1.56CT OLD EUROPEAN CUT DIAMOND PLATINUM ART DECO ENGAGEMENT RINGModern Jewelry4.5(203)$3,9003 days Left
1.56CT OLD EUROPEAN CUT DIAMOND PLATINUM ART DECO ENGAGEMENT RINGModern Jewelry4.5(203)$3,900Mar 03, 2026
1.14CT ROUND BRILLIANT DIAMOND PLATINUM ART DECO VINTAGE RING SIZE 7.5Modern Jewelry4.5(203)$6,100Mar 03, 2026
1.14CT ROUND BRILLIANT DIAMOND PLATINUM ART DECO VINTAGE RING SIZE 7.5Modern Jewelry4.5(203)$6,1003 days Left
Vintage 1940's 2-Stone Diamond Engagement Ring Platinum, .18 CTW, 3.33 GramsChairish Auctions4.5(10.3k)$380
1.13 CARAT H VS OLD EUROPEAN & BRILLIANT DIAMOND PLATINUM ART DECO RINGModern Jewelry4.5(203)$4,5503 days Left
Vintage 1950's 14K White Gold 1.90 Ct Diamond Ring with 18 Accent DiamondsBidhaus4.2(836)$1002 days Left
Art Deco Platinum Ring with 1.35 Ct European Diamond and 22 Accent DiamondsBidhaus4.2(836)$1003 days Left
Art Deco Platinum Ring with Rose Cut Diamonds 1.20 Inch Long Size 8.25Bidhaus4.2(836)$100Feb 05, 2026
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
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
SoldMid Century Platinum Diamond RingMETAL: Platinum. GEMSTONES: Center diamond approx. 1.00-1.10ct (imperfect) , surrounding diamonds approx. 0.47ctw. MEASUREMENTS: Ring size 5 1/2, ring top 16mm wide. MARKED: 10%Irid Plat. WEIGHT: 8.8See Sold Price
SoldMid Century Platinum Diamond RingMETAL: Platinum. MEASUREMENTS: Ring size - 7.5, ring top - 13mm x 20mm. GEMSTONES: Diamonds approx. 1.40ctw. MARKED: 10% irid. plat. WEIGHT: 5.5 grams.Gemstones have not been graded for color and clarSee 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
SoldMid Century Platinum Diamond RingMETAL: Platinum. GEMSTONES: Diamonds approx. 1.00ctw. MEASUREMENTS: Ring size 8, top is 11.5mm. TESTED: Plat. WEIGHT: 7.4 grams.Gemstones have not been graded for color and clarity, and tested for claSee Sold Price
SoldMid Century Platinum Diamond RingMETAL: platinum. GEMSTONES: diamonds-approx. 0.80ctw. MEASUREMENTS: ring size 6.5. Ring top is 10mm at widest point. MARKED: 10% Irid Pt. WEIGHT: 6.2 grams.Gemstones have not been graded for color andSee 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
SoldMid Century Platinum Diamond Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size - 4.5, ring top - 16mm wide. Center will fit approx. 8.8mm stone. Shank is bent. GEMSTONES: Diamonds in the setting. MARKED: Engraved initials " A to M&quSee Sold Price
SoldMid Century Platinum Diamond Ring SettingMetal : Platinum Designer : Not Signed Gemstone : Diamonds approx. 0.72ctw Measurements : Ring size 4, center will fit approx. 7mm stone Marked: : Tested - Plat Weight: : 4 gSee Sold Price
SoldMid Century Platinum Diamond Ring MountingRing mounting will fit approx. 9mm round stone. Ring size 4.5. Tested platinum. Inside shank engraved "Claude, 31-5-54". Weight - 4.3 grams. Gemstones have not been graded for color and clarSee Sold Price
SoldMid Century Platinum Diamond Ring MountingMETAL: platinum. GEMSTONES: diamonds. MEASUREMENTS: ring size 6.5. Ring center will keep approx. 8mm stone. TESTED: platinum. WEIGHT: 5.6 grams.Gemstones have not been graded for color and clarity ,anSee Sold Price
SoldMidcentury Platinum Diamond RingMETAL: Platinum. MEASUREMENTS: Ring size 10, ring top is 21mm x 18mm. GEMSTONES: Diamonds approx. 2.00-2.20ctw (one larger stone is chipped). TESTED: Plat. WEIGHT: 4.9 grams.Gemstones have not been grSee 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
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
SoldMidcentury Platinum Diamond RingMETAL: Platinum. GEMSTONES: Diamonds approx. 1.00-1.15ctw. MEASUREMENTS: Ring size 6 3/4, top is 15.9mm. MARKED: 10%Irid Plat (partially polished off). WEIGHT: 5.5 grams.Gemstones have not been gradedSee Sold Price
SoldMidcentury Platinum Diamond RingMETAL: Platinum. MEASUREMENTS: Ring size 5.75, top is 15mm x 15mm. GEMSTONES: Diamonds approx. 0.50ctw. TESTED: Plat. WEIGHT: 3.2 grams.Gemstones have not been graded for color and clarity, and testedSee Sold Price
SoldMidcentury Platinum Diamond Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size 10.5, ring top is 15mm wide, center will fit approx. 7.3mm stone. GEMSTONES: Diamonds approx. 0.65ctw. TESTED: Plat. WEIGHT: 7.2 grams.Gemstones have not beenSee Sold Price
SoldMidcentury Platinum Diamond Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size 5.5, center will fit approx. 11.8mm stone. GEMSTONES: Diamonds approx. 0.50ctw. TESTED: Plat. WEIGHT: 5.5 grams.Gemstones have not been graded for color and clSee Sold Price
SoldMidcentury Platinum Diamond RingMetal : Platinum Designer : Not Signed Gemstone : Diamonds approx. 0.60ctw. Measurements : Ring size 6.25, width 7mm. Marked: : Tested plat. Weight: : 6.7 grams CoSee Sold Price
SoldMid Century Platinum Diamond Opal RingBlack opal surrounded by baguette and brilliant cut diamonds in a floral motif. Opal 6.24 carats, diamonds 1.79 ctw. Ring measures 7/8 x 1 x 1 1/4 T. Weight 14g. Excellent condition.See Sold Price
SoldMid Century Platinum Diamond Ballerina RingMetal : Platinum Designer : Not Signed Gemstone : Diamonds approx. 3.30ctw (center approx. 0.75ct H-I/VS2-SI1). Measurements : Ring size 5.75, top is 20mm in diameter. Marked: : PlatinSee Sold Price
SoldMid Century Platinum Diamond Pearl RingMETAL: Platinum. GEMSTONES: Diamonds approx. 1.10ctw. Pearl - 7.1mm. MEASUREMENTS: Ring size 6 3/4, top is 7.9mm. TESTED: Plat. WEIGHT: 6 grams.Gemstones have not been graded for color and clarity ,anSee Sold Price
SoldMid Century Platinum Diamond Engagement Ring MountingMounting features approx. 0.26ctw of diamonds. Center will fit approx. 8.5mm round stone. One prong is bent. Ring size 7.75. Tested platinum. Weight - 7.7 grams. Gemstones have not been graded for colSee Sold Price
