1.20 CARAT ROUND BRILLIANT H SI1 DIAMOND 18 KARAT WHITE GOLD SEMI MOUNT RINGModern Jewelry4.5(203)$3,6005 days Left
1.20 CARAT ROUND BRILLIANT H SI1 DIAMOND 18 KARAT WHITE GOLD SEMI MOUNT RINGModern Jewelry4.5(203)$3,600Mar 03, 2026
Natural White Diamond 0.805 Ct. With 18K White Gold Ring Jewelry 4.10 Grams Size 6.50Treasure of Gems & Jewelry4.4(212)$15 days Left
ANTIQUE PLATINUM RING WITH 1.30CTS OF DIAMONDS (1CT VS CENTER) SIZE: 5.5Modern Jewelry4.5(203)$4,150Feb 22, 2026
SoldPlatinum Diamond Ring Mounting Loose GIA 8.10ct OvalMETAL: platinum. GEMSTONES: diamonds-approx. 2.20-2.30ctw. Oval modified brilliant cut sapphire-8.10ct, measurements-14.06mm x 11.12mm x 6.44mm. Stone is chipped on girdle. Original GIA Report #518106See Sold Price
SoldMid Century Platinum Diamond Ring MountingMETAL: platinum. GEMSTONES: diamonds-approx.1.50ctw. MEASUREMENTS: ring size 5.25. Ring top is 21mm in diameter. Ring center will fit approx. 6.7mm round stone. TESTED: platinum. WEIGHT: 9.7 grams. GeSee Sold Price
SoldEdwardian Platinum Diamond Ring MountingDomestic: Free Shipping Item: Edwardian Handmade Estate Platinum Diamond Ring Mounting 42 brilliant cut diamonds, 0.60 ctw Color/Clarity: H color, SI clarity Ring Size: 7.25 Ring Weight: 4.2 gramsSee Sold Price
Sold1950s Platinum Diamond Ring Mounting SettingMETAL: platinum. MEASUREMENTS: ring size 8 (shank is bent and not perfectly round) ring top measures 18mm x 15mm, center stone will fit approx. 9mm in diameter stone. GEMSTONES: baguette diamonds .MARSee Sold Price
SoldMid Century Platinum Diamond Ring MountingMETAL: Platinum. GEMSTONES: Two baguette diamonds (one damaged/chipped). Center of the ring fit approx. 11mm x 10mm stone. MEASUREMENTS: Ring size 5 3/4, ring top is 11.5mm wide. TESTED: Plat. WEIGHT:See Sold Price
SoldPlatinum Diamond Ring MountingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.35ctw. MEASUREMENTS: Ring size 7 3/4, center will fit approx. 8.5mm stone. TESTED: Plat. WEIGHT: 6 grams.Gemstones have not been graded for color and claSee Sold Price
SoldMidcentury Platinum Diamond Ring MountingMETAL: Platinum. GEMSTONES: Diamonds approx. 1.00ctw. MEASUREMENTS: Ring size 8 1/4, top is 14.1mm. Center will fit approx. 8mm stone. TESTED: Plat. WEIGHT: 7.2 grams.Gemstones have not been graded foSee Sold Price
SoldArt Deco Filigree Platinum Diamond Ring MountingMETAL: platinum. GEMSTONES: rose cut diamonds. MEASUREMENTS: ring size 8.5. Ring center will keep approx. 8mm stone. TESTED: platinum. WEIGHT: 4.8 grams. Gemstones have not been graded for color and cSee Sold Price
SoldMid Century Platinum Diamond Ring MountingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.50ctw. MEASUREMENTS: Ring size 3 3/4, center will fit approx. 10mm in diameter stone. TESTED: Plat. WEIGHT: 5.9 grams.Gemstones have not been graded forSee Sold Price
SoldAntique Platinum Diamond Ring MountingMETAL: platinum. GEMSTONES: diamonds. MEASUREMENTS: ring size 6.75. Ring top is 14.5mm in diameter. Center of the ring will keep approx. 10mm round stone. Ring has sign MARINA in Gothic letters. TESTESee Sold Price
SoldPlatinum Diamond Ring MountingMETAL: platinum. GEMSTONES: diamonds-approx. 0.45ctw. MEASUREMENTS: ring size 6.25. Ring top is 16.5mm at widest point. center will fit to approx. 17mm stone. MARKED: Pt900 7.60 0.45. WEIGHT: 8.6 gramSee Sold Price
SoldPlatinum Diamond Ring MountingMETAL: platinum. GEMSTONES: diamonds. MEASUREMENTS: Ring is a size 6, center will fit approximately 10.7mm X 7.5mm stone. MARKED: tested plat. WEIGHT: 4.7 grams. Gemstones have not been graded for colSee Sold Price
SoldPlatinum Diamond Ring MountingMetal 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, 32See Sold Price
SoldAntique Platinum Diamond Ring MountingMetal : Platinum Designer : Not Signed Gemstone : Diamonds approx. 0.28ctw Measurements : Ring size 4, center will fit approx. 10.5mm x 11mm stone Marked: : Tested - Plat. Weight:See Sold Price
SoldDeco Platinum Diamond Ring MountingDeco platinum diamond ring mounting. The antique mounting is missing the center stone, and the opening measures 8.9mm. The mounting is set with 0.50 cttw. (G-H SI) old European cut diamonds and adorneSee Sold Price
SoldPlatinum Diamond Ring MountingMETAL: Platinum. GEMSTONES: Side diamonds approx. 0.36ctw. Center of the ring will keep approx. 8mm to 13mm stone. MEASUREMENTS: Ring size 5 1/2, ring top is 12.8mm wide. TESTED: Platinum. WEIGHT: 4.7See Sold Price
SoldTacori Platinum Diamond Ring MountingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.44 ctw (one is missing). Center of the ring will keep approx. 6mm x 5.5mm stone. MEASUREMENTS: Ring size 3 3/4, ring top is 8.2mm wide. MARKED: Tacori, PSee Sold Price
SoldPlatinum Diamond Ring MountingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.30ctw. Center of the ring will keep approx. 10mm x 7mm stone. MEASUREMENTS: Ring size 5 3/4, ring top is 13mm wide. MARKED: PT900. WEIGHT: 3 grams.GemstoSee Sold Price
SoldPlatinum Diamond Ring MountingMetal Content: Platinum.Weight of Item: 4.4 grams.Size: Ring size 6, top 9.7mm x 12mm. Will fit the stone around 5.7mm x 5.5mm. Originally set with emerald 0.80ct.Gemstone: Diamond.Carat Weight: 0.33cSee Sold Price
Sold18K Gold Platinum Diamond Ring MountingMETAL:18K gold, platinum. GEMSTONES: diamonds-approx. ctw(12diam). MEASUREMENTS: ring size 6.25. Ring will keep round stone approx. 11mm in diameter. TESTED: 18K PLAT. WEIGHT:7.9 grams. Gemstones haveSee Sold Price
SoldPlatinum Diamond Ring MountingMETAL: platinum. GEMSTONES: diamonds-approx.0.24ctw. MEASUREMENTS: ring size 5. Ring will keep oval stone approx 10.5mm x 9mm. MARKED: PLAT. WEIGHT: 5.1 grams.Gemstones have not been graded for colorSee Sold Price
SoldMid Century Platinum Diamond Ring MountingMETAL: platinum. GEMSTONES: baguette cut diamonds - approx. 0.15-0.20ct each. MEASUREMENTS: ring size 4.75, ring center will fit to 10-10.5mm stone. MARKED: hand made, tested platinum. WEIGHT: 4.9 graSee Sold Price
SoldArt Deco Filigree Platinum Diamond Ring MountingMETAL: platinum. GEMSTONES: 2diamonds. MEASUREMENTS: ring size 5.25. Ring center will keep approx. 6.5 x 5.5mm stone. MARKED: platinum. WEIGHT: 4.5 grams.Gemstones have not been graded for color and cSee Sold Price
SoldPlatinum Diamond Ring MountingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.35ctw (one missing stone). Center of the ring will keep approx. 7mm x 7mm stone. MEASUREMENTS: Ring size 7 1/2, ring top is 11.8mm at widest point. MARKESee Sold Price
