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
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
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
Sold2024Mid Century Platinum Diamond Engagement RingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.60ctw. MEASUREMENTS: Ring size 4, top is 11mm. TESTED: Plat. WEIGHT: 6.1 grams.Gemstones have not been graded for color and clarity, and tested for clariSee Sold Price
Sold2021Mid Century Platinum Diamond Engagement Ring Lot of 2METAL: Platinum. GEMSTONES: Diamonds approx. 0.21ctw. MEASUREMENTS: Ring sizes are 6 and 4 3/4. MARKED/TESTED: 10%Irid, Platinum/ Plat. WEIGHT: 6.3 grams.Gemstones have not been graded for color and cSee Sold Price
Sold2024Midcentury Platinum Diamond Engagement Ring SettingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.05ctw. MEASUREMENTS: Ring size 5, center will fit approx. 8.5mm stone. TESTED: Plat. WEIGHT: 4.1 grams.Gemstones have not been graded for color and clariSee Sold Price
Sold2023Midcentury Platinum Diamond Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size 5.75, center will fit approx. 10.7mm stone. GEMSTONES: Setting diamonds. TESTED: Plat. WEIGHT: 4.1 grams.Gemstones have not been graded for color and clarity ,See Sold Price
Sold2022Midcentury Platinum Diamond Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size 5.5, center will fit approx. 8 x 8mm stone. GEMSTONES: Diamonds approx. 0.06ctw. MARKED: 10% irid. plat. WEIGHT: 4.9 grams.Gemstones have not been graded for cSee Sold Price
Sold2022Midcentury Platinum Diamond Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size 5.5, center will fit approx. 5.3mm stone. GEMSTONES: Side diamonds. MARKED: I30 irid. plat. WEIGHT: 3.5 grams.Gemstones have not been graded for color and clarSee Sold Price
Sold2022Midcentury Platinum Diamond Engagement Wedding Ring SetMETAL: Platinum. MEASUREMENTS: Ring sizes - 5.5 (band) and 6 (engagement). Center of the engagement will fit approx. 6mm stone. GEMSTONES: Diamonds approx. 0.26ctw (one is missing). MARKED: 10% irid.See Sold Price
Sold2022Midcentury Platinum Diamond Engagement Wedding Ring SetMETAL: Platinum. MEASUREMENTS: Ring sizes - 6 (engagement) , wedding band is bent - size approx. 6.25. Center will fit approx. 6.3 x 6.3mm stone. GEMSTONES: Diamonds in the band. WEIGHT: 7.2 grams.GemSee Sold Price
Sold2022Midcentury 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
Sold2023Vintage Platinum diamond and sapphire engagement ringTitle: Vintage Platinum diamond and sapphire engagement ring Additional Information: Vintage from the 1950s Size: 4 3/4 US Materials: Platinum Gemstone: Sapphire Style: Mid-century Description AdorablSee Sold Price
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
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 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
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
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
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
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
May 23FellowsAn early to mid 20th century platinum brilliant-cut diamond two-stone crossover ring, withÂŁ640
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May 23FellowsA pair of mid 20th century platinum diamond, ruby and garnet earrings. Estimated total diamondÂŁ5,400
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6 days LeftKotler Galleries & AuctioneersART DECO 1.70CT DIAMOND PLATINUM ENGAGEMENT RING c 1925 A finely crafted C1925 Art Deco Platinum$8,000