Sold2016Mid 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
Sold2021Mid 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
Sold2024Mid 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
Sold2022Mid Century Platinum Diamond Ring MountingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.65ctw. Center of the ring will keep approx. 9mm in diameter stone. Prongs are missing. MEASUREMENTS: Ring size 5 1/2, ring top is 14mm wide. TESTED: PlatSee Sold Price
Sold2016Mid 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
Sold2016Mid 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
Sold2018Mid 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
Sold2016Mid 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
Sold2016Mid Century Platinum Diamond Engagement Ring MountingMETAL: Platinum. GEMSTONES: diamonds approx. 0.50ctw. MEASUREMENTS: ring size-5, mounting will fit approx. 9mm round stone. Ring top is 14.5mm. TESTED: Platinum. WEIGHT: 7.9 grams. Gemstones have notSee Sold Price
Sold2020Mid 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
Sold2018Mid 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
Sold2024Mid 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
Sold2018Mid 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
Sold2021Mid 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
Sold2022Midcentury 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
Sold2022Midcentury 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
Sold2023Midcentury 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
Sold2022Midcentury 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
Sold2022Midcentury Platinum Diamond Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size 5, top is 17mm wide. Center will fit approx. 7.7 x 7.7mm stone. GEMSTONES: Diamonds approx. 55 stones total. TESTED: Plat. WEIGHT: 8.9 grams.Gemstones have notSee Sold Price
Sold2020Mid 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
Sold2023Mid 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
Sold2023Mid Century Platinum Diamond Sapphire RingMetal : Platinum Designer : Not Signed Gemstone : Diamonds approx. 1.00-1.20ctw SI/I. Sapphire Measurements : Ring size 8 3/4, top is 11.5mm wide Marked: : Tested - Plat Weight:See Sold Price
Sold2020Mid Century Platinum Diamond Pearl RingPlatinum Mid century ring with 8.8mm pearl, surrounded with approx. 0.56ctw in diamonds. Ring size - 6.25, ring top is 13mm wide. Tested Plat. Weight - 6.3 grams.See Sold Price
Sold2021Mid Century Platinum Diamond Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size - 6, ring top is 14.5mm in diameter. Center will fit approx. 9.5mm stone. GEMSTONES: Diamonds approx. 0.40ctw. TESTED: Plat. WEIGHT: 7 grams.Gemstones have notSee Sold Price
2 days LeftFellowsAn early to mid 20th century platinum brilliant-cut diamond two-stone crossover ring, with£640
2 days LeftFellowsA mid 20th century platinum vari-cut diamond and emerald floral bombé ring. Principal diamond£2,200
2 days LeftFellowsA mid 20th century platinum and 18ct gold graduated brilliant-cut diamond five-stone ring. Estimated£360
2 days LeftFellowsA mid 20th century platinum and gold, ruby cabochon and brilliant-cut diamond cluster ring. Ruby£1,300
May 31Miami Auctions & Appraisals LLC 9.89 carats No-Heat Ceylon GIA Sapphire Fancy Diamond three stone Platinum Ring$28,500
2 days LeftFellowsA gentlemans mid 20th century platinum diamond and onyx dress set, comprising a pair of cufflinks,£3,200
2 days LeftFellowsA pair of mid 20th century platinum diamond, ruby and garnet earrings. Estimated total diamond£5,400
2 days LeftFellowsA mid 20th century platinum vari-cut diamond double clip brooch. Estimated total diamond weight£500(1 bid)
2 days LeftFellowsA mid 20th century platinum vari-cut diamond brooch. Estimated total diamond weight 2.50cts, G-I£900
2 days LeftFellowsAn early 20th century platinum old-cut diamond single-stone ring. Principal diamond estimated weight£900
2 days LeftFellowsAn early 20th century platinum square-shape cushion-cut diamond ring, with single-cut diamond£460
2 days LeftFellowsA pair of mid 20th century platinum pavé-set diamond floral earrings. Estimated total diamond£720
2 days LeftFellowsA pair of early to mid 20th century platinum old-cut diamond clips. Estimated total diamond weight£9,000
2 days LeftFellowsA mid 20th century platinum vari-cut diamond geometric brooch.Principal old-cut diamond estimated£1,000
2 days LeftFellowsAn early to mid 20th century platinum old-cut diamond bracelet.Total diamond weight 7.90cts, marked£6,500
2 days LeftFellowsA mid 20th century platinum brilliant-cut diamond floral spray brooch. Estimated total diamond£1,200
2 days LeftFellowsAn early to mid 20th century platinum old-cut diamond bar brooch.Estimated total diamond weight£1,800
2 days LeftFellowsA mid 20th century sapphire and diamond ring. Sapphire calculated weight 1.72cts, based on estimated£400
2 days LeftFellowsA pair of mid 20th century platinum sapphire and diamond earrings. Estimated total diamond weight£2,000