Sold2018Diamond, Platinum, White Gold Ring The ring feaDiamond, Platinum, White Gold Ring The ring features a round brilliant-cut diamond measuriSee Sold Price
Sold2018Ruby, Diamond, Platinum, Rose Gold Ring, BuccellRuby, Diamond, Platinum, Rose Gold Ring, Buccellati The ring features a round-cut ruSee Sold Price
Sold2022Platinum and Diamonds 1.25 CTTW Eternity Band RingLadies diamond and platinum eternity band ring. Features round cut diamonds, prong set, in platinum. Size 8. Measures 3.5mm wide. Total approximate diamond weight 1.25 carats. Weighs 4.3 grams. ConditSee Sold Price
Sold2020A Platinum Diamond Ring with Band1) Platinum ring features a round diamond weighing approx. .25 ct, with two round side diamonds, sz 6.5, and 2) platinum band with seven round diamonds, sz 6.25, 4.8 grams twSee Sold Price
Sold2022Andreoli 10.04 Carat Emerald CDC Certified Diamond Platinum Engagement RingAndreoli 10.04 Carat Emerald CDC Certified Diamond Platinum Engagement RingThis Andreoli ring Features:2.98 Carat Round Brilliant Diamonds (F-G-H Color, VS-SI Clarity)10.04 Carat Emerald CDC SwitzerlaSee Sold Price
2023Estate Platinum and Diamond RingEstate Platinum and Diamond Ring. The ring features an endless design centrally set with a row of 18 round cut diamonds weighing approx. .55cts. The ring weighs 4.10dwt6.40. The ring is a size 6 1/4.See Sold Price
Sold2020Tiffany & Co. Fancy Intense Yellow Diamond PlatinumClassic Tiffany & Co. diamond & platinum engagement ring. Features a stunning 4.02-carat round brilliant cut fancy intense yellow diamond in a signature 6-prong Tiffany setting made of 18 karat yellowSee Sold Price
Sold2016Platinum Diamond Ruby RingPlatinum Diamond Ruby Ring. This attractive cocktail ring features an oval-cut ruby center stone surrounded by a 8 white round diamonds creating a beautiful flower design. Total diamond weight is apprSee Sold Price
20202.01 Carat D VVS2 GIA Diamond Platinum Ring by ErnieSuperb quality diamond ring! Features an as white as it can get cushion cut diamond flanked with two rare "Cadillac" shaped diamonds all framed with a row of macropave set round brilliant cut diamondsSee Sold Price
Sold20225.16ct Ruby and 0.48ctw Diamond Platinum RingThis 5.16ct ruby and 0.48ctw diamond platinum ring is available in a size 7 1/4. This ring features a beautiful 5.16ct ruby center stone surrounded by 36 round brilliant cut diamonds.See Sold Price
Sold20225.16ct Ruby and 0.48ctw Diamond Platinum RingThis 5.16ct ruby and 0.48ctw diamond platinum ring is available in a size 7 1/4. This ring features a beautiful 5.16ct ruby center stone surrounded by 36 round brilliant cut diamonds.See Sold Price
Sold2023Platinum Art Deco 2.05CTTW Diamond Sz 5.5 Ring 14gLadies impressive platinum and natural diamond ring. Features a round cut center stone with an approximate weight of .85 carats. The center stone is flanked by round pave and prong set diamonds. The sSee Sold Price
Sold2017.900 PLATINUM DIAMOND SAPPHIRE CLUSTER SWIRL RING.900 PLATINUM DIAMOND SAPPHIRE CLUSTER SWIRL RING Ladies Fine .900 Platinum Set Sapphire Cluster Diamond Swirl Fashion Ring. Ring features 12 graduated brilliant round diamonds accenting the sides, raSee Sold Price
Sold2018Blue Star Sapphire Diamond Gemstone, Platinum RingLadies vintage diamond and star sapphire ring. Features an oval blue star sapphire cabochon with three round cut and prong set diamonds set around the 9mm x 7.5mm x 7.25mm cabochon. Size 6. Weighs 4.7See Sold Price
Sold2015Platinum Two Stone Diamond RingPlatinum Two Stone Diamond Ring. This eye catching platinum ring features two central old European cut round diamonds, the first of which is approximately 1.27 ct.*, VS2 in clarity, and K in color, anSee Sold Price
Sold2021Platinum Diamond Ring c.1930Metal: Platinum Weight: 4.7 Grams Stone: Diamond Carat: 0.65ct (center dia), 0.63ctw (accenting dia) Size: 6 Features round cut center Diamond with round cut Diamond accentsSee Sold Price
Sold201810% Iridium Platinum And Diamond RingLady's 10% Iridium Platnum and diamond with trademarked "ZELL". The ring features a diagonal row of three round diamonds, each approximately 0.50ct., averaging SI1 - SI2 clarity and H-I color. The bypSee Sold Price
Sold2022Platinum Diamond RingMetal: Platinum Weight: 9.80 Grams Stone: Diamond Carat: 0.42ctw Size: 6 Description: Features round cut Diamonds.See Sold Price
Sold2022Platinum Diamond RingMetal: Platinum Weight: 6.7 Grams Stone: Diamond Carat: 1.40ctw Size: 7 Description: Features round cut Diamonds.See Sold Price
Sold20231.54 CT Diamond Solitaire Ring with Baguette SidesEarth-Mined Diamond Ring. Great quality diamonds in luxurious and durable platinum! This platinum ring features a 1.54 carat round, brilliant-cut, F color, I1 clarity diamond that is prongSee Sold Price
Sold2020VINTAGE PLATINUM & DIAMOND ENGAGEMENT RING SET.American, 4th Qtr-20th century. Engagement ring features center old European cut diamond, slightly out of round, weighing approx. 1.18ct, nick on girdle, VS/SI clarity, J color. Center diamond flankedSee Sold Price
Sold2016Michael B. Platinum Diamond Engagement Ring MountingRing features approx. 225 diamonds in the eternity shank. Center will fit approx. 8.5mm round stone or 6mm x 6mm square. Ring size 7.5. Band measures 5mm wide. Marked Michael B., 06, PT90%. Weight - 1See Sold Price
Sold2016Platinum Diamond Engagement Ring MountingPlatinum ring features two baguette diamonds on either side of mounting totaling approx. 0.20ctw. Center will fit approx. 8mm round stone. Ring size 5.75. Marked Plat,10% Irid. Weight- 5.6 grams. GemsSee Sold Price
Sold2015Harry Winston 18k Platinum Sapphire & Diamond RingThe ring features, oval cushion mixed cut natural sapphire weighing approximately 3.88ct. with 320 round brilliant cut natural diamonds weighing approximately 5.75ct mounted in a platinum and 18k settSee Sold Price
1 day LeftMost Elite Collections LLCRound Brilliant 3.02 ct VVS2 Clarity, F Color Diamond Platinum Solitaire RingUS$100,000
1 day LeftMost Elite Collections LLCRound Brilliant 2.35 ctw VS1 Clarity, H Color Diamond Platinum Halo RingUS$19,000
3 days LeftJasper52Cushion Cut Diamond Platinum Ring Art Deco circa 1920s 3.02-carat GIA G SI1US$46,000
1 day LeftMost Elite Collections LLCRound Brilliant 3.04 ctw VVS1 Clarity, G Color Diamond Platinum Halo Wedding RingUS$42,500
267 Lots AwayArk Auctions IncBlue Nile Three Row Sapphire And Diamond Engagement Platinum Ring With GIA & BlueNile CertificationUS$6,000