0.12 CARAT ROUND BRILLIANT G SI1 DIAMOND PLATINUM SEMI MOUNT RINGModern Jewelry4.5(203)$2,7001 day Left
0.12 CARAT ROUND BRILLIANT G SI1 DIAMOND PLATINUM SEMI MOUNT RINGModern Jewelry4.5(203)$2,700Mar 03, 2026
0.60 CARAT TAPERED BAGUETTE SHAPE H SI DIAMOND PLATINUM SEMI MOUNT RINGModern Jewelry4.5(203)$2,900Mar 03, 2026
1.14CT ROUND BRILLIANT DIAMOND PLATINUM ART DECO VINTAGE RING SIZE 7.5Modern Jewelry4.5(203)$6,100Mar 03, 2026
0.84 CARAT ROUND BRILLIANT F SI1 DIAMOND PLATINUM SEMI MOUNT RINGModern Jewelry4.5(203)$3,800Mar 03, 2026
0.20 CARAT ROUND BRILLIANT H SI1 DIAMOND PLATINUM SEMI MOUNT RINGModern Jewelry4.5(203)$2,250Mar 03, 2026
0.84 CARAT ROUND BRILLIANT F SI1 DIAMOND PLATINUM SEMI MOUNT RINGModern Jewelry4.5(203)$3,8001 day Left
1.10 CARAT ROUND BRILLIANT H SI DIAMOND 14 KARAT WHITE GOLD SEMI MOUNT RINGModern Jewelry4.5(203)$2,3501 day Left
0.40 CARAT TAPERED BAGUETTE SHAPE DIAMOND PLATINUM SEMI MOUNT RINGModern Jewelry4.5(203)$2,600Mar 03, 2026
14K WHITE GOLD CLUSTER STYLE RING WITH 0.25CTS OF DIAMONDS SIZE: 6.75 4.2GModern Jewelry4.5(203)$820Feb 08, 2026
Sold1950s Platinum Diamond Ring Setting MountingMETAL: platinum. GEMSTONES: marquis and baguette diamonds - approx. 1.10ctw. MEASUREMENTS: ring size - 5 1/4, ring top - 25mm x 19mm, center will fit approx. 15.5mm x 5.5mm stone. MARKED: 10% irid plaSee Sold Price
SoldPlatinum Diamond Ring Setting MountingRing size 4 1/2, ring top is 16mm x 15mm. Set with approx. 0.80ctw in round and baguette diamonds. Center will fit approx. 8.7mm x 7.8mm stone. Marked J6J15. Weight - 7.9 grams.Gemstones have not beenSee Sold Price
SoldAsprey Platinum Diamond Engagement Ring Setting MountingMetal : Platinum Designer : Asprey Gemstone : Diamonds approx. 0.36ctw. Measurements : Ring size 6.5, width 12.3mm. Center will fit approx. 8.5 x 7.3mm stone. Marked: : Asprey, pt950, MSee Sold Price
SoldPlatinum Diamond Egagement Ring Setting MountingRing size 7 1/2. Center will fit approx. 6.9mm x 7mm stone, surrounded with approx. 0.08ctw in side diamonds. Marked platinum. Weight - 5.4 grams.Gemstones have not been graded for color and clarity ,See 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
SoldPlatinum Diamond Engagement Ring Mounting SettingMETAL: platinum. MEASUREMENTS: Ring size - 7 1/4, center will fit approx. 9mm in diameter stone. GEMSTONES: diamonds - approx. 0.30ctw . MARKED: platinum. WEIGHT: 4.4 grams.Gemstones have not been graSee Sold Price
SoldPlatinum Diamond Engagement Ring Mounting SettingMETAL; platinum. MEASUREMENTS: ring size - 4 (arthritis shank) center will fit approx. 17.8mm x 10.5mm pear stone. GEMSTONES: side diamonds - approx. 0.80ctw. MARKED: plat. WEIGHT: 4.3 grams.GemstonesSee Sold Price
SoldPlatinum Diamond Engagement Ring Mounting SettingRing size 5 1/2, center will fit approx. 8mm x 8.3mm stone, sides approx. 0.20ctw. Marked ing plat. Weight - 4.8 grams.Gemstones have not been graded for color and clarity ,and tested for clarity andSee Sold Price
SoldPlatinum Diamond Engagement Ring Mounting SettingMETAL: platinum. MEASUREMENTS: ring size - 4 3/4, center will fit approx. 9mm x 5.8mm stone, side baguette diamonds approx. 0.20ctw. MARKED: plat. WEIGHT: 3.6 grams.Gemstones have not been graded forSee Sold Price
SoldKwiat Platinum Diamond Setting Mounting RingDiamonds . Ring size 4.5 (including sizing balls). Marked 950PT, Kwiat partially visible. Weighs 5.0 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancSee Sold Price
SoldTwo-Tone Diamond Engagement Ring Setting Mounting Platinum 18K Yellow GoldTwo-Tone Diamond Engagement Ring Setting Mounting Platinum 18K Yellow Gold This is a gorgeous diamond engagement ring mounting ready to house a diamond or gemstone of your choice. Please let us know iSee Sold Price
SoldPlatinum Diamond Engagement Ring SettingMounting will fit approx. 1.75ct round diamond. Ring size 5.5. Tested Platinum. Weighs 4.4 grams. Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unSee Sold Price
Sold1.01ct Diamond and 2.11ctw Ruby Platinum Ring (1.48ctw Diamonds)Name of Article: Lady's Diamond and Ruby RingSetting: Platinum Mounting [8.00 gms]Cut: Round BrilliantColor: JClarity: I2Measurements: 6.90 x 6.80 x 3.98mmApproximate Weight: 1.01 CaratAdditional StonSee Sold Price
SoldPlatinum Diamond Engagement Ring MountingPlatinum ring setting will fit an approx. 8mm round stone. Ring size 5.5. Tested platinum. Weight - 4.5 grams. Gemstones have not been graded for color and clarity ,and tested for clarity and color enSee Sold Price
SoldPlatinum Ring With Side Set DiamondsPlatinum-marked and acid-tested ring setting with side-set diamonds. Approximate ring size is 8.5-9. Marked '10% IRID. PLAT' inside the band. Central stone mounting appears to lack a stone. Weighs 4.3See Sold Price
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
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
SoldMidcentury Platinum Diamond Ring SettingMetal : Platinum Designer : Not Signed Gemstone : Diamonds approx. 0.80ctw Measurements : Ring size 6, top is 12.5mm wide, Center will fit approx. 7.8mm stone Marked: : 10% irid. plat <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
SoldArt Deco Platinum Diamond Ring SettingRing size 5.5. Ring top measures 14mm x 14.3mm. Weighs 7.4 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unless stated otherwise. Watches arSee Sold Price
SoldPlatinum Diamond Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size - 6.5, ring top - 21mm x 20mm. GEMSTONES: Diamonds approx. 0.70ctw. MARKED: 0692, Pt900. WEIGHT: 11.5 grams.Gemstones have not been graded for color and claritSee Sold Price
SoldPlatinum Diamond Ring SettingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.40ctw. Center of the ring will keep approx. 7.5mm x 7mm stone. MEASUREMENTS: Ring size 3 1/2, ring top is 9mm wide. TESTED: Platinum. WEIGHT: 3.5 grams.GSee Sold Price
