Cocktail & Statement Rings

PT900 DIAMOND STAMP RING First Image

#image-loader-main { display: none; }

PT900 DIAMOND STAMP RING First Image

PT900 DIAMOND STAMP RING

Total Sales0 Sold

Median Sale Price

Sale Price Range

Similar Upcoming Sales

RING PT900PLATINUM DIAMOND DIAMOND (1 of 5)

RING PT900PLATINUM DIAMOND DIAMOND

Feb 14, 2026

TASAKI DIAMOND RING (1 of 3)

TASAKI DIAMOND RING

Feb 22, 2026

Diamond Platinum Pt900 Ring Size 8.5 (1 of 9)

Diamond Platinum Pt900 Ring Size 8.5

Feb 19, 2026

JEWELRY Diamond Ring in PT900 Platinum Size 5.5 (1 of 7)

JEWELRY Diamond Ring in PT900 Platinum Size 5.5

Feb 17, 2026

JEWELRY Diamond Ring in PT900 Platinum with Clear Diamond US Size 6.5 (1 of 8)

JEWELRY Diamond Ring in PT900 Platinum with Clear Diamond US Size 6.5

Feb 16, 2026

PT900 NATURAL BLUE DIAMOND RING (1 of 2)

PT900 NATURAL BLUE DIAMOND RING

Feb 13, 2026

PT900 DIAMOND NATURAL PINK DIAMOND RING (1 of 2)

PT900 DIAMOND NATURAL PINK DIAMOND RING

Feb 15, 2026

PT900 DIAMOND RING (1 of 2)

PT900 DIAMOND RING

Feb 15, 2026

PT900 DIAMOND RING FLOWER (1 of 2)

PT900 DIAMOND RING FLOWER

Feb 15, 2026

JEWELRY Diamond Ring in PT900 Platinum Size 6.5 (1 of 9)

JEWELRY Diamond Ring in PT900 Platinum Size 6.5

Feb 19, 2026

PT950 DIAMOND RING (1 of 2)

PT950 DIAMOND RING

Feb 13, 2026

PT900 DIAMOND RING (1 of 2)

PT900 DIAMOND RING

Feb 15, 2026

JEWELRY 18K White Gold Diamond Ring US 7.25 (1 of 11)

JEWELRY 18K White Gold Diamond Ring US 7.25

Feb 17, 2026

JEWELRY Diamond Ring in Platinum Size 6 (1 of 8)

JEWELRY Diamond Ring in Platinum Size 6

2 days Left

PT950 DIAMOND RING (1 of 2)

PT950 DIAMOND RING

Feb 15, 2026

14k White Gold 1.02ct Diamond Ring (1 of 4)

14k White Gold 1.02ct Diamond Ring

Prestige Auction Galleries

3 days Left

Similar Sale History

Unlock All Prices

Sold

ZOISITE AND DIAMOND RING (1 of 3)

ZOISITE AND DIAMOND RING ZOISITE AND DIAMOND RING Emerald cut zoisite measuring approximately 10.70 x 6.15 x 4.85 mm, 18 round brilliant and six tapered baguette cut diamonds. Platinum. Ring size 6.Stamp: D 0.63 Pt900 3.12 C4

Sold

Platinum Diamond Ring Setting (1 of 4)

Platinum Diamond Ring Setting Metal Content: Platinum. Weight of Item: 5 grams.Size: Ring size 5, top - 7.6mm wide. Center of the ring will keep approx. 6mmx 4.5mm stone.Gemstone: Diamonds approx. 0.43ctw.Stamp: Pt900, D0.72, 043.

Sold

AQUAMARINE AND DIAMOND RING (1 of 3)

AQUAMARINE AND DIAMOND RING AQUAMARINE AND DIAMOND RING Containing one rectangular cut aquamarine measuring 21.55 x 18.90 x 13.35 mm and 16 single cut diamonds. Mounted in platinum. Ring size 7. Stamp: WB CO. Pt900. Gross weight

Sold

DIAMOND RING (1 of 3)

DIAMOND RING DIAMOND RING Containing 11 old European and four baguette cut diamonds weighing approximately 1.65 carats total. Mounted in platinum. Ring size 7. Stamp: Pt900. 3.00 dwt.

Sold

PLATINUM AND DIAMOND RING (1 of 3)

PLATINUM AND DIAMOND RING PLATINUM AND DIAMOND RING Containing 46 round brilliant cut diamonds weighing approximately 1.00 carat total. Ring size 6. Stamp: Pt900 1.00. 7.70 dwt. Property from the Collection of Paula Huffman, C

Sold

Platinum Diamond Ring Mounting (1 of 3)

Platinum Diamond Ring Mounting Metal Content: Platinum.Weight of Item: 7.7 grams.Size: Ring size 8.75, top - 15mm x 15mm. Center designed to fit oval stone 10.5mm x 8mm.Gemstone: Diamonds.Carat Weight: 0.51ctw.Stamp: pt900, 051, 32

Sold

18k Gold Platinum Diamond Engagement Ring Mounting (1 of 3)

18k Gold Platinum Diamond Engagement Ring Mounting Metal Content: 18k Gold, Platinum.Weight of Item: 7.5 grams.Size: 6, center designed to fit stone about 8mm x 4.8mm.Gemstone: Diamonds.Carat Weight: 0.25ctw. Stamp: 18k, 750, pt900.

Sold

Platinum 18k Gold Diamond Opal Ring (1 of 3)

Platinum 18k Gold Diamond Opal Ring Metal Content: Platinum/ 18k Gold. Weight of Item: 13.9 grams.Size: 6.25, width of the top - 21mm. Gemstone: Opal , Diamonds. Carat Weight: approx. 0.35ctw. Stamp: 0.35, pt900 k18.

Sold

Platinum Coral Diamond Ring (1 of 3)

Platinum Coral Diamond Ring Metal Content: Platinum. Weight of Item: 10.7 grams.Size: 7, top - 17mm x 16mm. Gemstone: Coral - 13.8mm x 10mm (not secure in the setting) , Diamonds. Carat Weight: approx. 0.65ctw. Stamp: Pt900.

Sold

Platinum 8.22ct Opal Diamond Ring (1 of 3)

Platinum 8.22ct Opal Diamond Ring Metal Content: Platinum. Weight of Item: 13.4 grams.Size: Ring size 5.75, top - 21mm x 20mm. Gemstone: Opal, Diamonds. Carat Weight: 8.22ct, 1.55ctw. Stamp: pt900, 8.22, 1.55.

Sold

1.29 Carat Opal Diamond Platinum Ring (1 of 3)

1.29 Carat Opal Diamond Platinum Ring Metal Content: Platinum. Weight of Item: 7.4 g.Size: Ring size - 6.5, width f the top - 17mm.Gemstone: Opal, Diamond. Carat Weight:1.29ct, 0.71ctw.Stamp: Pt900, 1.293, 0.71.

Sold

Tahitian South Sea Pearl Diamond Platinum Ring (1 of 3)

Tahitian South Sea Pearl Diamond Platinum Ring Metal Content: Platinum.Weight of Item: 9.2 g. Size: Ring size - 9.25. Gemstone: Pearl, Diamond. Carat Weight: 12.1mm, 0.61ctw.Stamp: D0061, Pt900.

Sold

Platinum Bar-Set Baguette and Round-Cut Diamond Band Ring (1 of 2)

Platinum Bar-Set Baguette and Round-Cut Diamond Band Ring METAL: Platinum; APPROXIMATE TOTAL DIAMOND WEIGHT: 0.92 ctw; STAMPED: PT900, additional stamps partially erased; CONDITION: Pre-owned, Good; ITEM WEIGHT (GRAMS): 6.6 g; MEASUREMENTS: Ring size 8

Sold

Platinum Diamond Star Ruby Ring (1 of 3)

Platinum Diamond Star Ruby Ring Metal Content: Platinum.Weight of Item: 7.3 grams.Size: Ring size 6 1/4, ring top - 16mm x 14mm.Gemstone: Diamonds. Star ruby 3.21ct.Carat Weight: approx. 0.48ctw.Stamp: Pt900 3.216 0.48.

Sold

Platinum Diamond Green Tourmaline Ring (1 of 3)

Platinum Diamond Green Tourmaline Ring Metal Content: Platinum.Weight of Item: 6.9 grams.Size: Ring size 6 1/4, ring top - 11mm x 7.5mm.Gemstone: Diamonds. Green tourmaline 4.12ct.Carat Weight: approx. 0.70ctw.Stamp: D0.70 4.12 Pt900.

Sold

Platinum Diamond 3.00ct Sapphire Ring (1 of 4)

Platinum Diamond 3.00ct Sapphire Ring Metal Content: Platinum.Weight of Item: 6 grams.Size: Ring is 6 1/2, top - 17mm x 13.7mm.Gemstone: Diamonds. Sapphire approx. 3.00ct. (10mm x 7.5mm)Carat Weight: approx. 0.60ctw.Stamp: Pt900, S300, D0

Sold

Platinum Diamond Amethyst Ring (1 of 5)

Platinum Diamond Amethyst Ring Metal Content: Platinum.Weight of Item: 16.8 grams.Size: Ring size 7 1/2, ring top - 22mm x 15mm wide.Gemstone: Diamonds. Amethyst - 18.9mm x 14.1mm.Carat Weight: approx. 0.85ctw.Stamp: Pt900, 0.83.

Sold

Platinum Diamond 1.95ct Opal Ring (1 of 5)

Platinum Diamond 1.95ct Opal Ring Metal Content: Platinum. Weight of Item: 6.9 grams.Size: Ring size 7 1/4, ring top - 10.7mm wide.Gemstone: Diamonds. Opal approx. 1.95ct (10.6mm x 9mm)Carat Weight: approx. 0.49ctw.Stamp: Pt900, D 049

Sold

Platinum Diamond 6.37ct Sapphire Ring (1 of 5)

Platinum Diamond 6.37ct Sapphire Ring Metal Content: Platinum.Weight of Item: 10.7 grams.Size: Ring size 5 1/2, ring top - 19.8mm at widest point.Gemstone: Diamonds. Sapphire approx. 6.37ct.Carat Weight: approx. 1.00ctw.Stamp: Pt900, D 1.

Sold

Platinum Diamond Peridot Ring (1 of 3)

Platinum Diamond Peridot Ring Metal Content: Platinum.Weight of Item: 8.8 grams.Size: Ring size 6 1/4, ring top - 17.7mm x 16mm.Gemstone: Diamonds. Peridot 4.51ct.Carat Weight: approx. 0.73ctw.Stamp: Pt900 4.51 0.73.

Sold

Platinum Diamond Kunzite Ring (1 of 3)

Platinum Diamond Kunzite Ring Metal Content: Platinum.Weight of Item: 11.5 grams.Size: Ring size 6 and ring is 16.4mm at widest point.Gemstone: Diamonds. Kunzite 13.03ct.Carat Weight: approx. 0.26ctw.Stamp: Pt900 1303 D 026.

Sold

Estate Platinum Diamond South Sea Pearl Ring (1 of 4)

Estate Platinum Diamond South Sea Pearl Ring Metal Content: Platinum. Weight of Item: 10.1grams.Size: Ring size 6.25. Top is 16mm x16mm.Gemstone: Diamonds, South Sea Pearl 11.2mm.Carat Weight: Approx. 0.77ctw.Stamp: PT900, 0.77.

Sold

Platinum Diamond 3ct Sapphire Ring (1 of 4)

Platinum Diamond 3ct Sapphire Ring Metal Content: Platinum.Weight of Item: 6.6 grams.Size: Ring size 6, ring top -12.8mm at widest point.Gemstone: Diamonds. Sapphire approx. 3.00ct.Carat Weight: approx. 0.36ctw.Stamp: Pt900, 3.00, D 0.

Sold

Platinum Diamond Amethyst Ring (1 of 3)

Platinum Diamond Amethyst Ring Metal Content: Platinum.Weight of Item: 9.5 grams.Size: Ring size 6 1/2, ring top - 19mm x 15mm.Gemstone: Diamonds. Amethyst approx. 11.35ct.Carat Weight: approx. 0.8ctw.Stamp: Pt900 D008 11.35.

TOP