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4 Carat Colombian Emerald & Diamond Solitaire PT 900 RIng
4 Carat Colombian Emerald & Diamond Solitaire PT 900 RIng

4 Carat Colombian Emerald & Diamond Solitaire PT 900 RIng

By Malpani Jewels

Located in Hung Hom, HK

In this simple yet stunning ring, a 4 carat emerald is set with 0.71 carats of white round brilliant diamond in this PT 900 ring.

Category

2010s Japanese Art Nouveau Solitaire Rings

Materials

Diamond, Emerald, Platinum

CGL Certified 0.40 Carat Russian Demantoid Garnet Round Rare Diamond PT 900 Ring
CGL Certified 0.40 Carat Russian Demantoid Garnet Round Rare Diamond PT 900 Ring

CGL Certified 0.40 Carat Russian Demantoid Garnet Round Rare Diamond PT 900 Ring

By Malpani Jewels

Located in Hung Hom, HK

One of the rarest garnet varieties, Demantoid can have a green color that rivals emerald and a fire that exceeds diamond. Demantoids are highly prized by both gem collectors and jewe...

Category

2010s Japanese Contemporary Signet Rings

Materials

Diamond, White Diamond, Garnet, Platinum

Certified 1 Carat Burma Reddish Purple Ruby Solitaire PT900 Ring
Certified 1 Carat Burma Reddish Purple Ruby Solitaire PT900 Ring

Certified 1 Carat Burma Reddish Purple Ruby Solitaire PT900 Ring

By Malpani Jewels

Located in Hung Hom, HK

A JGGL Certified Burmese Ruby weighing around 1 carat is set along with 0.26 carat of white brilliant round diamond. The ring is made in PT 900 and has been manufactured in Japan.

Category

2010s Japanese Contemporary Fashion Rings

Materials

Diamond, White Diamond, Ruby, Platinum

GIA Certified 5 Carat Burma No Heat Sapphire And Diamond PT900 Ring
GIA Certified 5 Carat Burma No Heat Sapphire And Diamond PT900 Ring

GIA Certified 5 Carat Burma No Heat Sapphire And Diamond PT900 Ring

By Malpani Jewels

Located in Hung Hom, HK

A stunning 5 carat GIA Certified Burma No heat blue sapphire is set with 1.05 carats of white round brilliant diamond. Burmese sapphires are among the most coveted colored gemstones ...

Category

2010s Japanese Art Nouveau Solitaire Rings

Materials

Diamond, Sapphire, Platinum

Opal and Diamond Platinum Halo Ring
Opal and Diamond Platinum Halo Ring

Opal and Diamond Platinum Halo Ring

Located in New York, NY

Opal and Diamond Halo Ring 90% Platinum (stamped "PT 900") Ring size 10 Measurements: 29.68 x 21.91 x 23.70 - 2.44 mm Weight 12.5 grams Bright polish finish.

Category

20th Century Engagement Rings

Materials

Diamond, Opal, Platinum

5.32 Ct Natural star sapphire ring PT900 gold jewelry 12.64 gram
5.32 Ct Natural star sapphire ring PT900 gold jewelry 12.64 gram

5.32 Ct Natural star sapphire ring PT900 gold jewelry 12.64 gram

Located in bangkok, TH

AE13 5.32ct Natural star sapphire ring PT900 gold jewelry 12.64gram site stone diamond 1-Main stone : 5.32ct Natural star sapphire Gemstone 2-Surrounding stone: Natural diamon...

Category

2010s Mozambican Solitaire Rings

Materials

Star Sapphire

GIA Certified 10.03 Carat Emerald Cut Diamond Platinum Ring
GIA Certified 10.03 Carat Emerald Cut Diamond Platinum Ring

GIA Certified 10.03 Carat Emerald Cut Diamond Platinum Ring

By Gad & Co.

Located in Miami, FL

Center Stone: Carat: 10.03 Carat Color: J Clarity: VS1 Cut: Emerald Certificate: GIA Measurement: 15.62 x 10.14 x 4.80 MM Certificate Number: #2155926250 Ring Details: Ring Type: ...

Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, White Diamond, Platinum

2.32CT Colombian Emerald Diamond Ring PT900 Platinum Baguette Halo Sz 6 Estate
2.32CT Colombian Emerald Diamond Ring PT900 Platinum Baguette Halo Sz 6 Estate

2.32CT Colombian Emerald Diamond Ring PT900 Platinum Baguette Halo Sz 6 Estate

Located in Addison, TX

Details Metal: Platinum Purity: PT900 Ring Size: 6 Weight: 8.6 Grams Center Stone: Natural Colombian Emerald Center Stone Shape: Emerald Cut (Square) Center Stone Weight: 2.32 Carats...

Category

20th Century Cocktail Rings

Materials

Diamond, Emerald, Platinum

1.72 Carat Orange Sapphire Cocktail Ring in PT 900
1.72 Carat Orange Sapphire Cocktail Ring in PT 900

1.72 Carat Orange Sapphire Cocktail Ring in PT 900

Located in Bangkok, TH

Crafted in 6.045 grams of PT900 platinum, the ring offers both durability and refined elegance.

Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Pt 900 Natural Green Tourmaline and Natural Diamond Ring
Pt 900 Natural Green Tourmaline and Natural Diamond Ring

Pt 900 Natural Green Tourmaline and Natural Diamond Ring

Located in New York, NY

Green Tourmaline and Diamond Ring Metal Type: Platinum Total Item Weight: 6.75 Grams Ring Size: 8.5 (Resizable) Dimensions: Length: 21.0 mm X Width: 11.5 mm X Height: 4.0 mm 1: Prim...

Category

20th Century Contemporary Engagement Rings

Materials

Diamond, Tourmaline, Platinum

7.68 Ct Blue Green Cat's Eye Tourmaline Cocktail Ring with Diamonds in Platinum
7.68 Ct Blue Green Cat's Eye Tourmaline Cocktail Ring with Diamonds in Platinum

7.68 Ct Blue Green Cat's Eye Tourmaline Cocktail Ring with Diamonds in Platinum

Located in New York, NY

Hand-fabricated in platinum and ready to be worn. weight of platinum 9.6 Gm Diamonds 0 .38ct Color G Color of the stone Dark Blue Purity stamped Pt 900 ring size 6 but can be resiz...

Category

Vintage 1970s Cocktail Rings

Materials

Diamond, Tourmaline, Platinum

Vintage Platinum 0.651ct Colombian Emerald + 0.61ct Round Baguette Diamond Ring
Vintage Platinum 0.651ct Colombian Emerald + 0.61ct Round Baguette Diamond Ring

Vintage Platinum 0.651ct Colombian Emerald + 0.61ct Round Baguette Diamond Ring

Located in Addison, TX

Details Center Stone: Natural Colombian Emerald Emerald Weight: 0.651 Carat Emerald Cut: Square Emerald Cut Accent Stones: Natural Diamonds Total Diamond Weight: 0.61 Carat Total...

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Emerald, Platinum

Natural Colombian Emerald Diamond Ring Platinum Cathedral Estate Ring Sz 6.5
Natural Colombian Emerald Diamond Ring Platinum Cathedral Estate Ring Sz 6.5

Natural Colombian Emerald Diamond Ring Platinum Cathedral Estate Ring Sz 6.5

Located in Addison, TX

Details Metal: Platinum Purity: PT900 Ring Size: 6.5 Weight: 5.7 Grams Center Stone: Natural Colombian Emerald Center Stone Shape: Emerald Cut Center Stone Weight: Approximately 0.18...

Category

20th Century Cocktail Rings

Materials

Diamond, Emerald, Platinum

Natural Square Colombian Emerald Round/Baguette Diamond Platinum Ring Sz 6
Natural Square Colombian Emerald Round/Baguette Diamond Platinum Ring Sz 6

Natural Square Colombian Emerald Round/Baguette Diamond Platinum Ring Sz 6

Located in Addison, TX

Details Metal: Platinum Purity: PT900 Ring Size: 6 Weight: 8.2 Grams Center Stone: Natural Colombian Emerald Center Stone Weight: 0.98 Carat Center Stone Shape: Square Emerald Cut Ce...

Category

20th Century Cocktail Rings

Materials

Diamond, Emerald, Platinum

Estate Platinum 0.58CT Colombian Emerald Three Stone Diamond Accent Ring Size 7
Estate Platinum 0.58CT Colombian Emerald Three Stone Diamond Accent Ring Size 7

Estate Platinum 0.58CT Colombian Emerald Three Stone Diamond Accent Ring Size 7

Located in Addison, TX

Details Center Stone: Natural Colombian Emerald Emerald Weight: 0.58 Carat Emerald Cut: Square Emerald Cut Accent Stones: Natural Diamonds Total Diamond Weight: 0.17 Carat Total ...

Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Emerald, Platinum

Japan Germany Lab Certified Emerald & Diamond Platinum PT 900 'Big Spread' Ring
Japan Germany Lab Certified Emerald & Diamond Platinum PT 900 'Big Spread' Ring

Japan Germany Lab Certified Emerald & Diamond Platinum PT 900 'Big Spread' Ring

By Malpani Jewels

Located in Hung Hom, HK

Certified by the Japan and Germany Gemological Laboratory, 0.65 carats of Colombian Emeralds are set with 1.67 carat of white brilliant round diamond, The details of the diamond are ...

Category

2010s Japanese Contemporary Dome Rings

Materials

Diamond, White Diamond, Emerald, Platinum

Vintage Platinum Colombian Emerald Diamond Halo Ring Size 6
Vintage Platinum Colombian Emerald Diamond Halo Ring Size 6

Vintage Platinum Colombian Emerald Diamond Halo Ring Size 6

Located in Addison, TX

Details Metal: Platinum Purity: PT900 Ring Size: 6 Weight: 5.1 Grams Center Stone: Natural Colombian Emerald Center Stone Shape: Emerald Cut Center Stone Weight: 0.58 Carat Accent St...

Category

20th Century Cocktail Rings

Materials

Diamond, Emerald, Platinum

Vintage Platinum 0.73CT Colombian Emerald + 0.75CT Diamond Ring Sz 6.25
Vintage Platinum 0.73CT Colombian Emerald + 0.75CT Diamond Ring Sz 6.25

Vintage Platinum 0.73CT Colombian Emerald + 0.75CT Diamond Ring Sz 6.25

Located in Addison, TX

Details Metal: Platinum Purity: PT900 Ring Size: 6.25 Total Weight: 8.9 Grams Center Stone: Natural Colombian Emerald Center Stone Shape: Emerald Cut Center Stone Weight: 0.73 Carat ...

Category

20th Century Art Deco Cocktail Rings

Materials

Diamond, Emerald, Platinum

CGL Certified 0.19 Carat Natural Fancy Pink Diamond PT 900 Solitaire Ring
CGL Certified 0.19 Carat Natural Fancy Pink Diamond PT 900 Solitaire Ring

CGL Certified 0.19 Carat Natural Fancy Pink Diamond PT 900 Solitaire Ring

By Malpani Jewels

Located in Hung Hom, HK

A CGL Certified 0.19 carat Fancy Pink Diamond is set along with 0.82 carat of white brilliant round and radiant cut diamond. Pink diamonds are some of the most alluring fancy diamond...

Category

2010s Japanese Art Nouveau Wedding Rings

Materials

Diamond, White Diamond, Pink Diamond, Platinum

Certified Pink Sapphire Hot Pink Barbie Color & Diamond PT 900 Designer Ring
Certified Pink Sapphire Hot Pink Barbie Color & Diamond PT 900 Designer Ring

Certified Pink Sapphire Hot Pink Barbie Color & Diamond PT 900 Designer Ring

By Malpani Jewels

Located in Hung Hom, HK

This precious gemstone belongs to the corundum mineral family. It is sought-after for its beautiful hue, which can range from pale pink to vivid magenta. Currently, stones that displ...

Category

2010s Hong Kong Art Nouveau Cocktail Rings

Materials

Diamond, Pink Sapphire, Platinum

1.82 Carat Colombian Emerald & 0.83 Carat White Diamond PT 900 Simple Ring
1.82 Carat Colombian Emerald & 0.83 Carat White Diamond PT 900 Simple Ring

1.82 Carat Colombian Emerald & 0.83 Carat White Diamond PT 900 Simple Ring

By Malpani Jewels

Located in Hung Hom, HK

Colombian emeralds tend to have more trace amounts of chromium (called an inclusion) in relation to other emeralds, which typically gives them the pure, bright, saturated green so be...

Category

2010s Japanese Art Nouveau Wedding Rings

Materials

White Diamond, Emerald, Platinum

Platinum 0.58CT Colombian Emerald + Accent Diamond Ring Sz 6.75 Estate
Platinum 0.58CT Colombian Emerald + Accent Diamond Ring Sz 6.75 Estate

Platinum 0.58CT Colombian Emerald + Accent Diamond Ring Sz 6.75 Estate

Located in Addison, TX

Details Metal: Platinum Purity: PT900 Ring Size: 6.75 Weight: 3.2 Grams Center Stone: Natural Colombian Emerald Center Stone Shape: Emerald Cut Center Stone Weight: 0.58 Carat Accent...

Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Emerald, Platinum

GIA Certified 6 Carat Thai Ruby Mirror Clean Rare Investment Ring PT 900
GIA Certified 6 Carat Thai Ruby Mirror Clean Rare Investment Ring PT 900

GIA Certified 6 Carat Thai Ruby Mirror Clean Rare Investment Ring PT 900

By Malpani Jewels

Located in Hung Hom, HK

First referenced in 1408, Thai Ruby once fulfilled 95 percent of the world's demand for this extremely rare and highly coveted gemstone. Ostensibly depleted since 2009, Thai Ruby is ...

Category

2010s Hong Kong Contemporary Solitaire Rings

Materials

Diamond, White Diamond, Ruby, Platinum

No Heat 2.80 Carat Sapphire Certified and 1 Carat Diamond PT 900 Stunning Ring
No Heat 2.80 Carat Sapphire Certified and 1 Carat Diamond PT 900 Stunning Ring

No Heat 2.80 Carat Sapphire Certified and 1 Carat Diamond PT 900 Stunning Ring

By Malpani Jewels

Located in Hung Hom, HK

A Certified No Heat 2.80 carat blue sapphire is set along side 1.01 carat of white brilliant round diamond in this Platinum PT 900 engagement ring. Sapphires that have not undergone ...

Category

2010s Japanese Art Nouveau Engagement Rings

Materials

Diamond, Sapphire, Platinum

Platinum PT900 Diamond Ring
Platinum PT900 Diamond Ring

Platinum PT900 Diamond Ring

$920Sale Price|26% Off

Platinum PT900 Diamond Ring

Located in Hong Kong, HK

A beautiful and elegant diamond ring made in Platinum PT900 . its made with Highest level of craftsmanship and high quality finish .

Category

2010s Hong Kong Bridal Rings

Materials

Diamond, Platinum

9 Ct Cushion Colombian Emerald & Diamond 2.5 Ct Ring Platinum Ring, Estate
9 Ct Cushion Colombian Emerald & Diamond 2.5 Ct Ring Platinum Ring, Estate

9 Ct Cushion Colombian Emerald & Diamond 2.5 Ct Ring Platinum Ring, Estate

Located in New York, NY

Platinum 20 gm Diamonds: 2.48 Carat , Brilliant cut Round Stamped PT 900 Ring Size 6 Emerald: 9 Carat Origin : Colombia Color: Deep Green, Transparent extreme Fine Color Quali...

Category

Vintage 1980s Cocktail Rings

Materials

Diamond, Emerald, 18k Gold, Platinum

1.30 Carat Ruby Ring made in PT900
1.30 Carat Ruby Ring made in PT900

1.30 Carat Ruby Ring made in PT900

Located in Bangkok, TH

Graceful, radiant, and expertly crafted—this 1.30 Carat Ruby Ring is a timeless symbol of elegance and sophistication.

Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

Diamond, Ruby

Platinum Cocktail Ring with Natural Diamonds by HYT Jewelry, 2023
Platinum Cocktail Ring with Natural Diamonds by HYT Jewelry, 2023

Platinum Cocktail Ring with Natural Diamonds by HYT Jewelry, 2023

By HYT Jewelry

Located in Hong Kong, HK

Hand crafted by our expert; this ring has been completed to the highest standard. - Pear Shape White Diamond 0.405 carat (color E- F, clarity VS) - Pear Shape White Diamond 0.34 cara...

Category

2010s Hong Kong Contemporary Cocktail Rings

Materials

White Diamond, Platinum

4.7 Carat Emerald Cocktail Ring in PT900
4.7 Carat Emerald Cocktail Ring in PT900

4.7 Carat Emerald Cocktail Ring in PT900

Located in Bangkok, TH

Bold, radiant, and exquisitely designed—this 4.70 Carat Emerald Cocktail Ring is a masterpiece of refined luxury and timeless allure.

Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

Diamond, Emerald

3.52 Carat Emerald Cocktail Ring in PT900
3.52 Carat Emerald Cocktail Ring in PT900

3.52 Carat Emerald Cocktail Ring in PT900

Located in Bangkok, TH

Striking, refined, and timelessly elegant—this 3.52 Carat Emerald Cocktail Ring embodies sophistication and exquisite craftsmanship.

Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

Diamond, Emerald

Platinum PT900 Blue Sapphire Ring with Diamonds
Platinum PT900 Blue Sapphire Ring with Diamonds

Platinum PT900 Blue Sapphire Ring with Diamonds

Located in Hong Kong, HK

A beautiful and elegant diamond and blue sapphire ring set in Platinum PT900 . Excellent for everyday use , Sapphire weight is .31 carats and diamond weight is .78 carats.

Category

2010s Hong Kong Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

2.12 Carat Cocktail Emerald Ring made in PT900
2.12 Carat Cocktail Emerald Ring made in PT900

2.12 Carat Cocktail Emerald Ring made in PT900

Located in Bangkok, TH

Striking, elegant, and expertly crafted—this 2.12 Carat Emerald Cocktail Ring is a timeless expression of refined luxury.

Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

Diamond, Emerald

2.48 Carat Cocktail Emerald Ring made in PT900
2.48 Carat Cocktail Emerald Ring made in PT900

2.48 Carat Cocktail Emerald Ring made in PT900

Located in Bangkok, TH

Elegant, vibrant, and beautifully crafted—this 2.480 Carat Emerald Cocktail Ring is a refined statement of timeless sophistication.

Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

Diamond, Emerald

0.93 Carat Cocktail Emerald Ring made in PT900
0.93 Carat Cocktail Emerald Ring made in PT900

0.93 Carat Cocktail Emerald Ring made in PT900

Located in Bangkok, TH

Delicate, refined, and beautifully crafted—this 0.93 Carat Emerald Cocktail Ring is a graceful expression of timeless elegance.

Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

Diamond, Emerald

1.43 Carat Cocktail Ruby Ring made in PT900
1.43 Carat Cocktail Ruby Ring made in PT900

1.43 Carat Cocktail Ruby Ring made in PT900

Located in Bangkok, TH

Elegant, radiant, and beautifully crafted—this 1.43 Carat Ruby Cocktail Ring is a timeless expression of sophistication and allure.

Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

Diamond, Ruby

0.59 Carat Statement Sapphire Ring made in PT900
0.59 Carat Statement Sapphire Ring made in PT900

0.59 Carat Statement Sapphire Ring made in PT900

Located in Bangkok, TH

Refined, radiant, and beautifully crafted—this 0.59 Carat Statement Sapphire Ring is a graceful expression of timeless sophistication.

Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

Diamond, Sapphire

1.78 Carat Statement Sapphire Ring made in PT900
1.78 Carat Statement Sapphire Ring made in PT900

1.78 Carat Statement Sapphire Ring made in PT900

Located in Bangkok, TH

Sophisticated, striking, and beautifully crafted—this 1.78 Carat Statement Sapphire Ring embodies timeless elegance and modern refinement.

Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

Diamond, Sapphire

3.16 Carat Cocktail Sapphire Ring made in PT900
3.16 Carat Cocktail Sapphire Ring made in PT900

3.16 Carat Cocktail Sapphire Ring made in PT900

Located in Bangkok, TH

Elegant, captivating, and exquisitely crafted—this 3.16 Carat Cocktail Sapphire Ring is a timeless statement of sophistication and allure.

Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

Diamond, Sapphire

Heart-Shaped Diamond Engagement Ring Set in PT900
Heart-Shaped Diamond Engagement Ring Set in PT900

Heart-Shaped Diamond Engagement Ring Set in PT900

Located in Hong Kong, HK

Crafted in PT900 at 2.20 grams, this ring showcases diamonds with exceptional color grade and clarity, radiating brilliance and quality.

Category

2010s Hong Kong Contemporary Engagement Rings

Materials

Diamond, 18k Gold

Platinum Butterfly ring. Pt900 Fun Diamond Dainty cluster band.
Platinum Butterfly ring. Pt900 Fun Diamond Dainty cluster band.

Platinum Butterfly ring. Pt900 Fun Diamond Dainty cluster band.

Located in Port Charlotte, FL

Canary Yellow Diamond Dangle on a Flower Diamond ring. Platinum PT900 Platinum shank. Condition: Shows no signs of wear Size 3 2.4Grams total weight 0.30ctw Diamonds

Category

20th Century Modern Band Rings

Materials

Diamond, Platinum

3.464 Carat Mozambique Ruby Ring with made in PT900
3.464 Carat Mozambique Ruby Ring with made in PT900

3.464 Carat Mozambique Ruby Ring with made in PT900

Located in Bangkok, TH

Rich, captivating, and exquisitely crafted—this 3.464 Carat Mozambique Ruby Ring is a striking expression of timeless luxury.

Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

Diamond, Ruby

7.79 Carat Emerald Ring with Diamond made in PT900
7.79 Carat Emerald Ring with Diamond made in PT900

7.79 Carat Emerald Ring with Diamond made in PT900

Located in Bangkok, TH

Magnificent, bold, and exquisitely crafted—this 7.79 Carat Emerald Ring is a true statement of luxury and timeless sophistication.

Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

Diamond, Emerald

1.98 Carat Thai Ruby Ring with made in PT900
1.98 Carat Thai Ruby Ring with made in PT900

1.98 Carat Thai Ruby Ring with made in PT900

Located in Bangkok, TH

Vibrant, elegant, and expertly crafted—this 1.98 Carat Thai Ruby Ring is a timeless expression of sophistication and allure.

Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

Diamond, Ruby

2.44 Carat Pink Sapphire Gemstone Ring made in PT900
2.44 Carat Pink Sapphire Gemstone Ring made in PT900

2.44 Carat Pink Sapphire Gemstone Ring made in PT900

Located in Bangkok, TH

Delicate yet striking, this 2.44 Carat Pink Sapphire Gemstone Ring is a graceful celebration of color and refined craftsmanship.

Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

Diamond, Pink Sapphire

5 Carat Statement Fire Opal Ring made in PT900
5 Carat Statement Fire Opal Ring made in PT900

5 Carat Statement Fire Opal Ring made in PT900

Located in Bangkok, TH

Vivid, captivating, and beautifully crafted—this 5 Carat Fire Opal Ring is a striking expression of bold elegance. Set in 5.298 grams of premium PT900 platinum, the fire opal at its ...

Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

Diamond, Fire Opal

Italian Pt900 Platinum and 18k Gold Tourmaline And Diamond Ring
Italian Pt900 Platinum and 18k Gold Tourmaline And Diamond Ring

Italian Pt900 Platinum and 18k Gold Tourmaline And Diamond Ring

Located in Plantation, FL

A striking Italian atelier-crafted ring executed in a sculptural modernist design, made in Pt900 platinum and solid 18K yellow gold, and set with a vivid green tourmaline weighing ap...

Category

Late 20th Century Italian Contemporary Cocktail Rings

Materials

Diamond, Tourmaline, 18k Gold, Platinum

1.17ct Sapphire Engagement Ring with Diamond Halo Platinum PT900 V1177
1.17ct Sapphire Engagement Ring with Diamond Halo Platinum PT900 V1177

1.17ct Sapphire Engagement Ring with Diamond Halo Platinum PT900 V1177

Located in Osprey, FL

♥ 1.17ct Sapphire Engagement Ring with Diamond Halo Platinum PT900 Modern Designer Right Hand Ring Fine Jewelry September Birthday Gift V1177 ♥ This is a gorgeous ring set with a be...

Category

2010s American Engagement Rings

Materials

Diamond, Sapphire, Platinum

Emerald Ring. Genuine Emerald and Diamond Platinum Ring. PT900 Plat Marquise
Emerald Ring. Genuine Emerald and Diamond Platinum Ring. PT900 Plat Marquise

Emerald Ring. Genuine Emerald and Diamond Platinum Ring. PT900 Plat Marquise

Located in Port Charlotte, FL

Vintage from the 1990s Size: 7 1/2 US Materials: Gold, Platinum Gemstone: Emerald Gem color: Green Band color: Silver Stunning Emerald Marquise and Diamond Ring. Natural Emerald. ...

Category

Early 2000s Fashion Rings

Materials

Platinum

Black Opal Diamond Ring. PT900 Platinum Opal Diamond Halo Ballerina Ring Band.
Black Opal Diamond Ring. PT900 Platinum Opal Diamond Halo Ballerina Ring Band.

Black Opal Diamond Ring. PT900 Platinum Opal Diamond Halo Ballerina Ring Band.

Located in Port Charlotte, FL

Stunning Australian Black Opal Oval Cabochon Halo design ring with Diamond accents. Ballerina Design. Stunning for any occasion - Perfect Engagement or Promise ring.

Category

21st Century and Contemporary Modern Signet Rings

Materials

Diamond, Opal, Platinum

Stunning Platinum Ring 2.186ct Sapphire with 1.36ct Baguette Diamond Halo PT900
Stunning Platinum Ring 2.186ct Sapphire with 1.36ct Baguette Diamond Halo PT900

Stunning Platinum Ring 2.186ct Sapphire with 1.36ct Baguette Diamond Halo PT900

Located in Osprey, FL

The band behind the finger is about 2mm wide. ♥ The center sapphire comes with a certificate. ♥ Ring size: US size 6.25 (Resizable for a fee, contact us for details) ♥ Material: Pla...

Category

2010s American Engagement Rings

Materials

Diamond, Sapphire, Platinum

Stunning Marquise Sapphire with Baguette Diamond Engagement Ring PT900 Heavy 12g
Stunning Marquise Sapphire with Baguette Diamond Engagement Ring PT900 Heavy 12g

Stunning Marquise Sapphire with Baguette Diamond Engagement Ring PT900 Heavy 12g

Located in Osprey, FL

♥ Stunning Marquise Sapphire with Baguette Diamond Engagement Ring PT900 Heavy 12g v1164 ♥ This item measures 11.4mm in length (North South direction), 21mm in width (East West direc...

Category

2010s American Engagement Rings

Materials

Diamond, Sapphire, Platinum

Dior ring. Christian Dior Diamond Platinum 18k Pt900 Three Bell band.
Dior ring. Christian Dior Diamond Platinum 18k Pt900 Three Bell band.

Dior ring. Christian Dior Diamond Platinum 18k Pt900 Three Bell band.

By Christian Dior

Located in Port Charlotte, FL

Authentic Christian Dior Ring. PT900 Platinum and 18k Yellow Gold Band.

Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, 18k Gold, Platinum

GIA Brazilian Paraíba Tourmaline Pt900 Diamond Halo Ring, 1.64ct, No Treatment
GIA Brazilian Paraíba Tourmaline Pt900 Diamond Halo Ring, 1.64ct, No Treatment

GIA Brazilian Paraíba Tourmaline Pt900 Diamond Halo Ring, 1.64ct, No Treatment

Located in Plantation, FL

A rare and intensely saturated Brazilian Paraíba tourmaline takes center stage in this exceptional halo ring. The round brilliant-cut center stone, client-stated at 1.64 carats, disp...

Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Diamond, Tourmaline, Paraiba, Platinum

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Recent Sales

Guild Certified 3.35 CT Vivid Green Minor Oil Emerald PT 900 Ring with Diamonds
Guild Certified 3.35 CT Vivid Green Minor Oil Emerald PT 900 Ring with Diamonds

Guild Certified 3.35 CT Vivid Green Minor Oil Emerald PT 900 Ring with Diamonds

Located in Kowloon, HK

Guild Certified 3.35 CT Vivid Green Minor Oil Emerald PT 900 Ring with Diamonds 1 Emerald - 3.35 CT Cut - Step Shape - Octagonal Color - Vivid Green Guild Certification Diamonds -...

Category

21st Century and Contemporary Hong Kong Modern Cocktail Rings

Materials

Diamond, Emerald, Platinum

Pink Star Sapphire & Diamond Ring
Pink Star Sapphire & Diamond Ring

Pink Star Sapphire & Diamond Ring

Located in Malmö, SE

Surrounded by magnificent oval and round brilliant-cut diamonds totaling 1.40 ct, adding an extra sparkling effect. Set in a PT900 ring, it combines sleek elegance with a bold charac...

Category

21st Century and Contemporary Swedish Modern Cluster Rings

Materials

Diamond, Star Sapphire, Platinum

Australian White South Sea Pearl and Diamond Ring in Pt 900 Platinum
Australian White South Sea Pearl and Diamond Ring in Pt 900 Platinum

Australian White South Sea Pearl and Diamond Ring in Pt 900 Platinum

Located in Melbourne, AU

A 13.3 mm White Australian South Sea Pearl and Diamond Ring in Pt 900 Platinum. The White Australian South Sea pearl is secured by 4 long claws that are rising from the surface of th...

Category

2010s Oceanic Contemporary Cluster Rings

Materials

Diamond, South Sea Pearl, Platinum

Matsuzaki PT900/K18 Princess Cut Emerald Diamond Ring
Matsuzaki PT900/K18 Princess Cut Emerald Diamond Ring

Matsuzaki PT900/K18 Princess Cut Emerald Diamond Ring

By Tsutomu Matsuzaki

Located in Tokyo, JP

All buyers outside of Japan will receive -10% tax exemption from the list price. Please inquire for details. Emerald : 0.75ct / Diamonds : 0.17ct Approximate Size of the center ston...

Category

21st Century and Contemporary Japanese Artist Cocktail Rings

Materials

Diamond, Emerald, 18k Gold, Platinum

2.79 Carat Emerald and Diamond Ring on PT900 Platinum
2.79 Carat Emerald and Diamond Ring on PT900 Platinum

2.79 Carat Emerald and Diamond Ring on PT900 Platinum

Located in Wan Chai District, HK

This is a classy Emerald and Diamond Ring weighing 2.79 carats in total. Our craftsman has set the gorgeous Emerald as the centre stone weighing 1.13 carats surrounded by various sh...

Category

2010s Unknown Fashion Rings

Materials

Diamond, Emerald, Platinum

Matsuzaki PT900 Cabochon Pink Spinel Pink Sapphire Diamond Ring
Matsuzaki PT900 Cabochon Pink Spinel Pink Sapphire Diamond Ring

Matsuzaki PT900 Cabochon Pink Spinel Pink Sapphire Diamond Ring

By Noriko Matsuzaki

Located in Tokyo, JP

All buyers outside of Japan will receive -10% tax exemption from the list price. Please inquire for details. Spinel : 2.43ct / Sapphires : 0.26ct / Diamonds : 0.51ct Approximate Siz...

Category

21st Century and Contemporary Japanese Artist Fashion Rings

Materials

Diamond, Sapphire, Spinel, Pink Sapphire, Platinum

Colombia 2.14 CT Vivid Green Emerald PT900 Cocktail Ring with Diamonds
Colombia 2.14 CT Vivid Green Emerald PT900 Cocktail Ring with Diamonds

Colombia 2.14 CT Vivid Green Emerald PT900 Cocktail Ring with Diamonds

Located in Kowloon, HK

Colombia 2.14 CT Vivid Green Emerald Cocktail Ring with Diamonds 1 Emerald - 2.14 CT Origin: Colombia Minor Oil Shape: Octagonal Vivid Green Diamonds - 0.84 CT PT900 - 5.06 GM

Category

21st Century and Contemporary Hong Kong Modern Cocktail Rings

Materials

Diamond, Emerald

Matsuzaki K18/PT900 Trilliant Cut Diamond Bagette Cut Pink Sapphire Ring
Matsuzaki K18/PT900 Trilliant Cut Diamond Bagette Cut Pink Sapphire Ring

Matsuzaki K18/PT900 Trilliant Cut Diamond Bagette Cut Pink Sapphire Ring

By Noriko Matsuzaki

Located in Tokyo, JP

All buyers outside of Japan will receive -10% tax exemption from the list price. Please inquire for details. Pink Sapphires : 0.81ct / Diamonds : 1.21ct Size: #13 US6.5~7 EU53 Uniqu...

Category

21st Century and Contemporary Japanese Artist Cocktail Rings

Materials

Diamond, Pink Sapphire, 18k Gold, Platinum

Radiant Aurora Black Opal Ring
Radiant Aurora Black Opal Ring

Radiant Aurora Black Opal Ring

Located in Duluth, US

Encircled by 3.05 carats of dazzling diamonds, meticulously set in platinum (pt900), this ring is a testament to exceptional craftsmanship and timeless design.

Category

2010s Modern Cluster Rings

Materials

Diamond, Black Opal, Platinum

Estate Platinum Diamond Statement Ring
Estate Platinum Diamond Statement Ring

Estate Platinum Diamond Statement Ring

Located in Narberth, PA

The remainder of the thick band is smooth and simple, and the inside of the shank is marked with a "PT900" purity mark. The ring was appraised in March of 2025 by a GIA-certified app...

Category

21st Century and Contemporary Modern Fashion Rings

Materials

Diamond, Platinum

Estate Platinum GIA Ruby and Diamond Ring
Estate Platinum GIA Ruby and Diamond Ring

Estate Platinum GIA Ruby and Diamond Ring

Located in Narberth, PA

The baguettes vary in size, and give the ring a fabulous "step" design. The remainder of the band is smooth and simple, and the inside of the shank is stamped "1.02", "PT 900", and "...

Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, Ruby, Platinum

Cat's Eye Chrysoberyl and Diamond Ring in Platinum 900
Cat's Eye Chrysoberyl and Diamond Ring in Platinum 900

Cat's Eye Chrysoberyl and Diamond Ring in Platinum 900

Located in Melbourne, AU

This is a perfect ring for vintage style jewellery lovers. A 4.2 ct Cat's Eye Chrysoberyl and Diamond Cocktail Ring in Pt 900 Platinum It consists of a 4.2 ct Brownish Yellow Oval S...

Category

Late 20th Century Australian Art Deco Cocktail Rings

Materials

Chrysoberyl, Diamond, Platinum

Midcentury Platinum 1950s 15 Carat Aquamarine VS Diamond Cocktail Ring
Midcentury Platinum 1950s 15 Carat Aquamarine VS Diamond Cocktail Ring

Midcentury Platinum 1950s 15 Carat Aquamarine VS Diamond Cocktail Ring

Located in Shaker Heights, OH

The size of the ring measures 8.5. The ring is stamped PT900 (platinum) 13.94 D1.30.

Category

Vintage 1950s American Retro Cocktail Rings

Materials

Aquamarine, White Diamond, Platinum

Paris Craft House 2.13 Carat Blue Sapphire Diamond Cocktail Ring in Platinum
Paris Craft House 2.13 Carat Blue Sapphire Diamond Cocktail Ring in Platinum

Paris Craft House 2.13 Carat Blue Sapphire Diamond Cocktail Ring in Platinum

By Paris Precious Craft House

Located in Hong Kong, HK

PARIS Craft House 2.13ct Blue Sapphire Diamond Cocktail Ring in Platinum. - 1 Oval-cut Blue Sapphire/2.13ct - 14 Mixed-cut Diamonds/0.31ct - PT900 Platinum/5.70g - Ring size/US 5 D...

Category

21st Century and Contemporary Hong Kong Modern Cocktail Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Gold, Platinum

Paris Craft House 4.18 Carat GRS Mozambique Ruby Diamond Ring in Platinum
Paris Craft House 4.18 Carat GRS Mozambique Ruby Diamond Ring in Platinum

Paris Craft House 4.18 Carat GRS Mozambique Ruby Diamond Ring in Platinum

By Paris Precious Craft House

Located in Hong Kong, HK

PARIS Craft House 4.18ct GRS Certified Mozambique Ruby Diamond Ring in Platinum. - 1 GRS Certified Oval-cut Mozambique Ruby/4.18ct - Round Diamonds/3.45ct - PT900 Platinum - Ring si...

Category

21st Century and Contemporary Hong Kong Victorian Cocktail Rings

Materials

Diamond, Ruby, White Diamond, Gold, White Gold, Yellow Gold, Platinum

Paris Craft House 4.97 Carat GIA Burma Ruby Diamond Ring in Platinum
Paris Craft House 4.97 Carat GIA Burma Ruby Diamond Ring in Platinum

Paris Craft House 4.97 Carat GIA Burma Ruby Diamond Ring in Platinum

By Paris Precious Craft House

Located in Hong Kong, HK

PARIS Craft House 4.97ct GIA Certified Burma Ruby Diamond Ring in Platinum. - 1 GIA Certified Oval-cut Burma Ruby/4.97ct - Mixed-cut Diamonds/2.33ct - PT900 Platinum/10.77g - Ring s...

Category

21st Century and Contemporary Hong Kong Modern Cocktail Rings

Materials

Diamond, Ruby, White Diamond, Gold, Platinum

Paris Craft House 8.07 Carat GRS Unheated Cabochon Star Sapphire Diamond Ring
Paris Craft House 8.07 Carat GRS Unheated Cabochon Star Sapphire Diamond Ring

Paris Craft House 8.07 Carat GRS Unheated Cabochon Star Sapphire Diamond Ring

By Paris Precious Craft House

Located in Hong Kong, HK

PARIS Craft House 8.07ct GRS Certified Unheated Cabochon Star Sapphire Diamond Ring in Platinum. - 1 GRS Certified Unheated Cabochon Star Sapphire/8.07ct - 2 Baguette Diamonds/0.41c...

Category

21st Century and Contemporary Hong Kong Modern Cocktail Rings

Materials

Diamond, Sapphire, Pink Sapphire, Star Sapphire, White Diamond, Gold, Pl...

Paris Craft House 6.43ct GRS Unheated Cabochon Purple Star Sapphire Diamond Ring
Paris Craft House 6.43ct GRS Unheated Cabochon Purple Star Sapphire Diamond Ring

Paris Craft House 6.43ct GRS Unheated Cabochon Purple Star Sapphire Diamond Ring

By Paris Precious Craft House

Located in Hong Kong, HK

PARIS Craft House 6.43ct GRS Certified Unheated Cabochon Purple Star Sapphire Diamond Ring in Platinum. - 1 GRS Certified Unheated Cabochon Purple Star Sapphire/6.43ct - Baguette Di...

Category

21st Century and Contemporary Hong Kong Modern Cocktail Rings

Materials

Diamond, Star Sapphire, Sapphire, White Diamond, Gold, Platinum

Estate Platinum Diamond Eternity Band
Estate Platinum Diamond Eternity Band

Estate Platinum Diamond Eternity Band

Located in Narberth, PA

The top and bottom edge of the band are smooth and simple, and the inside of the ring is marked "PT900" and with a serial number that reads: "D170".

Category

21st Century and Contemporary Modern Wedding Rings

Materials

Diamond, Platinum

Pair of 1930's  Ruby Eternity Bands.
Pair of 1930's  Ruby Eternity Bands.

Pair of 1930's Ruby Eternity Bands.

Located in New York, NY

Pair of Estate eternity band rings crafted from platinum and stamped PT - 900.

9.45 Carat Japanese Red Coral White Diamond Solitaire PT 900 Ring
9.45 Carat Japanese Red Coral White Diamond Solitaire PT 900 Ring

9.45 Carat Japanese Red Coral White Diamond Solitaire PT 900 Ring

By Malpani Jewels

Located in Hung Hom, HK

9.45 carat Japanese red coral is set along with 0.35 carat of white round diamond brilliant set in PT 900 ring. Japanese Coral is a type of red coral that always remains high in dema...

Category

2010s Japanese Contemporary Signet Rings

Materials

Coral, White Diamond, Platinum

Certified 13.95 Carat Australian Lightening Ridge Black Opal PT 900 Ring
Certified 13.95 Carat Australian Lightening Ridge Black Opal PT 900 Ring

Certified 13.95 Carat Australian Lightening Ridge Black Opal PT 900 Ring

By Malpani Jewels

Located in Hung Hom, HK

Much of the world's precious opal is mined in the harsh outback of Australia, where a unique combination of geological conditions permitted the formation of opal near the margins of ...

Category

2010s Hong Kong Art Nouveau Cocktail Rings

Materials

Diamond, Opal, Black Opal, Platinum

Vivid Blue Sapphire and White Diamond Solitaire Engagement PT 900 Ring
Vivid Blue Sapphire and White Diamond Solitaire Engagement PT 900 Ring

Vivid Blue Sapphire and White Diamond Solitaire Engagement PT 900 Ring

By Malpani Jewels

Located in Hung Hom, HK

A vivid blue sapphire weighing 0.89 carats are set with 0.26 carat of white shapes and round brilliant diamond. The ring is hand made in Japan and consist Platinum PT 900 The details...

Category

2010s Japanese Contemporary Wedding Rings

Materials

Diamond, White Diamond, Blue Sapphire, Platinum

Certified 16.80 Carat Japanese Coral White Diamond Solitaire PT 900 Ring
Certified 16.80 Carat Japanese Coral White Diamond Solitaire PT 900 Ring

Certified 16.80 Carat Japanese Coral White Diamond Solitaire PT 900 Ring

By Malpani Jewels

Located in Hung Hom, HK

A certified Japanese Coral weighing approximately 16.80 carat is set along with 0.21 carat of white brilliant round diamond. Japanese Coral is a type of red coral that always remains...

Category

2010s Japanese Contemporary Wedding Rings

Materials

Coral, White Diamond, Platinum

Certified 4.10 Carat Marquise Sweet Blue Sapphire & Diamond Subtle PT 900 Ring
Certified 4.10 Carat Marquise Sweet Blue Sapphire & Diamond Subtle PT 900 Ring

Certified 4.10 Carat Marquise Sweet Blue Sapphire & Diamond Subtle PT 900 Ring

By Malpani Jewels

Located in Hung Hom, HK

A CGL lab certified, 4.10 carat of marquise shaped blue sapphire is set along with 0.63 carats of white brilliant diamonds on the sides. Normally, it is tough to find a marquise sapp...

Category

2010s Hong Kong Contemporary Bridal Rings

Materials

Diamond, Blue Sapphire, Platinum

Certified Japan Lab 39.51 Carat Santa Maria Aquamarine 'Red Carpet' PT 900 Ring
Certified Japan Lab 39.51 Carat Santa Maria Aquamarine 'Red Carpet' PT 900 Ring

Certified Japan Lab 39.51 Carat Santa Maria Aquamarine 'Red Carpet' PT 900 Ring

By Malpani Jewels

Located in Hung Hom, HK

A Gigantic 39.51 carat of Santa Maria Aquamarine is set along with 0.89 carat of white brilliant diamond in this magnificent ring. The aquamarine is certified by the lab of Japan Ger...

Category

2010s Hong Kong Contemporary Cocktail Rings

Materials

Aquamarine, Diamond, White Diamond, Platinum

GRS Certified 12.01 Carat 'No Heat Santa Maria' Aquamarine Classical PT 900 Ring
GRS Certified 12.01 Carat 'No Heat Santa Maria' Aquamarine Classical PT 900 Ring

GRS Certified 12.01 Carat 'No Heat Santa Maria' Aquamarine Classical PT 900 Ring

By Malpani Jewels

Located in Hung Hom, HK

. Santa Maria aquamarine represents a particular shade of blue in a deeply saturated hue. This color was originally discovered at the Santa Maria de Itabira mine, in Minas Gerais, Br...

Category

2010s Hong Kong Art Nouveau Solitaire Rings

Materials

Aquamarine, Diamond, Platinum

Certified Twin Ring 1.8 Carat Vivid Red Ruby & Vivid Blue Sapphire PT 900 Ring
Certified Twin Ring 1.8 Carat Vivid Red Ruby & Vivid Blue Sapphire PT 900 Ring

Certified Twin Ring 1.8 Carat Vivid Red Ruby & Vivid Blue Sapphire PT 900 Ring

By Malpani Jewels

Located in Hung Hom, HK

Certified 1.10 carat sapphire and Certified 0.70 carat ruby are set along with 0.29 carat of white round brilliant diamond. The ring is made in PT 900

Category

2010s Japanese Art Deco Engagement Rings

Materials

Diamond, White Diamond, Ruby, Blue Sapphire, Platinum

GIA Certified 10 Carat Burma No Heat Blue Sapphire Classical Diamond PT 900 Ring
GIA Certified 10 Carat Burma No Heat Blue Sapphire Classical Diamond PT 900 Ring

GIA Certified 10 Carat Burma No Heat Blue Sapphire Classical Diamond PT 900 Ring

By Malpani Jewels

Located in Hung Hom, HK

Myanmar has several important locations that produce sapphires. The most famous is the Mogok Stone Tract which has a rich history of production dating back several hundred years. Cur...

Category

2010s Hong Kong Contemporary Solitaire Rings

Materials

Diamond, Blue Sapphire, Platinum

CGL Certified 0.54 Carat Russian Demantoid Garnet Diamond Platinum PT900 Ring
CGL Certified 0.54 Carat Russian Demantoid Garnet Diamond Platinum PT900 Ring

CGL Certified 0.54 Carat Russian Demantoid Garnet Diamond Platinum PT900 Ring

By Malpani Jewels

Located in Hung Hom, HK

The ring is made in Platinum PT 900. The details of the ring are mentioned below: Color: F Clarity: Vs Ring Size: US 6 Ring size can be changed as per request

Category

2010s Japanese Contemporary Bridal Rings

Materials

Diamond, White Diamond, Garnet, Platinum

CGL Certified 1.18 Carat Alexandrite Set in PT 900 'Platinum' Ring
CGL Certified 1.18 Carat Alexandrite Set in PT 900 'Platinum' Ring

CGL Certified 1.18 Carat Alexandrite Set in PT 900 'Platinum' Ring

By Malpani Jewels

Located in Hung Hom, HK

This 1.18 carat of beauty is set in this Platinum PT 900 ring with 1.44 carat of DE color Vvs clarity white brilliant diamonds.

Category

2010s Japanese Anglo-Indian Solitaire Rings

Materials

Alexandrite, Diamond, White Diamond, Platinum

8.028 Carat Brown Diamond Set in Platinum PT900
8.028 Carat Brown Diamond Set in Platinum PT900

8.028 Carat Brown Diamond Set in Platinum PT900

Located in Hong Kong, HK

A beautiful 8.028 ct diamond set in platinum PT900 . Ring dimensions in cm 1.1 x 1 x 2.4 (LXWXH).

Category

2010s Hong Kong Wedding Rings

Materials

Brown Diamond, Platinum

Estate Fire Opal and Diamond Ring in Platinum
Estate Fire Opal and Diamond Ring in Platinum

Estate Fire Opal and Diamond Ring in Platinum

Located in Los Angeles, CA

Estate 1.36ct Fire Opal & 0.05ctw Diamond Round PT900 Ring Approx.Wt. Size 6.25

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Opal, Platinum

Estate Imperial Topaz Oval and Diamond Ring in Platinum
Estate Imperial Topaz Oval and Diamond Ring in Platinum

Estate Imperial Topaz Oval and Diamond Ring in Platinum

Located in Los Angeles, CA

Estate 1.61ct Imperial Topaz Oval & 0.15ctw Diamond Round PT900 Ring Approx.Wt. Size 4.5

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Topaz, Platinum

Estate Blue Sapphire Pear Shape and Diamond Ring in Platinum
Estate Blue Sapphire Pear Shape and Diamond Ring in Platinum

Estate Blue Sapphire Pear Shape and Diamond Ring in Platinum

Located in Los Angeles, CA

Estate 1.01ct Blue Sapphire Pear Shape & 0.13ctw Diamond Round 2 Stones PT900 Ring Size 5.5

Category

21st Century and Contemporary Cocktail Rings

Platinum PT 900 Emerald Ring with Diamonds
Platinum PT 900 Emerald Ring with Diamonds

Platinum PT 900 Emerald Ring with Diamonds

Located in Hong Kong, HK

A beautifully designed elegant natural diamond and natural emerald ring in Platinum PT900 . The emerald weight is .48 carats and diamond weight is .47 carats !

Category

2010s Hong Kong Engagement Rings

Materials

Diamond, Emerald, Platinum

Garrard London 5 Carat Pigeon's Blood Burma Ruby Diamond Cluster Platinum Ring
Garrard London 5 Carat Pigeon's Blood Burma Ruby Diamond Cluster Platinum Ring

Garrard London 5 Carat Pigeon's Blood Burma Ruby Diamond Cluster Platinum Ring

By Garrard & Co. Ltd.

Located in New York, NY

A beautiful and stunning ring centered with a five carat ruby from the coveted mines of Burma (Myanmar) surrounded with eighteen round brilliant-cut diamonds, along with a diamond en...

Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Ruby, Platinum

1.06 Carat Cocktail Sapphire Ring in PT 900
1.06 Carat Cocktail Sapphire Ring in PT 900

1.06 Carat Cocktail Sapphire Ring in PT 900

Located in Bangkok, TH

Crafted in 4.203 grams of PT900 platinum, the ring combines strength with graceful design.

Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Platinum Tahitian Cultured Pearl & Diamond Ring Size 7.25  #18851
Platinum Tahitian Cultured Pearl & Diamond Ring Size 7.25  #18851

Platinum Tahitian Cultured Pearl & Diamond Ring Size 7.25 #18851

Located in Washington Depot, CT

Approximate total diamond weight:  .10ct Diamond clarity: SI1-SI2 Diamond color: G-H Stamped: PT900 Ring Size: 7.25-7.5 Weight:  7.7 dwt. / 12.1 gr.

Category

20th Century Contemporary Engagement Rings

Materials

Diamond, Pearl, Platinum

Mikimoto 8.2 mm Akoya Pearl & Diamond Ring Pt 900
Mikimoto 8.2 mm Akoya Pearl & Diamond Ring Pt 900

Mikimoto 8.2 mm Akoya Pearl & Diamond Ring Pt 900

By Mikimoto

Located in Kobe, Hyogo

Item: Mikimoto Akoya Pearl Ring Stones: 8.2 mm Akoya Pearl / Diamonds Metal: Platinum 900 Ring Size: US SIZE 5.25 UK SIZE J 3/4 Internal Diameter: 15.95 mm Weight: 3.8 Grams Conditi...

Category

2010s Japanese Fashion Rings

Materials

Diamond, Pearl, Platinum

Set in Platinum PT 900 Colombian Emerald Ring with Diamonds
Set in Platinum PT 900 Colombian Emerald Ring with Diamonds

Set in Platinum PT 900 Colombian Emerald Ring with Diamonds

Located in Hong Kong, HK

A beautiful Colombian Emerald Band ring set with diamond in Platinum PT 900 . Emerald weight is 1.03 carats and diamond weight is .24 carats .

Category

2010s Hong Kong Engagement Rings

Materials

Diamond, Emerald, Platinum

2.38 Carat Vivid Green Emerald 'Inverted' Platinum PT 900 Engagement Ring
2.38 Carat Vivid Green Emerald 'Inverted' Platinum PT 900 Engagement Ring

2.38 Carat Vivid Green Emerald 'Inverted' Platinum PT 900 Engagement Ring

By Malpani Jewels

Located in Hung Hom, HK

A 2.38 carat vivid green Emerald is inverted and accented with white brilliant round diamond. The ring is made in PT900 and is a perfect wear for any classical evening.

Category

2010s Hong Kong Art Nouveau Cocktail Rings

Materials

Diamond, White Diamond, Emerald, Platinum

3.01 Carat Burma (No-Heat) Ruby Cocktail Ring in PT 900
3.01 Carat Burma (No-Heat) Ruby Cocktail Ring in PT 900

3.01 Carat Burma (No-Heat) Ruby Cocktail Ring in PT 900

Located in Bangkok, TH

Set in 6.438 grams of PT900 platinum, the design balances strength with refinement, ensuring both durability and sophistication.

Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

Diamond, Ruby, Platinum

Classical Colombian Emerald Rare Round Shape & Diamond Band Ring PT 900
Classical Colombian Emerald Rare Round Shape & Diamond Band Ring PT 900

Classical Colombian Emerald Rare Round Shape & Diamond Band Ring PT 900

By Malpani Jewels

Located in Hung Hom, HK

A very classical band ring is given a fresh twist by adding 0.17 carats of rare clean round Colombian Emerald and 0.25 carats of white round brilliant diamond. The details of the dia...

Category

2010s Japanese Art Nouveau Wedding Rings

Materials

Diamond, Emerald, Platinum

Certified 0.87 Carat Hauynite and Diamond PT 900 Cocktail Designer Ring
Certified 0.87 Carat Hauynite and Diamond PT 900 Cocktail Designer Ring

Certified 0.87 Carat Hauynite and Diamond PT 900 Cocktail Designer Ring

By Malpani Jewels

Located in Hung Hom, HK

A rare collector's stone found only in Germany's volcanic region known as the Eifel Mountains. Named originally for René Just Haüy (1743-1822), a French pioneer in crystallography, t...

Category

2010s Art Nouveau Signet Rings

Materials

Diamond, Platinum

Certified 7.74 Carat Sapphire & 1.15 Carat White Diamond PT 900 Solitaire Ring
Certified 7.74 Carat Sapphire & 1.15 Carat White Diamond PT 900 Solitaire Ring

Certified 7.74 Carat Sapphire & 1.15 Carat White Diamond PT 900 Solitaire Ring

By Malpani Jewels

Located in Hung Hom, HK

A corn flower like shade sapphire weighing 7.74 carats are set along with 1.15 carat of white brilliant round diamond. The ring is mounted in Platinum Pt 900 and the stone is certifi...

Category

2010s Hong Kong Art Nouveau Engagement Rings

Materials

White Diamond, Sapphire, Platinum

Certified 4.22 Carat Santa Maria Aquamarine and Diamond PT 900 Designer Ring
Certified 4.22 Carat Santa Maria Aquamarine and Diamond PT 900 Designer Ring

Certified 4.22 Carat Santa Maria Aquamarine and Diamond PT 900 Designer Ring

By Malpani Jewels

Located in Hung Hom, HK

A Certified 4.22 carat of Santa Maria Aquamarine is set along with 0.40 carat of white Baguette diamond. The Santa Maria de Itabira mine, located in the Brazilian state of Minas Gera...

Category

2010s Japanese Contemporary Cocktail Rings

Materials

Aquamarine, Diamond, Platinum

Natural White Diamonds Platinum Cocktail Ring
Natural White Diamonds Platinum Cocktail Ring

Natural White Diamonds Platinum Cocktail Ring

By HYT Jewelry

Located in Hong Kong, HK

This unique and striking ring will make the perfect statement each time it is worn. - Pear Shape White Diamonds total 0.57 carat (color E-F, clarity VS) - Marquise Shape White Diamon...

Category

2010s Hong Kong Contemporary Cocktail Rings

Materials

White Diamond, Platinum

Set in Platinum PT 900 Rubellite Ring with Diamonds and Semi Precious Stones
Set in Platinum PT 900 Rubellite Ring with Diamonds and Semi Precious Stones

Set in Platinum PT 900 Rubellite Ring with Diamonds and Semi Precious Stones

Located in Hong Kong, HK

A beautifully designed cocktail ring with rubellite and multi color stone set in platinum with diamonds . Rubellite weight is 5.12 carats, other colorstones weight is .85 carats and ...

Category

2010s Hong Kong Cocktail Rings

Materials

Diamond, Rubelite, Platinum

Natural White Diamond Platinum Fashion Ring
Natural White Diamond Platinum Fashion Ring

Natural White Diamond Platinum Fashion Ring

By HYT Jewelry

Located in Hong Kong, HK

Each diamond is hand-selected by our experts. - Pear Shape White Diamond 0.19 carat (color E-F, clarity VS) - Marquise Shape White Diamonds total 0.48 carat (color E-F, clarity VS) -...

Category

2010s Hong Kong Contemporary Fashion Rings

Materials

White Diamond, Platinum

Natural White Diamonds Platinum Cocktail Ring
Natural White Diamonds Platinum Cocktail Ring

Natural White Diamonds Platinum Cocktail Ring

By HYT Jewelry

Located in Hong Kong, HK

Each diamond is hand-selected by our experts. - Pear Shape White Diamonds total 0.29 carat (color E-F, clarity VS) - Marquise Shape White Diamonds total 0.40 carat (color E-F, clarit...

Category

2010s Hong Kong Contemporary Cocktail Rings

Materials

White Diamond, Platinum

Platinum PT900 Diamond Ring
Platinum PT900 Diamond Ring

Platinum PT900 Diamond Ring

Located in Hong Kong, HK

A modern and chic diamond ring . Combined weight of Diamond is 1.25 carats . Ring dimensions in cm 1 x 2 x 2 ( L X W X H) . Ring size US 6 1/2.

Category

2010s Hong Kong Engagement Rings

Materials

Diamond, Platinum

Platinum PT900 Tanzanite Diamond Ring
Platinum PT900 Tanzanite Diamond Ring

Platinum PT900 Tanzanite Diamond Ring

By JEWEL HUB

Located in Hong Kong, HK

A gorgeous Tanzanite ring set in platinum PT900 with diamonds. Tanzanite weight is 3.79 carats , Diamond weight is 1.36 carats .

Category

2010s Indian Wedding Rings

Materials

Diamond, Tanzanite, Platinum

Platinum PT900 Tanzanite and Diamond Ring
Platinum PT900 Tanzanite and Diamond Ring

Platinum PT900 Tanzanite and Diamond Ring

Located in Hong Kong, HK

A beautiful and Elegant Tanzanite ring set in platinum PT900 with diamonds . The tanzanite weight is 3.00 carats and diamond weight is .70 carats in the ring.

Category

2010s Hong Kong Engagement Rings

Materials

Diamond, Tanzanite, Platinum

Platinum PT900 Blue Sapphire Ring with Diamonds
Platinum PT900 Blue Sapphire Ring with Diamonds

Platinum PT900 Blue Sapphire Ring with Diamonds

Located in Hong Kong, HK

A blue sapphire ring set in Platinum PT 900 with diamonds . The blue sapphire weight is 1.90 carats with diamond weight is 1.42 carats .

Category

2010s Hong Kong Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

Platinum PT900 Orange Sapphire Ring with Diamonds
Platinum PT900 Orange Sapphire Ring with Diamonds

Platinum PT900 Orange Sapphire Ring with Diamonds

Located in Hong Kong, HK

A simple and elegant Heated Orange sapphire ring with diamonds made in Platinum PT 900 . The orange sapphire is heated and weight is 9.1 carats and diamond weight is 1.93 carats .

Category

2010s Hong Kong Cocktail Rings

Materials

Diamond, Sapphire, Platinum

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Located in Dallas, TX

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2.50Ct Natural Emerald and Diamond 14K Solid Yellow Gold Ring

Located in Los Angeles, CA

2.50 Carats Natural Emerald and Diamond 14K Solid Yellow Gold Ring Suggested Replacement Value: Approx. $6,000.00 Total Natural Green Emerald Weight is: Approx. 1.50 Carats (transp...

Category

2010s American Cocktail Rings

Materials

Diamond, Emerald, 14k Gold, Yellow Gold

Ruby & Diamond Ring Burma No Heat GIA
Ruby & Diamond Ring Burma No Heat GIA

Ruby & Diamond Ring Burma No Heat GIA

Located in Litchfield, CT

Circa 1970s, Platinum, American. This gorgeous three-stone ring features a 1.32 carat no-heat Burma ruby (GIA lab report) and two .50 carat fine white French cut diamonds (G color, V...

Category

Vintage 1970s American Three-Stone Rings

Materials

Diamond, Ruby, Platinum

Certified 16.60 Carat Emerald Cabochon and Diamond Engagement Ring
Certified 16.60 Carat Emerald Cabochon and Diamond Engagement Ring

Certified 16.60 Carat Emerald Cabochon and Diamond Engagement Ring

By Royaal Stones Ltd

Located in Bangkok, Thailand

*ALL OUR PRICES INCLUDE PREPAID TARRIFS & CUSTOMS DUTIES FOR USA CLIENTS.* A beautiful, classic 16.60 carat Zambian Emerald cabochon center stone, with 1.04 carat VS quality White D...

Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Diamond, Emerald, Gold, 18k Gold, White Gold

Platinum 1.10 Carat Burmese Ruby Ring GIA
Platinum 1.10 Carat Burmese Ruby Ring GIA

Platinum 1.10 Carat Burmese Ruby Ring GIA

Located in Big Bend, WI

Top color GIA natural Burmese red ruby weighing 1.10 carats set in platinum. GIA report included. The ruby measures 6.69mm x 5.73mm is accented by 2 round brilliant cut diamonds weig...

Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

Diamond, White Diamond, Ruby, Platinum

5.15 Carats Natural Emerald and Diamond 14K Solid White Gold Ring
5.15 Carats Natural Emerald and Diamond 14K Solid White Gold Ring

5.15 Carats Natural Emerald and Diamond 14K Solid White Gold Ring

Located in Los Angeles, CA

5.15 Carats Natural Emerald and Diamond 14K Solid White Gold Ring Suggested Replacement Value: Approx. $8,000.00 Total Natural Green Emerald Weight is: Approx. 4.00 Carats Emerald...

Category

2010s American Cocktail Rings

Materials

Diamond, Emerald, 14k Gold, White Gold

16.97 Carat Octagon Brazilian Emerald Tennis Line Yellow Gold Bracelet
16.97 Carat Octagon Brazilian Emerald Tennis Line Yellow Gold Bracelet

16.97 Carat Octagon Brazilian Emerald Tennis Line Yellow Gold Bracelet

$5,520Sale Price / item|20% Off

W 0.2 in L 6.78 in

16.97 Carat Octagon Brazilian Emerald Tennis Line Yellow Gold Bracelet

By Vaibhav Dhadda

Located in Jaipur, Rajasthan

The 14 karat gold 16.97 carat octagon Brazilian emerald tennis line bracelet is a masterpiece of fine jewelry that exudes luxury and elegance. This bracelet showcases a stunning coll...

Category

21st Century and Contemporary Indian Modern Tennis Bracelets

Materials

Emerald, Gold, Yellow Gold, 14k Gold

Antique Art Deco 1930s 17.13 Carat Ceylon Sapphire Ring with Diamonds
Antique Art Deco 1930s 17.13 Carat Ceylon Sapphire Ring with Diamonds

Antique Art Deco 1930s 17.13 Carat Ceylon Sapphire Ring with Diamonds

Located in New York, NY

Finely crafted in platinum with an AGL certified, Ceylon origin, non-heat treated, Cushion cut Sapphire at the center weighing 17.13 carats, accented by Baguette cut Diamonds weighin...

Category

Vintage 1930s Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

Art Deco Old Mine Diamond Platinum Ring Wedding Engagement Ring Cocktail
Art Deco Old Mine Diamond Platinum Ring Wedding Engagement Ring Cocktail

Art Deco Old Mine Diamond Platinum Ring Wedding Engagement Ring Cocktail

Located in New York, NY

This is a stunning and dramatic Antique Art Deco Old Mine Cut Diamond Ring in Platinum with a gorgeous central .6 Carat Old Mine Diamond. The central diamond is surrounded by a spec...

Category

Early 20th Century Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

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Pt900 Ring For Sale on 1stDibs

You are likely to find exactly the pt900 ring you’re looking for on 1stDibs, as there is a broad range for sale. Frequently made of Platinum, Gold and 18k Gold, this item was constructed with great care. In our selection of items, you can find a vintage example as well as a contemporary version. If you’re looking for a pt900 ring from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 20th Century while another version may have been produced as recently as the 21st Century. A pt900 ring from Malpani Jewels, Noriko Matsuzaki and Tsutomu Matsuzaki — each of whom created a beautiful version of this treasured accessory — is worth considering. Today, if you’re looking for an oval cut version of this piece and are unable to find the perfect match, our selection also includes round cut and cabochon alternatives. When shopping for a pt900 ring, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a Pt900 Ring?

The price for a pt900 ring starts at $700 and tops out at $225,000 with these rings, on average, selling for $3,450.

The Legacy of Diamond in Jewelry Design

Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education.

Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).

When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.  

Finding the Right Rings for You

Antique and vintage rings have long held a special place in the hearts of fine jewelry lovers all over the world.

No matter their origin or specific characteristics, rings are timeless, versatile accessories. They’ve carried deep meaning since at least the Middle Ages, when diamond rings symbolized strength and other kinds of rings were worn to signify romantic feelings or to denote an affiliation with a religious order. Rings have also forever been emblematic of eternity.

Over time, rings have frequently taken the form of serpents, which have long been associated with eternal life, health and renewal. Italian luxury jewelry house Bulgari has become famous for its widely loved Serpenti motif, for example, and its Serpenti ring, like the other accessories in the collection, began as an homage to jewelry of the Roman and Hellenistic eras. The serpent is now a popular motif in fine jewelry. Jewelry devotees have long pined for rings adorned with reptiles, thanks to antique Victorian rings — well, specifically, Queen Victoria’s illustrious engagement ring, which took the form of a gold snake set with rubies, diamonds and an emerald (her birthstone). Designs for Victorian-era engagement rings often featured repoussé work and chasing, in which patterns are hammered into the metal.

Engagement rings, which are reliably intimidating to shop for, are still widely recognized as symbols of love and commitment. On 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

The most collectible antique engagement rings and vintage engagement rings are those from the Victorian, Edwardian and Art Deco eras. Named for the monarchies of the four King Georges, who in succession ruled England starting in 1714 (plus King William’s reign), antique Georgian rings, be they engagement rings or otherwise, are also coveted by collectors. Pearls, along with colored gemstones like garnets, rubies and sapphires, were widely used in Georgian jewelry. The late-1700s paste jewelry was a predecessor to what we now call fashion or costume jewelry

The Art Nouveau movement (1880–1910) brought with it rings inspired by the natural world. Antique Art Nouveau rings might feature depictions of winged insects and fauna as well as women, who were simultaneously eroticized and romanticized, frequently with long flowing hair. Art Deco jewelry, on the other hand, which originated during the 1920s and ’30s, is by and large “white jewelry.” White metals, primarily platinum, were favored over yellow gold in the design of antique Art Deco rings and other accessories as well as geometric motifs, with women drawn to the era’s dazzling cocktail rings in particular.

Whether you’re hunting down a chunky classic for a Prohibition-themed cocktail party or seeking a clean contemporary design to complement your casual ensemble, find an exquisite collection of antique, new and vintage rings on 1stDibs.