ZEI Antique 1.50 Carat Diamond Engagement Ring Platinum 900
Located in Miami, FL
The ring is a size 8.75 and weights 8.2 grams platinum 900. Ring designer: ZEI Circa 1920’s
Category
Vintage 1920s Engagement Rings
Materials
Diamond, Platinum
Platinum 900
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Solid Platinum 900 Baguette & Round Cut Natural Diamond Pendant Necklace
Located in New York, NY
Platinum 900 Natural Diamond Pendant Necklace Metal Type: Solid Platinum 900 Total Item Weight: 4.1 Grams Sizable: No Dimensions: Length: 24.0 mm x Width: 9.2 mm x Height: 5.5 mm 1:...
Category
21st Century and Contemporary Contemporary Pendant Necklaces
Materials
Diamond, Platinum
Conch Pearl and Diamond Ring in Platinum 900
Located in Berlin, BE
Beautiful ring crafted in Platinum 900, centered with a rare and attractive conch pearl.
Category
21st Century and Contemporary German Aesthetic Movement Cluster Rings
Materials
Diamond, Pearl, Platinum
Kunzite Ring Set in Platinum 900 Settings
Located in Bangkok, TH
Kunzite 6.38 carats Ring set in Platinum 900 Settings Width: 1.1 cm Length: 1.1 cm Ring Size: 49 Total Weight: 10.16 grams "We first opened doors in 1980 when it was then situa...
Category
2010s Thai Contemporary Solitaire Rings
Materials
Kunzite, Platinum
GIA Certified Solid Platinum 900 Natural Diamond and Natural Emerald Ring
Located in New York, NY
Platinum 900 Natural Diamond and Emerald Ring Metal Type: Solid Platinum 900 Total Item Weight: 7.4 Grams Ring Size: 6.5 (Resizable) Dimensions: Length: 17.0 mm x Width: 13.0 mm x H...
Category
21st Century and Contemporary Contemporary Engagement Rings
Materials
Diamond, Emerald, Platinum
Carved Aquamarine Ring set in Platinum 900 Settings
Located in Bangkok, TH
Carved Aquamarine 5.41 carats Ring set in Platinum 900 Settings Width: 0.8 cm Length: 1.2 cm Ring Size: 57 Total Weight: 5.94 grams "We first opened doors in 1980 when it was the...
Category
2010s Thai Contemporary Solitaire Rings
Materials
Aquamarine, Platinum
Blue Sapphire Ring set in Platinum 900 Settings
Located in Bangkok, TH
Blue Sapphire 2.70 carats Ring set in Platinum 900 Settings Width: 0.7 cm Length: 1.0 cm Ring Size: 53 Total Weight: 6.98 grams "We first opened doors in 1980 when it was then si...
Category
2010s Thai Contemporary Solitaire Rings
Materials
Blue Sapphire, Platinum
GIA Certified Solid Platinum 900 Natural Diamond and Natural Garnet Ring
Located in New York, NY
GIA Certified Natural Diamond and Garnet Platinum 900 Ring Metal Type: Solid Platinum 900 Total Item Weight: 17.7 Grams Ring Size: 6.25 (Sizable) Dimensions: Length: 22.1 mm x Widt...
Category
21st Century and Contemporary Contemporary Engagement Rings
Materials
Diamond, Garnet, Platinum
Set in Platinum 900, 1.72 carats, Paraiba Tourmaline & Diamonds Engagement Ring
$5,600Sale Price|20% Off
Set in Platinum 900, 1.72 carats, Paraiba Tourmaline & Diamonds Engagement Ring
By JEWEL HUB
Located in Hong Kong, HK
The Diamonds weight is 1.20 carats. Net Platinum 900 weight is 10.49 grams. The Gross weight of the Ring is 11.07 grams.
Category
21st Century and Contemporary Indian Modern Engagement Rings
Materials
Diamond, Paraiba, Platinum
Set in Platinum 900, 5.80 Carats Tanzanite & Diamonds Engagement Ring
$3,600Sale Price|20% Off
Set in Platinum 900, 5.80 Carats Tanzanite & Diamonds Engagement Ring
By JEWEL HUB
Located in Hong Kong, HK
A very beautiful, Tanzanite Engagement Ring set in Platinum 900 & Diamonds. The weight of the Tanzanite is 5.80 carats.
Category
21st Century and Contemporary Indian Modern Engagement Rings
Materials
Diamond, Tanzanite, Platinum
18K 750 Solid Yellow Gold & Platinum 900 Natural Diamond and Emerald Pendant
Located in New York, NY
18K Yellow Gold & Platinum 900 Natural Diamond and Emerald Pendant Metal Type: 18k Solid Yellow Gold & Solid Platinum 900 Total Item Weight: 3.4 Grams Sizable: No Length: 2...
Category
21st Century and Contemporary Contemporary Pendant Necklaces
Materials
Diamond, Emerald, 18k Gold, Yellow Gold, Platinum
Aquamarine with Tsavorite Ring set in Platinum 900 Settings
Located in Bangkok, TH
Aquamarine 3.94 carats with Tsavorite 1.13 carats Ring set in Platinum 900 Settings Width: 1.8 cm Length: 1.1 cm Ring Size: 52 Total Weight: 11.67 grams "We first opened doors in...
Category
2010s Thai Contemporary Three-Stone Rings
Materials
Aquamarine, Tsavorite, Platinum
Aquamarine and Morganite Ring set in Platinum 900 Settings
Located in Bangkok, TH
Aquamarine 3.60 carats and Morganite 2.85 carats Ring set in Platinum 900 Settings Width: 0.7 cm Length: 1.2 cm Ring Size: 52 Total Weight: 16.19 grams "We first opened doors in ...
Category
2010s Thai Contemporary Three-Stone Rings
Materials
Aquamarine, Morganite, Platinum
Vintage Diamond & Emerald Salamander Brooch – Platinum 900 – 2.26
$11,966Sale Price|20% Off
Vintage Diamond & Emerald Salamander Brooch – Platinum 900 – 2.26
Located in Morris Plains, NJ
Charming vintage salamander (lizard) brooch crafted in solid platinum 900., beautiful set in pave-style natural round brilliant diamonds totalling approximatly 2.26carats.
Category
Mid-20th Century American Contemporary Brooches
Materials
Diamond, Emerald, Platinum
Set in Platinum 900, 4.69 Carats Aquamarine & Diamonds Engagement Cocktail Ring
$2,400Sale Price|20% Off
Set in Platinum 900, 4.69 Carats Aquamarine & Diamonds Engagement Cocktail Ring
Located in Hong Kong, HK
A very gorgeous and classical, Aquamarine Engagement / Wedding Ring set in Platinum 900 & Diamonds. The weight of the Emerald Cut Aquamarine is 4.69 carats.
Category
21st Century and Contemporary Indian Modern Engagement Rings
Materials
Aquamarine, Diamond, Platinum
GIA Certified Platinum 900 Blue Sapphire and Natural Diamond Ring
Located in New York, NY
GIA Certified Platinum 900 Blue Sapphire and Natural Diamond Ring Metal Type: 900 Platinum Total Item Weight: 5.5 Grams Ring Size: 6.25 (Sizable) Dimensions: Length: 14.0 mm x Width...
Category
21st Century and Contemporary Contemporary Engagement Rings
Materials
Diamond, Blue Sapphire, Platinum
Set in Platinum 900, 6.83 carats, Aquamarine & Diamonds Engagement Cocktail Ring
$3,200Sale Price|20% Off
Set in Platinum 900, 6.83 carats, Aquamarine & Diamonds Engagement Cocktail Ring
By JEWEL HUB
Located in Hong Kong, HK
A very beautiful & gorgeous, Aquamarine Engagement Cocktail Ring set in Platinum 900 & natural Diamonds. The weight of the Aquamarine is 6.83 carats.
Category
21st Century and Contemporary Hong Kong Art Deco Engagement Rings
Materials
Aquamarine, Diamond, Platinum
Natural Ceylon Pink Sapphire & Diamonds Engagement Ring Set in Platinum 900
$2,240Sale Price|20% Off
Natural Ceylon Pink Sapphire & Diamonds Engagement Ring Set in Platinum 900
By JEWEL HUB
Located in Hong Kong, HK
A very beautiful and wearable, natural Pink Sapphire Engagement Ring set in Platinum 900 & Diamonds. The weight of the Pink Sapphire is 1.18 carats.
Category
2010s Hong Kong Modern Engagement Rings
Materials
Diamond, Pink Sapphire, Platinum
Vintage Pave Diamond Twisted Design Platinum 900 European Shank Cocktail Ring
Located in Montreal, QC
Hand crafted Platinum 900 mounting. Ideal worn alone or as an alternative Engagement ring or Wedding band.
Category
Late 20th Century Modernist Solitaire Rings
Materials
Diamond, Platinum
GIA Certified Platinum 900 Natural Diamond and Colombian Emerald Pendant
Located in New York, NY
GIA Platinum 900 Natural Diamond and Emerald Pendant Metal Type: 900 Platinum Total Item Weight: 2.7 Grams Sizable: Yes Dimensions: Length: 33.0 mm x Width: 8.0 mm Note: Pendant onl...
Category
21st Century and Contemporary Contemporary Pendant Necklaces
Materials
Diamond, Emerald, Platinum
Antique Jadeite Jade & Diamond Halo Platinum 900 Statement Ring
Located in Miami, FL
This stunning antique ring features a richly saturated old mine Jadeite Jade cabochon framed by 22 bright round diamonds in a classic halo design. Crafted in platinum 900 with a stra...
Category
Vintage 1920s Art Deco Fashion Rings
Materials
Diamond, Jade, Platinum
Natural, Ceylon Blue Sapphire & Diamonds Engagement Ring Set in Platinum 900
$1,824Sale Price|20% Off
Natural, Ceylon Blue Sapphire & Diamonds Engagement Ring Set in Platinum 900
By JEWEL HUB
Located in Hong Kong, HK
A very beautiful and very wearable Blue Sapphire Engagement Ring set in Platinum 900 & Diamonds. The weight of the Blue Sapphire is 1.12 carats.
Category
2010s Hong Kong Modern Engagement Rings
Materials
Diamond, Blue Sapphire, Platinum
Black Opal with Diamond Ring set in Platinum 900 Setting
Located in Bangkok, TH
Black Opal 2.72 carats with Diamond 0.97 carat Ring set in Platinum 900 Setting Width: 1.4 cm Length: 1.6 cm Ring Size: 56 Total Weight: 7.74 grams "We first opened doors in 1980...
Category
2010s Thai Contemporary Engagement Rings
Materials
Diamond, Opal, Black Opal, Platinum
Blue Sapphire with Diamond Earrings Set in Platinum 900 Settings
Located in Bangkok, TH
Blue Sapphire 5.35 carats with Diamond 1.33 carats Earrings set in Platinum 900 Settings Width: 1.4 cm Length: 2.3 cm Total Weight: 32.64 grams "We first opened doors in 1980 whe...
Category
2010s Thai Contemporary Clip-on Earrings
Materials
Diamond, Blue Sapphire, Platinum
Cabochon Ruby with Diamond Ring Set in Platinum 900 Settings
Located in Bangkok, TH
Cabochon Ruby 3.35 carats with Diamond 0.41 carat Ring set in Platinum 900 Settings Width: 0.9 cm Length: 0.9 cm Ring Size: 55 Total Weight: 18.81 grams "We first opened doors in...
Category
2010s Thai Contemporary More Rings
Materials
Diamond, Ruby, Platinum
Vintage Platinum 900 Natural Diamond Milgrain Oval Shape Engagement Band Ring
Located in New York, NY
Platinum 900 Natural Diamond Milgrain Engagement Ring Metal Type: 900 Platinum Total Item Weight: 4.1 Grams Ring Size: 7 (Resizable) Dimensions: Length: 14.0 mm x Width: 11.0 mm x H...
Category
20th Century Contemporary Engagement Rings
Materials
Diamond, Platinum
5.23 carats, Kunzite, Pink Sapphires & Diamonds Titanium Ring with Platinum 900
$4,800Sale Price|20% Off
5.23 carats, Kunzite, Pink Sapphires & Diamonds Titanium Ring with Platinum 900
By JEWEL HUB
Located in Hong Kong, HK
A very gorgeous and beautiful, one of a kind, Kunzite & Pink Sapphires Engagement Band Ring set in Titanium & Platinum 900. The weight of the Kunzite is 5.23 carats.
Category
21st Century and Contemporary Indian Modern Engagement Rings
Materials
Pink Sapphire, Kunzite, Diamond, Titanium, Platinum
Aquamarine with Blue Sapphire Ring set in Platinum 900 settings
Located in Bangkok, TH
Aquamarine 7.03 carats with Blue Sapphire 2.27 carats Ring set in Platinum 900 settings Width: 2.1 cm Length: 1.3 cm Ring Size: 56 Total Weight: 12.23 grams "We first opened door...
Category
2010s Thai Contemporary Engagement Rings
Materials
Aquamarine, Blue Sapphire, Platinum
Blue Sapphire with Diamond Ring Set in Platinum 900 Settings
Located in Bangkok, TH
Blue Sapphire 1.31 carats with Diamond 1.67 carats Ring set in Platinum 900 Settings Width: 2.0 cm Length: 1.6 cm Ring Size: 55 Total Weight: 12.57 grams Blue Sapphire Width: 0...
Category
2010s Thai Contemporary More Rings
Materials
Diamond, Blue Sapphire, Platinum
Natural, Fancy Light Brownish Yellow Diamond Engagement Ring Set in Platinum 900
$3,199Sale Price|20% Off
Natural, Fancy Light Brownish Yellow Diamond Engagement Ring Set in Platinum 900
By JEWEL HUB
Located in Hong Kong, HK
A very gorgeous and wearable Diamond Engagement Ring set in Platinum 900. The weight of the centre Fancy Light Brownish Yellow Diamond is 0.79 carats.
Category
2010s Hong Kong Art Deco Engagement Rings
Materials
Yellow Diamond, Platinum
1.03 Carat Round-Cut Diamond in Platinum 900 Channel Setting Half-Eternity Ring
By Gad & Co.
Located in Miami, FL
1.03 Carat Round-Cut Natural Diamond in Platinum 900 Channel Set Band Ring. Details: Item Type: Women's Ring Metal: Platinum 900 Size: 7.25 Weight: 5.52 Grams Width: 5.2 MM Ston...
Category
21st Century and Contemporary Modern Wedding Rings
Materials
Diamond, Platinum
1.03 Carat Round-Cut Diamond in Platinum 900 Channel Setting Half-Eternity Ring
Located in Miami, FL
1.03 Carat Round-Cut Natural Diamond in Platinum 900 Channel Set Band Ring. Details: Item Type: Women's Ring Metal: Platinum 900 Size: 7.25 Weight: 5.52 Grams Width: 5.2 MM Ston...
Category
21st Century and Contemporary Modern Wedding Rings
Materials
Diamond, Platinum
Bangle in Platinum 900 with natural blue Sapphires and Diamonds
Located in Zurich, Zollstrasse
A timeless, elegant bangle in fine Platinum 900 set with 28 oval, cornflower blue natural Sapphires weighing 8.24 ct, and 129 round brilliant cut Diamonds weighing 0.97 ct.
Category
2010s Contemporary Bangles
Materials
Diamond, Blue Sapphire, Platinum
Blue Sapphire with White Sapphire Ring Set in Platinum 900 Settings
$2,304Sale Price|20% Off
Blue Sapphire with White Sapphire Ring Set in Platinum 900 Settings
Located in Bangkok, TH
Blue Sapphire 1.29 carats with White Sapphire 1.03 carats Ring set in Platinum 900 Settings Width: 1.1 cm Length: 0.7 cm Ring Size: 49 Total Weight: 5.21 grams Blue Sapphire Widt...
Category
2010s Thai Contemporary Solitaire Rings
Materials
Blue Sapphire, Platinum
Emerald Cut Natural Green Emerald Diamond Cluster Ring in Platinum 900
$22,800Sale Price|20% Off
Emerald Cut Natural Green Emerald Diamond Cluster Ring in Platinum 900
By Antinori Fine Jewels
Located in Chicago, IL
The ring is crafted in Platinum 900, with the platinum reading varying slightly on the head where the stones are mounted, consistent with the handmade nature of the piece.
Category
Vintage 1960s Italian Cocktail Rings
Materials
Diamond, Emerald, Platinum
6 Carat brilliant cut Diamond Line Tennis Bracelet Platinum 900
Located in Zurich, Zollstrasse
This fantastic tennis bracelet is set with 42 round Brilliant Cut Diamonds White Color H / I Clarity SI1 in Platinum 900 for this stunning tennis bracelet. Set in a four claw design...
Category
2010s Contemporary Tennis Bracelets
Materials
Diamond, Platinum
Vintage Art Deco 1cttw Old Euro Cut Diamond Ring in Platinum 900
Located in Miami, FL
Item Details: - Metal: Platinum 900 - Weight: 2.83 grams - Style: Art Deco - Era: Circa 1930 - Size: 6 - Ring Face: 2.3 x 1.9 cm Center Stone Details: - Type: Diamond - Carat: 0...
Category
20th Century European Art Deco Solitaire Rings
Materials
Diamond, Platinum
Set in Platinum 900, 1.59 carats Blue Sapphire & Diamonds Engagement Ring
By JEWEL HUB
Located in Hong Kong, HK
The Diamonds weight is 1.11 carats. Net Platinum 900 weight is 10.99 grams. The Gross weight of the Ring is 11.53 grams.
Category
2010s Indian Modern Engagement Rings
Materials
Diamond, Blue Sapphire, Platinum
Blue Sapphire, Pink Sapphire and Yellow Sapphire Ring set in Platinum 900
Located in Bangkok, TH
Blue Sapphire 1.08 carats, Pink Sapphire 1.36 carats and Yellow Sapphire 1.08 carats Ring set in Platinum 900 Settings Width: 1.7 cm Length: 0.7 cm Ring Size: 52 Total Weight: 7.6...
Category
2010s Thai Contemporary Three-Stone Rings
Materials
Blue Sapphire, Pink Sapphire, Yellow Sapphire, Platinum
1.02 Carat Ruby Ring made in Platinum 900
Located in Bangkok, TH
Graceful, vibrant, and timeless—this 1.02 Carat Ruby Ring is a refined expression of classic elegance and radiant beauty. At the center of the design rests a captivating 1.02 carat r...
Category
21st Century and Contemporary Art Deco Cocktail Rings
Materials
Platinum
GIA Cert 2.93 CTW Natural Pink Tourmaline & Diamond Engagement Ring Platinum 900
Located in Los Angeles, CA
The diamonds present a bright, near-colorless appearance and provide a refined contrast to the pink tourmaline. Crafted in 900 platinum, the ring weighs approximately 7.0 grams.
Category
Late 20th Century American Art Deco Engagement Rings
Materials
Diamond, Tourmaline, Platinum
GIA Certified Platinum 900 Emerald & Diamond Pendant with Platinum 850 Chain
Located in New York, NY
GIA Certified Emerald and Diamond Pendant Necklace Metal Type: 900 Platinum, 850 Platinum Total Item Weight: 6.5 Grams Pendant Dimensions: Length: 17.5 mm x Width: 10.0 mm x Height:...
Category
21st Century and Contemporary Contemporary Pendant Necklaces
Materials
Diamond, Emerald, Platinum
Platin 900 3.81 CTW Sapphire & Diamond Cocktail Ring
Located in Lambertville, NJ
It’s also hallmarked “pt900” for platinum 900. It is well made weighing 10.80 grams.
Category
1990s Cocktail Rings
Materials
Diamond, Sapphire, Platinum
0.50 Carat Oval Sapphire & Baguette Diamond Ballerina Platinum Ring
Located in Miami, FL
Natural 0.50 carat oval blue sapphire set in platinum 900 with a radiating ballerina halo of tapered baguette and round brilliant diamonds on a delicate filigree-detailed shank, weig...
Category
21st Century and Contemporary Contemporary Cocktail Rings
Materials
Diamond, Sapphire, Platinum
1.16 Carat Oval Blue Sapphire and Diamond Textured Halo Platinum Ring
Located in Miami, FL
Natural 1.16 Carat Oval Cut Blue Sapphire and 0.63 CTTW Diamond Textured Halo Platinum 900 Vintage Ring. 5.76 grams, size 6.5.
Category
21st Century and Contemporary Art Deco Cluster Rings
Materials
Diamond, Sapphire, Blue Sapphire, Platinum
Platinum Ornate Link Chain Necklace
Located in New York, NY
Weight: 17.1 Grams Length: 16" Hallmark: Citizen, Platinum 900 Metal: Platinum 900 Item #: BR-1857-040826-08
Category
20th Century Chain Necklaces
Materials
Platinum
12.5mm South Sea Pearl and Diamond Platinum Three Stone Ring
By Gad & Co.
Located in Miami, FL
Natural Pearl and Diamond Platinum 900 Three Stone Ring. Three stone ring featuring a prominent 12.5-mm pearl center stone, secured in a 4-prong setting.
Category
21st Century and Contemporary North American Modern Three-Stone Rings
Materials
Diamond, Pearl, South Sea Pearl, Platinum
15mm South Sea Pearl and Diamond Platinum Cocktail Ring with Heart Shape Design
By Gad & Co.
Located in Miami, FL
Set in a platinum 900 that offers supreme durability and strength as a setting.
Category
21st Century and Contemporary North American Romantic Cocktail Rings
Materials
Diamond, Pearl, South Sea Pearl, Platinum
1.10 Carat Sapphire and Diamond Pave Cluster Platinum Band Ring
Located in Miami, FL
Platinum 900 set pave blue sapphire and diamond band ring.
Category
21st Century and Contemporary Contemporary Dome Rings
Materials
Diamond, Blue Sapphire, Platinum
1 Carat Round & Baguette Diamond Channel Set Platinum 3 Row Band Ring
Located in Miami, FL
Natural Round brilliant and baguette diamond band ring in platinum 900 featuring alternating vertical bars of round and baguette diamonds in three-row design.
Category
21st Century and Contemporary Contemporary Band Rings
Materials
Diamond, Platinum
Natural 2.28 Carat Blue Sapphire & Diamond Cluster 5 Stone Platinum Ring
By Gad & Co.
Located in Miami, FL
Natural Blue Sapphire and Diamond in Platinum 900 Cluster 5 Stone Ring. This cluster ring features 5 blue Sapphire center stones.
Category
Late 20th Century North American Art Deco Cluster Rings
Materials
Diamond, Sapphire, Blue Sapphire, Platinum
Elegant Platinum Curved Diamond Solitaire Ring
By Hand Made
Located in New York, NY
*Custom Made Ring *Material: Platinum 900 *Condition: Mint *Diamond: 0.33ctw *Clarity: SI1 *Color: F *Ring Dimension: *Size: 5.75 *Width: 8.2mm *Thickness: 2mm *Weight: 5.3gr *Com...
Category
21st Century and Contemporary Solitaire Rings
Materials
Diamond, Platinum
Platinum 3.09 Carat Diamond Graduated Tennis Choker Necklace
Located in Miami, FL
This platinum 900 tennis choker necklace is adorned with a total of 3.09 carats of natural round cut diamonds, arranged in a graduated design.
Category
21st Century and Contemporary Modern Choker Necklaces
Materials
Diamond, Platinum
Two Toned Kite Shaped Dangly Earrings in Platinum and 18k Yellow Gold
Located in Honolulu, HI
Earrings Specifications: Metal: Platinum 900 & 18K Yellow Gold Total Weight: 2.1 Grams Earring Length: ~1.0" Stamped: "PT900" "18K" Condition: Preowned
Category
Late 20th Century Unknown Modern Dangle Earrings
Materials
Platinum, 18k Gold, Yellow Gold
3.21 Carat Oval Cut Blue Sapphire and Diamond in Platinum Ring
Located in Miami, FL
Set with natural mined gemstones and platinum 900. Details: Item Type: Cocktail Ring Metal: Platinum 900 Size: 8.25 (adjustable) Weight: 4.27 Grams Center Stone Details: Type: S...
Category
21st Century and Contemporary Modern Cocktail Rings
Materials
Diamond, Sapphire, Blue Sapphire, Platinum
3.21 Carat Oval Cut Blue Sapphire and Diamond in Platinum Ring
Located in Miami, FL
Set with natural mined gemstones and platinum 900. Details: Item Type: Cocktail Ring Metal: Platinum 900 Size: 8.25 (adjustable) Weight: 4.27 Grams Center Stone Details: Type: S...
Category
21st Century and Contemporary Modern Cocktail Rings
Materials
Diamond, Sapphire, Blue Sapphire, Platinum
3.50 Carat Black Opal & Diamond Halo Platinum Filigree Ring
Located in Miami, FL
Natural 3.50 Carat Australian Black Opal & Diamond Set Platinum 900 Statement Ring, Size 7.75. Details: Item Type: Statement Ring Metal: Platinum 900 Size: 7.75 (adjustable) Weight...
Category
21st Century and Contemporary Baroque Cocktail Rings
Materials
Diamond, Opal, Black Opal, Platinum
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Recent Sales
Platinum 900 Natural Diamond Lovers Ring
Unavailable
Platinum 900 Natural Diamond Lovers Ring
Located in Kowloon, HK
Platinum 900 Natural Diamond Lovers Ring Platinum Ring VS Clarity Diamond Different Sizes Available
Category
21st Century and Contemporary Hong Kong Modern Fashion Rings
Materials
Diamond, Platinum
Platinum 900 0.1 Carat Diamond Necklace
Unavailable
Platinum 900 0.1 Carat Diamond Necklace
By SHIHARA
Located in Shibuya, Tokyo, JP
Model wears 380mm chain. Platinum 900 Diamond Necklace ※ the chain is Platinum 850 Diamond Size: 0.1-0.12ct (Gup VS2up EXup) Setting diameter: 7.10mm Chain lengths available in 380m...
Category
2010s Japanese Chain Necklaces
Materials
Diamond, Platinum
Platinum 900 0.3 Carat Diamond Necklace
Unavailable
Platinum 900 0.3 Carat Diamond Necklace
By SHIHARA
Located in Shibuya, Tokyo, JP
Model wears 380mm chain. Platinum 900 Diamond Necklace ※ the chain is Platinum 850 Diamond Size: 0.3-0.32ct (Gup VS2up 3EX HC) Setting diameter: 7.10mm Chain lengths available in 38...
Category
2010s Japanese Chain Necklaces
Materials
Diamond, Platinum
Platinum 900 0.4 Carat Diamond Necklace
Unavailable
Platinum 900 0.4 Carat Diamond Necklace
By SHIHARA
Located in Shibuya, Tokyo, JP
Model wears 380mm chain. Platinum 900 Diamond Necklace ※ the chain is Platinum 850 Diamond Size: 0.4-0.42ct (Gup VS2up 3EX HC) Setting diameter: 7.10mm Chain lengths available in 38...
Category
2010s Japanese Chain Necklaces
Materials
Diamond, Platinum
Platinum 900 0.5 Carat Diamond Necklace
Unavailable
Platinum 900 0.5 Carat Diamond Necklace
By SHIHARA
Located in Shibuya, Tokyo, JP
Model wears 380mm chain. Platinum 900 Diamond Necklace ※ the chain is Platinum 850 Diamond Size: 0.5-0.52ct (Gup VS2up 3EX HC) Setting diameter: 7.10mm Chain lengths available in 38...
Category
2010s Japanese Chain Necklaces
Materials
Diamond, Platinum
Platinum 900 0.2 Carat Diamond Necklace
Unavailable
Platinum 900 0.2 Carat Diamond Necklace
By SHIHARA
Located in Shibuya, Tokyo, JP
Model wears 380mm chain. Platinum 900 Diamond Necklace ※ the chain is Platinum 850 Diamond Size: 0.2-0.22ct (Gup VS2up EX up) Setting diameter: 7.10mm Chain lengths available in 380...
Category
2010s Japanese Chain Necklaces
Materials
Diamond, Platinum
Cat's Eye Chrysoberyl and Diamond Ring in Platinum 900
Located in Melbourne, AU
This is a Cat's Eye Chryspberyl ballerina setting in Platinum 900. This is a very common setting that allows the main stone to stands out and at the same time providing maximum Diamo...
Category
Late 20th Century Australian Art Deco Cocktail Rings
Materials
Chrysoberyl, Diamond, Platinum
Made in Japan- Ceylon Blue Sapphire Ring with Platinum 900 and White VS Diamonds
Located in Kowloon, HK
Ceylon Blue Sapphire Desire Halo Ring with Platinum 900 and White VVS-VS Diamonds (US Size 4.5) All 100% Handmade in Japan, with Hallmark stamps and quality assurance.
Category
21st Century and Contemporary Japanese Cocktail Rings
Materials
Diamond, Blue Sapphire, Platinum
Vintage Platinum 900 Dome Ring - 1CT Round Natural Diamond, Diamond Cluster Ring
Located in Ramat Gan, IL
Jewelry Material: Platinum 900 (the gold has been tested by a professional) Total Carat Weight: 1ct (Approx.)
Category
20th Century Unknown Dome Rings
Materials
Diamond, Platinum
Platinum 900 Diamond 0.1 Carat Hoop Pair of Earrings
By SHIHARA
Located in Shibuya, Tokyo, JP
A single stone diamond hoop earring. The wire tension allows for a seamless circular post that hooks in place at the hidden clasp behind the stone. Diamond size 0.1ct Setting diamet...
Category
2010s Japanese More Earrings
Materials
Diamond, Platinum
Platinum 900 Diamond 0.06 Carat Hoop Pair of Earrings
By SHIHARA
Located in Shibuya, Tokyo, JP
A single stone diamond hoop earring. The wire tension allows for a seamless circular post that hooks in place at the hidden clasp behind the stone. Diamond size 0.06ct Setting diam...
Category
2010s Japanese More Earrings
Materials
Diamond, Platinum
Eostre Purple Star Sapphire and Diamond Ring in Platinum 900
Located in Melbourne, AU
This is a very simple design aiming to give the Start Sapphire Cabochon as much attention as possible. The clearer the asterisks is on the star sapphire the more valuable it is. M...
Category
2010s Australian Contemporary Cocktail Rings
Materials
Diamond, Star Sapphire, Platinum
Ring Platinum Diamond
Unavailable
Ring Platinum Diamond
Located in PARIS, FR
Retro Marguerite ring in platinum 900 thousandths. set with a central brilliant-cut diamond of about 0.48 ct. and a surround of 10 brilliant-cut diamonds of about 0.05 ct each.
Category
20th Century French Engagement Rings
Materials
Diamond, Platinum
Ladies Platinum Emerald & VVS Diamond Wedding Ring
Located in Miami, FL
Key Features: Metal: Platinum 900. Gemstone: Emerald; 1.50 carat, Round cut stone set in prongs.
Category
2010s European Wedding Rings
Materials
Diamond, Emerald, Platinum
Pendant Necklace Platinum Diamond
Located in PARIS, FR
Pendant in platinum 900 thousandths. representing a catholic cross. set with 20 diamonds. 17 of them old cut of about 0.10 ct each. and 3 rose cut diamonds on the setting. 2 of about...
Category
20th Century French Pendant Necklaces
Materials
Diamond, Platinum
Platinum with Blue Tanzanite and Diamonds Pendant for Necklace Without a Chain
Located in Hong Kong, HK
Platinum with Blue Tanzanite and Diamonds Pendant for Necklace without a chain Diamonds of approximately 0.37 carats and Blue Tanzanite approximately 0.93 carats, mounted on Platinu...
Category
21st Century and Contemporary Hong Kong Necklace Enhancers
Materials
Diamond, Tanzanite, Platinum
Platinum with Blue Tanzanite and Diamonds Pendant for Necklace Without a Chain
Located in Hong Kong, HK
Platinum with Blue Sapphire and Diamonds Pendant for Necklace without a chain Diamonds of approximately 0.46 carats and Blue Tanzanite approximately 3.65 carats, mounted on Platinum...
Category
21st Century and Contemporary Hong Kong Necklace Enhancers
Materials
Diamond, Blue Sapphire, Platinum
GIA 3.18 Carats Diamond Sri Lanka Sapphire Platinum Halo Ring
Located in Miami, FL
This ring features 2.49ct in Sri Lanka Sapphire and 0.69ct. t.w. diamonds. Set in Platinum. GIA Certificate: 6224764035 Platinum 900: 6.80gr Diamonds: 0.69ct Clarity: VS1 - SI1 Col...
Category
2010s South American Modern Fashion Rings
Materials
Diamond, Sapphire, Platinum
GIA 14.50cts Diamond Sri Lanka Sapphire Platinum Cluster Cocktail Ring
Located in Miami, FL
This ring features 11.65ct in Sri Lanka Sapphire and 2.85ct. t.w. diamonds. Set in Platinum. GIA Certificate: 2221729995 Platinum 900: 24.67gr Diamonds: 2.85ct Clarity: VS1 - SI1 C...
Category
2010s North American Modern Cocktail Rings
Materials
Diamond, Sapphire, Platinum
Vintage 1.50 Carat Natural Emerald Diamond Cocktail Engagement Ring
Located in Miami, FL
Metal: Platinum 900. 1.50 carat emerald. Round shape emerald set in prongs.
Category
2010s Contemporary Cocktail Rings
Materials
Diamond, White Diamond, Emerald, Platinum
GIA Certified 1.07ct Brazilian Paraiba Tourmaline and Diamonds in Platinum Ring
Located in New York, NY
GIA 6325886344 1.07ct Brazilian Paraiba (Clarity Enhanced) 0.60tct Diamonds Platinum 900
Category
21st Century and Contemporary American Engagement Rings
Materials
Diamond, Paraiba, Tourmaline, Platinum
12.69ct Green Tourmaline Ring
Unavailable
12.69ct Green Tourmaline Ring
Located in New York, NY
The shank is made from Platinum 900, a luxurious and durable metal that will last a lifetime.
Category
21st Century and Contemporary Japanese Contemporary Cocktail Rings
Materials
Diamond, Tourmaline, Platinum
Platinum Pink Coral Core Pearl and Akoya Pearl Brooch with Diamonds
By Okura Coral
Located in Tokyo, JP
So this is very very rare and hard to find! This platinum 900 brooch designed as flowers and radiating leaves features a 7.4mm pink color coral core pearl and 5.4mm white Akoya pea...
Category
Late 20th Century Japanese Brooches
Materials
Diamond, Pearl, Platinum
14 Karat White Gold and Platinum Pink Coral Core Pearl and Akoya Pearl Necklace
Unavailable
L 18.51 in
14 Karat White Gold and Platinum Pink Coral Core Pearl and Akoya Pearl Necklace
By Okura Coral
Located in Tokyo, JP
The pendant head can detach, you can use separately. Platinum 900 with 0.27 carat diamonds.
Category
Late 20th Century Japanese Beaded Necklaces
Materials
Diamond, Pearl, Coral, 14k Gold, White Gold, Platinum
Platinum Pink Coral Core Pearl and White Akoya Pearl Brooch with Diamonds
By Okura Coral
Located in Tokyo, JP
So this is very very rare and hard to find! This platinum 900 brooch designed as flowers and radiating leaves features a 7.2mm pink color coral core pearl and 5.3mm white Akoya pea...
Category
Late 20th Century Japanese Brooches
Materials
Diamond, Pearl, Platinum
Matsuzaki K18 Gold Platinum Rose Flower 3.02 Carat Fire Opal Pendant Necklace
Unavailable
W 0.78 in D 0.3 in L 1.95 in
Matsuzaki K18 Gold Platinum Rose Flower 3.02 Carat Fire Opal Pendant Necklace
By Tsutomu Matsuzaki
Located in Tokyo, JP
[Detailed Information] Pendant : K18Yellow Gold /Platinum 900 FIRE OPAL 3.02c / GARNET(GREEN & ORANGE) 0.22ct PINK SAPPHIRE 0.10ct / DIAMOND 0.08ct OPAL center stone size : 12.2mm...
Category
2010s Japanese Artist Pendant Necklaces
Materials
Diamond, Garnet, Opal, Pink Sapphire, Gold, 18k Gold, Platinum
900 Platinum Ring Featuring Emeralds and Diamonds
Located in Berlin, DE
These diamonds add brilliance and luminosity to the piece, perfectly complementing the emerald’s natural beauty. Set in high-quality 900 platinum, the ring radiates a refined and di...
Category
21st Century and Contemporary Unknown Modern Cocktail Rings
Materials
Diamond, Emerald, 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
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Platinum 900 For Sale on 1stDibs
Find the exact platinum 900 you’re shopping for in the variety available on 1stDibs. Every item for sale was constructed with extraordinary care, often using Platinum, Gold and 18k Gold. Our collection of these items for sale includes 38 vintage editions and 77 modern creations to choose from as well. Finding the perfect platinum 900 may mean sifting through those created during different time periods — you can find an early version that dates to the 20th Century and a newer variation that were made as recently as the 21st Century. There have been many well-made iterations of the classic platinum 900 over the years, but those made by Malpani Jewels, SHIHARA and Spark Creations are often thought to be among the most beautiful. See these pages for a round cut iteration of this accessory, while there are also oval cut cut and marquise cut cut versions available here, too. Finding a platinum 900 for sale for women should be easy, but there are 55 pieces available to browse for unisex as well as men, too.
How Much is a Platinum 900?
Prices for a platinum 900 can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $600 and can go as high as $38,000, while this accessory, on average, fetches $2,575.
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 rings, vintage engagement rings or Art Deco engagement rings.
Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.
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Learn about these antique jewelry styles, then choose a design that speaks to you.
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