11 hrs LeftPlatinum 14.63ct Blue Sapphire Diamond Double Halo Pendant NecklaceEst. $3,913-$5,086$100BidhausNew York, NY
11 hrs LeftAntique Edwardian Platinum 1.46ctw Old Mine Diamond Brooch PinEst. $2,639-$3,430$100BidhausNew York, NY
2 days LeftVintage Platinum GIA Certified 5.41ct Blue Sapphire Diamond Halo RingEst. $9,620-$12,506$100BidhausNew York, NY
1 day LeftAntique 19" GIA Certified Akoya Pearl Necklace with Platinum Diamond ClaspEst. $3,393-$4,410$100BidhausNew York, NY
1 day LeftFrench Art Deco Diamond Platinum Double Clip Brooch 4.25 ctEst. $27,287-$35,473$20,750Mynt AuctionsNew York, NY
1 day LeftDavid Webb Vintage Platinum 18K Gold Amethyst Diamond Emerald Clip-On EarringsEst. $21,775-$28,307$100BidhausNew York, NY
1 day LeftPlatinum GIA Certified 2.56ctw No Heat Periwinkle Blue Sapphire Diamond RingEst. $3,393-$4,410$100BidhausNew York, NY
2 hrs LeftVintage Michael Bondanza 18k Gold Platinum Diamond Spider BroochEst. $5,343-$6,945$100BidhausNew York, NY
5 hrs LeftDiamond Bangle Bracelet in Platinum and 18K Yellow Gold 27.5 ctsEst. $49,699-$64,608$100Mynt AuctionsNew York, NY
11 hrs LeftDavid Webb 1960s Emerald Ruby Diamond Pendant Brooch in Platinum & 18K GoldEst. $64,636-$84,026$100BidhausNew York, NY
2 days LeftTiffany & Co. 0.7 ct VVS1 Round Diamond Engagement Ring PlatinumEst. $7,449-$9,683$100BidhausNew York, NY
Live NowArt Deco Platinum and 14k White Gold Diamond Wreath Dangle Brooch Circa 1920sEst. $3,900-$5,070$100(1 bid)BidhausNew York, NY
1 day LeftVintage Platinum 2.40ctw Emerald Marquise Diamond Cocktail RingEst. $3,913-$5,086$100BidhausNew York, NY
4 days LeftGIA No Heat Sapphire Diamond Leaf Climber Earrings PlatinumEst. $12,142-$15,784$100BidhausNew York, NY
1 day LeftPlatinum Cocktail Ring 5.59ctw Oval Blue Aquamarine with Diamond AccentsEst. $2,015-$2,619$100BidhausNew York, NY
2 days LeftAntique Edwardian Gold Platinum GIA Black Opal Diamond Halo RingEst. $16,276-$21,158$8,500BidhausNew York, NY
11 hrs LeftAntique Edwardian 14K Gold & Platinum Blue Stone Pendant NecklaceEst. $1,248-$1,622$100(1 bid)BidhausNew York, NY
11 hrs LeftPlatinum 5.1ctw Grayish Green Cat's Eye Diamond Cocktail RingEst. $2,964-$3,853$100BidhausNew York, NY
1 day Left18k Yellow Gold Platinum 2.82ctw Ruby Diamond Baguette RingEst. $2,821-$3,667$1,750BidhausNew York, NY
1 day LeftPlatinum GRS 2.29ctw Green Demantoid Garnet Diamond Double Halo RingEst. $8,632-$11,221$100Mynt AuctionsNew York, NY
2 days LeftPlatinum GIA Certified 5.89ct Oval Blue Sapphire Diamond Halo Pendant NecklaceEst. $6,760-$8,788$100Mynt AuctionsNew York, NY
4 days LeftArt Deco Vintage Platinum Diamond Brooch 10.50ct Split DesignEst. $12,038-$15,649$100Mynt AuctionsNew York, NY
3 days LeftVintage Platinum GIA Certified 5.75ct Blue Star Sapphire Ring with Baguette DiamondsEst. $3,913-$5,086$100BidhausNew York, NY
7 hrs LeftAntique Art Deco Diamond Crown & Sceptre Brooch in Platinum and GoldEst. $2,483-$3,227$1,375BidhausNew York, NY