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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

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

Category

2010s Japanese Art Nouveau Solitaire Rings

Materials

Diamond, Emerald, 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

brilliant round diamond. The ring is made in PT 900 and has been manufactured in Japan. The image of the

Category

2010s Japanese Contemporary Fashion Rings

Materials

Diamond, White Diamond, Ruby, Platinum

Australian Opal 5.78 Carat Lightening Ridge Colorful Play Collector Pt900 RIng
Australian Opal 5.78 Carat Lightening Ridge Colorful Play Collector Pt900 RIng

Australian Opal 5.78 Carat Lightening Ridge Colorful Play Collector Pt900 RIng

By Malpani Jewels

Located in Hung Hom, HK

Ridge Ring, featuring a remarkable 5.78-carat opal set in Pt900 platinum, alongside 1.95 carats of D

Category

2010s Japanese Art Nouveau Solitaire Rings

Materials

Opal, 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

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

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

Category

2010s Mozambican Solitaire Rings

Materials

Star Sapphire

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

Category

20th Century Engagement Rings

Materials

Diamond, Opal, Platinum

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

Certificate Number: #2155926250 Ring Details: Ring Type: 3-Stone Ring Metal: Platinum (PT 900) Ring Weight

Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, White Diamond, Platinum

Natural White Diamond Platinum Cocktail Ring
Natural White Diamond Platinum Cocktail Ring

Natural White Diamond Platinum Cocktail Ring

By HYT Jewelry

Located in Hong Kong, HK

This elegant Platinum ring features spectacular natural Pear-shape and Marquise-shape White

Category

2010s Hong Kong Contemporary Cocktail Rings

Materials

White Diamond, 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

Color G Color of the stone Dark Blue Purity stamped Pt 900 ring size 6 but can be resized for free of

Category

Vintage 1970s Cocktail Rings

Materials

Diamond, Tourmaline, 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

Vibrant, rare, and full of character—this Orange Sapphire Ring is a captivating modern treasure. At

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

Category

20th Century Contemporary Engagement Rings

Materials

Diamond, Tourmaline, Platinum

One-of-a-kind Vintage 1.52ct Freeform Ruby Edwardian Diamond Ring in Platinum
One-of-a-kind Vintage 1.52ct Freeform Ruby Edwardian Diamond Ring in Platinum

One-of-a-kind Vintage 1.52ct Freeform Ruby Edwardian Diamond Ring in Platinum

Located in Wan Chai District, HK

: 0.30ct 36 Round Brilliant-cut: 0.36ct Metal: Platinum PT900 Total Weight: 8.69g Stamped: PT900 Ring Size

Category

Late 20th Century Hong Kong Edwardian Cluster Rings

Materials

Diamond, Ruby, 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

gm Diamonds: 2.48 Carat , Brilliant cut Round Stamped PT 900 Ring Size 6 Emerald: 9 Carat Origin

Category

Vintage 1980s Cocktail Rings

Materials

Diamond, Emerald, 18k Gold, 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

: Color: D Clarity: VVS The ring is made in Platinum PT 900 and is hand made in Japan Ring size can be

Category

2010s Japanese Contemporary Dome Rings

Materials

Diamond, White Diamond, Emerald, 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

Category

2010s Oceanic Contemporary Cluster Rings

Materials

Diamond, South Sea Pearl, 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

details of the white diamond are mentioned below: Color: D Clarity: VVS Ring size can be changed as per

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

are extremely sought-after. In this ring inspired by Barbie, the pink sapphire weighs 3.49 carat and

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

stunning ring, an emerald weighing 1.82 carat is set along with 0.83 carat of white round brilliant diamond

Category

2010s Japanese Art Nouveau Wedding Rings

Materials

White 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

, making it incredibly collectable. The ring has a GIA certified 6 carat of VVS clarity Thai Ruby. On the

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

diamond in this Platinum PT 900 engagement ring. Sapphires that have not undergone any color or clarity

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

Category

2010s Hong Kong Bridal Rings

Materials

Diamond, Platinum

11.6 Ct Chrysoberyl Cats Eye Unisex Ring With Marquise  Diamond Set in platinum
11.6 Ct Chrysoberyl Cats Eye Unisex Ring With Marquise  Diamond Set in platinum

11.6 Ct Chrysoberyl Cats Eye Unisex Ring With Marquise Diamond Set in platinum

Located in New York, NY

900 ring size 7 but can be resized for free of charge Its very hard to capture the true color and

Category

Vintage 1970s Stud Earrings

Materials

Diamond, Chrysoberyl, 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

Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

Diamond, Ruby

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

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

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

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

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

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

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

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

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

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

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

traditional engagement rings. Crafted in PT900 at 2.20 grams, this ring showcases diamonds with exceptional

Category

2010s Hong Kong Contemporary Engagement Rings

Materials

Diamond, 18k Gold

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

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

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

Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

Diamond, Ruby

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

Stunning Diamond Band. Canary Yellow Diamond Dangle on a Flower Diamond ring. Platinum PT900

Category

20th Century Modern Band Rings

Materials

Diamond, Platinum

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

Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

Diamond, Fire Opal

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

Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

Diamond, Pink Sapphire

Dior ring. Christian Dior Platinum Pt900 Three Bell band. Minimalist ring
Dior ring. Christian Dior Platinum Pt900 Three Bell band. Minimalist ring

Dior ring. Christian Dior Platinum Pt900 Three Bell band. Minimalist ring

By Christian Dior

Located in Port Charlotte, FL

Authentic Christian Dior Ring. PT900 Platinum Band. Cluster of Bells. Size 6 3.2grams

Category

21st Century and Contemporary Modern Engagement Rings

Materials

Platinum

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

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

Category

2010s American Engagement Rings

Materials

Diamond, Sapphire, 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

Category

21st Century and Contemporary Modern Signet Rings

Materials

Diamond, Opal, 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. Bezel set diamonds

Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, 18k Gold, Platinum

Australian Black Opal and Diamond Cluster Ring PT900 Heavy 14g+ V1149
Australian Black Opal and Diamond Cluster Ring PT900 Heavy 14g+ V1149

Australian Black Opal and Diamond Cluster Ring PT900 Heavy 14g+ V1149

Located in Osprey, FL

♥ This is a gorgeous cluster ring set with five unique Australian opals and sparkly diamond accents

Category

2010s American Cluster Rings

Materials

Diamond, Opal, Black Opal, Platinum

Set in PT900, 1.09 carats, natural Colombian Emerald & Diamonds Engagement Ring
Set in PT900, 1.09 carats, natural Colombian Emerald & Diamonds Engagement Ring

Set in PT900, 1.09 carats, natural Colombian Emerald & Diamonds Engagement Ring

By JEWEL HUB

Located in Hong Kong, HK

A very gorgeous and beautiful, modern style, Emerald Ring set in Platinum 900 & Diamonds. The

Category

21st Century and Contemporary Indian Modern Engagement Rings

Materials

Diamond, Emerald, 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.