4 days LeftTiffany & Co. Retro Clip Brooch in Platinum 14K Gold with Diamonds Rubies 1940sEst. $3,510-$4,563$100BidhausNew York, NY
22 hrs LeftVintage 14k Rose Gold Platinum 3.84ctw Diamond Ruby Bow BroochEst. $4,862-$6,320$100BidhausNew York, NY
Jul 27, 2026GIA Certified 169.84ctw Sapphire Emerald Ruby Diamond Necklace in Platinum GoldEst. $95,069-$123,589$100BidhausNew York, NY
2 days LeftEdwardian Platinum Brooch with 2 Rubies and 7 Carats Old Cut DiamondsEst. $18,447-$23,981$100BidhausNew York, NY
22 hrs LeftGIA Certified 3.52ct No Heat Ruby Platinum Halo RingEst. $12,337-$16,038$100BidhausNew York, NY
13 hrs LeftAntique Art Deco Platinum GIA Burma Ruby Diamond Statement Ring 3.55ctEst. $16,263-$21,141$100BidhausNew York, NY
Jul 26, 2026Platinum 12.62ct Star Ruby Ring with Diamond HaloEst. $3,913-$5,086$100BidhausNew York, NY
3 days LeftPlatinum Art Deco Brooch with Diamonds and Rubies 2.25 x 1.25 InchesEst. $3,783-$4,917$100BidhausNew York, NY
Jul 20, 2026GIA Burma Ruby Diamond Platinum Cocktail Ring Size 6Est. $14,378-$18,691$100BidhausNew York, NY
Jul 28, 2026Two Tone Platinum Ladies Ring with 5.29ct GIA Certified Ruby and 1.67tcw DiamondsEst. $26,250-$30,025$50Riverside GalleriesArcadia, CA
22 hrs LeftElegant Platinum 0.96ctw Oval Ruby and Diamond Band RingEst. $2,444-$3,177$100BidhausNew York, NY
2 days LeftPlatinum GIA Certified 2.22ct No Heat Oval Ruby Diamond Halo RingEst. $7,722-$10,038$100BidhausNew York, NY
2 days LeftDavid Webb Platinum 18K Gold Ruby Emerald Diamond Clip EarringsEst. $17,095-$22,223$100BidhausNew York, NY
2 days LeftHarry Winston Vintage Platinum 7 Charm Bracelet with Diamonds and RubiesEst. $21,515-$27,969$100BidhausNew York, NY
Jul 29, 2026Art Deco Platinum Duck Brooch with 114 Diamonds Onyx RubiesEst. $5,408-$7,030$100BidhausNew York, NY
13 hrs LeftGIA Certified Platinum Ruby Diamond Cluster Cocktail Ring Size 5Est. $4,862-$6,320$100BidhausNew York, NY
2 days LeftHarry Winston Vintage Platinum 7 Charm Bracelet with Diamonds and RubiesEst. $21,515-$27,969$100BidhausNew York, NY
5 days LeftGIA Certified Platinum Ruby Diamond Flower Halo Ring Size 6.5Est. $5,811-$7,554$100BidhausNew York, NY
6 days LeftGIA Certified Burma Ruby Diamond Bracelet in Platinum and 18K GoldEst. $52,416-$68,140$100Mynt AuctionsNew York, NY
Jul 26, 2026GIA Certified Platinum Ruby Diamond Drop Earrings 4.22ctwEst. $28,626-$37,213$100BidhausNew York, NY
Jul 30, 2026Stunning GIA Certified 3.20ct Ruby Diamond Platinum Ballerina RingEst. $5,811-$7,554$100BidhausNew York, NY
2 days LeftVintage GIA Certified 4.49ctw No Heat Star Ruby Diamond Cocktail Ring in PlatinumEst. $2,964-$3,853$100BidhausNew York, NY
5 days LeftPlatinum Solitaire Ring with GIA Certified Burma Ruby and Diamond AccentsEst. $9,607-$12,489$100BidhausNew York, NY