Antique Vintage Art Deco Round Diamond Platinum Engagement Ring 1.60 CTWChairish Auctions4.5(10.3k)$2,400
PLATINUM SEMI-MOUNT RING W/ 0.30CT H SI BAGUETTE DIAMONDS – VINTAGE SETTINGModern Jewelry4.5(203)$2,6003 days Left
PLATINUM SEMI-MOUNT RING W/ 0.30CT H SI BAGUETTE DIAMONDS – VINTAGE SETTINGModern Jewelry4.5(203)$2,600Mar 03, 2026
14K White Gold Engagement Ring with 1.20 Ct Diamond and Baguette AccentsDiamond Depot4.3(10)$3,7503 days Left
TIFFANY & CO 0.30 CARAT TAPERED BAGUETTE SHAPE DIAMOND PLATINUM SEMI MOUNT RINGModern Jewelry4.5(203)$2,6003 days Left
TIFFANY & CO 0.30 CARAT TAPERED BAGUETTE SHAPE DIAMOND PLATINUM SEMI MOUNT RINGModern Jewelry4.5(203)$2,600Mar 03, 2026
SoldPlatinum Engagement Ring Diamond SettingA platinum engagement ring setting with two tapered baguette diamonds. Marked platinum. Engraved, sz:5See Sold Price
SoldMidcentury Platinum Engagement Diamond Ring SettingMetal : Platinum Designer : Not Signed Gemstone : Diamonds approx. 0.40ctw (one is missing) Measurements : Ring size 6.75, top is 11.5 x 11.5mm, center will fit approx. 5mm stone Marked: : PSee Sold Price
SoldArt Deco Platinum Engagement Diamond Ring SettingArt Deco Platinum Engagement Diamond Ring Setting with 2 Genuine and Tested Tapered Baguette Cut Diamonds Ring Size: 5.5Hallmark to Interior of Shank: "10% Irid PL AT" In Overall Good Condition PleaseSee Sold Price
SoldArt Deco Platinum Engagement Diamond Ring SettingArt Deco Platinum Engagement Diamond Ring Setting Pre-Owned Condition Please Refer to Photos Out of New York City EstateSee Sold Price
SoldPlatinum Diamond Engagement Ring SettingMETAL: platinum. MEASUREMENTS: ring size - 9 1/4, center will fit approx - 7.8mm in diameter stone. GEMSTONES: side old European diamonds - each approx. 0.55-0.58ct. TESTED: plat. WEIGHT: 8.1 grams.GeSee Sold Price
SoldArt Deco Platinum Diamond Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size - 6.5, ring top is 13mm wide. Center will fit approx. 9.8mm stone. GEMSTONES: Diamonds approx. 0.90ctw (one is missing). TESTED: Plat. WEIGHT: 4.9 grams.GemstoSee Sold Price
SoldTacori Platinum Diamond Engagement Ring SettingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.84ctw, Center stone is CZ, not a diamond - 7.5mm stone. MEASUREMENTS: Ring sizes 5 1/4, each band is 3.2mm wide. MARKED: Tacori Platinum, Engraving on thSee Sold Price
SoldPlatinum Diamond Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size - 6.5, center will fit approx. 14.5mm x 9mm pear shaped stone. GEMSTONES: Diamonds approx. 1.70ctw. MARKED: JBS. WEIGHT: 15.8 grams.Gemstones have not been graSee Sold Price
SoldPlatinum Diamond Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size 7.5, center will fit approx. 11mm x 9mm stone. GEMSTONES: Diamonds approx. 0.90ctw. MARKED: Platinum. WEIGHT: 7.8 grams.Gemstones have not been graded for coloSee Sold Price
SoldLarge A.Jaffy Platinum Diamond Engagement Ring SettingRing size 8 3/4, ring top is 9mm wide. Side diamonds - approx. 0.60ctw. Center will fit approx. 9mm x 7.4mm stone. Marked: A.jaffy, plat. Weight - 18.2 grams.Gemstones have not been graded for color aSee Sold Price
SoldPlatinum Diamond Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size - 4.5, center will fit approx. 7.5mm x 5mm stone. GEMSTONES: Two side diamonds approx. 0.70ctw. MARKED: Plat, L.F.S. WEIGHT: 5.1 grams.Gemstones have not beenSee Sold Price
Sold18k Gold Platinum Diamond Engagement Ring SettingMETAL: 18k Gold/ Platinum. MEASUREMENTS: Ring size 9.5. center will fit approx. 8.5 x 7.6mm stone. GEMSTONES: Diamonds approx. 0.80ctw. MARKED: Plat 18k. WEIGHT: 5.9 grams.Gemstones have not been gradSee Sold Price
SoldTacori Platinum Diamond Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size 6.25. Center is not diamond - stone is 6mm in diameter. GEMSTONES: Setting diamonds approx. 0.33ctw. MARKED: Plat, Tacori (partially visible/polished off). WEISee Sold Price
SoldPlatinum Diamond Engagement Ring SettingMETAL: platinum. MEASUREMENTS: ring size - 7, center will fit approx. 11mm stone. GEMSTONES: approx. 46 side diamonds. TESTED: plat. WEIGHT: 5.5 grams.Gemstones have not been graded for color and clarSee Sold Price
SoldPlatinum Diamond Engagement Ring SettingMETAL: platinum. MEASUREMENTS: ring size - 6 1/2, center stone will fit approx. 13mm x 9mm stone. GEMSTONES: side diamonds approx. 0.40ctw. MARKED: x 1134, platinum. WEIGHT: 5.8 grams.Gemstones have nSee Sold Price
SoldPlatinum Diamond Engagement Ring SettingRing size 5 1/4, ring top is 8mm x15.2mm. Two trillion cut side diamonds - approx. 0.45ctw. Center will fit approx. 7.6mm x 5.5mm.Marked Pleise 950. Weight - 5.4 grams.Gemstones have not been graded fSee Sold Price
SoldPlatinum Diamond Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size 4.5, ring top is 18mm x 13mm. Center will fit approx. 12.4 x 8.2mm stone (approx. 3.45ct). GEMSTONES: Setting diamonds approx. 0.80ctw. MARKED: Plat. WEIGHT: 8See Sold Price
SoldPlatinum Diamond Engagement Ring Setting Lot of 3Three settings, sizes 5 1/2, 4 3/4 and 7 1/2. Centers will fit approx. 7.4mm x 7.2mm, 7mm x 5mm and 7.2mm x 6mm stones. Side diamonds - approx. 0.12ctw., two sapphires. Marked plat, 10% irid. Weight -See Sold Price
SoldPlatinum Diamond Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size - 7, ring top is 9mm wide. Center will fit approx. 7mm x 7mm stone. GEMSTONES: Side diamonds. approx. 0.70ctw. MARKED: plat., GM. WEIGHT: 8.2 grams.Gemstones hSee Sold Price
SoldBlue Nile Platinum Diamond Engagement Ring SettingMETAL: 18k Gold. GEMSTONES: Diamonds approx. 1.00ctw. MEASUREMENTS: Ring size 5 3/4, center will fit approx. 5.5mm stone. MARKED: Maker's logo mark Plat. WEIGHT: 6.6 grams.Gemstones have not beenSee Sold Price
SoldArt Deco Platinum Diamond Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size - 6, ring top is 10mm in diameter. Center will fit approx. 9.2mm stone. GEMSTONES: setting OEC diamonds - approx. 0.12ctw. TESTED: Plat. WEIGHT: 2.9 grams.GemsSee Sold Price
SoldPlatinum Diamond Engagement Ring SettingMETAL: Platinum. GEMSTONES: Diamonds approx. 1.00ctw. MEASUREMENTS: Ring size 5 1/2, center of the ring will keep approx. 6-6.5mm stone. MARKED: Maker's mark, Plat. WEIGHT: 13.1 grams.Gemstones haSee Sold Price
SoldPlatinum Diamond Engagement Ring SettingRing size 5, center will fit approx. 14.3mm x 10.2mm stone, side diamonds - 0.64ctw (marked on shank). Marked: D064, pt900. Weight - 10 grams.Gemstones have not been graded for color and clarity ,andSee Sold Price
SoldModern Platinum Diamond Engagement Ring SettingSide diamonds total approx. 0.30ctw. Center will fit approx. 7mm round diamond. Ring size 7.25. Marked PT950, weighs 9.0 grams.Gemstones have not been graded for color and clarity ,and tested for clarSee Sold Price
