VINTAGE PLATINUM AND 1.11CT DIAMOND ENGAGEMENT RINGThomaston Place Auction Galleries4.4(427)$3,500Feb 22, 2026
Ladies 925 Silver Marked 2 Carat Main Stone CZ Diamond RingWeatherham Estate Treasures4(212)$906 days Left
Ladies 925 Silver Marked 2 Carat Main Stone CZ Diamond RingWeatherham Estate Treasures4(212)$90Feb 27, 2026
Antique Old European Diamond Engagement Ring in 14k White GoldEric's Estate & Jewelry4.6(529)$2,05019 hrs Left
Antique Old European Diamond Engagement Ring in 14k White GoldEric's Estate & Jewelry4.6(529)$2,0501447 Lots Away
Antique Old European Three Stone Diamond Engagement Ring in 14k White GoldEric's Estate & Jewelry4.6(529)$1,10019 hrs Left
14KT White Gold Ladies Hand Assembled Custom Made Diamond Solitaire Engagement RingWeatherham Estate Treasures4(212)$5006 days Left
Antique Old European Three Stone Diamond Engagement Ring in 14k White GoldEric's Estate & Jewelry4.6(529)$1,1001735 Lots Away
Round Brilliant Diamond Engagement Ring in 14K White GoldEric's Estate & Jewelry4.6(529)$1,07519 hrs Left
Round Brilliant Diamond Engagement Ring in 14K White GoldEric's Estate & Jewelry4.6(529)See Sold PriceFeb 06, 2026
14 KT Gold and Natural Diamond Solitaire Style RingWeatherham Estate Treasures4(212)$3,500Feb 19, 2026
14 KT Gold and Natural Diamond Solitaire Style RingWeatherham Estate Treasures4(212)$3,5006 days Left
DIAMOND ENGAGEMENT RING in PLATINUM SETTINGOld European cut diamond. .80 carats, VS clarity, G-H color. Size 6.5See Sold Price
SoldVintage Art Deco Diamond Engagement RingVintage Art Deco Diamond Engagement RingPlatinum Art Deco setting with European cut .75ct center stone. Color J, Clarity SI1. Accented with sapphire side stones. Size 5.5See 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
SoldGIA 1.01ctw E VS2 Diamond Platinum Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size 5.75. Center will fit approx. 6.5 x 6.4mm stone. GEMSTONES: Two side square modified diamonds - GIA certified, 0.50ct and 0.51ct E/VS2. Come with two GIA reporSee 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
