3 days LeftTWO 19TH CENTURY BRITISH WORKS ON PAPER. [2].Est. $300-$500$150Clarke Auction GalleryLarchmont, NY
Ends in 6d 11hNatural Ametrine Gemstone: 35.00 CT Cushion Cut, February BirthstoneEst. $400-$500$170Jasper52New York, NY
Ends in 6d 10hSwiss Blue Topaz Gemstone For Jewelry, Flawless Topaz Loose Gemstone, 19.35Est. $350-$400$140Jasper52New York, NY
Buy NowVista Blue Color Tourmaline Gemstone: Natural October Birthstone, Africa (2.08 CT)$300Jasper52New York, NY
Ends in 6d 11hFountain Blue Tourmaline Gemstone: Natural October Birthstone, Afghanistan (2.13 CT)Est. $350-$400$150Jasper52New York, NY
Buy NowCyan Blue Tourmaline Gemstone: Natural October Birthstone, Africa (2.73 CT)$320Jasper52New York, NY
Buy NowMulti Color Tourmaline Gemstone: Natural October Birthstone, Africa (2.78 CT)$500Jasper52New York, NY
Ends in 6d 9hChinook Color Tourmaline Gemstone: Natural October Birthstone, Africa (2.44 CT)Est. $300-$350$120Jasper52New York, NY
3 days LeftALEXANDER KALETSKI (AMERICAN, b. 1946).Est. $500-$700$250Clarke Auction GalleryLarchmont, NY
Buy NowVista Blue Color Tourmaline Gemstone: Natural October Birthstone, Africa (2.08 CT)$300Jasper52New York, NY
Ends in 6d 10hEmerald Cut Bolivian Ametrine Gemstone Pair: 11.30 CT, Royal Purple/Mango YellowEst. $550-$700$220Jasper52New York, NY
Buy NowEmerald Cut Bolivian Ametrine Gemstone Pair: 11.30 CT, Royal Purple/Mango Yellow$450Jasper52New York, NY
Buy NowBlue Green Tourmaline Gemstone: Natural October Birthstone, Africa (2.54 CT)$300Jasper52New York, NY
Buy NowBlue Indicolite Tourmaline Gemstone: Emerald Cut, 1.03 CT, October Birthstone$200Jasper52New York, NY
Buy NowBlue Green Tourmaline Gemstone: Natural October Birthstone, Africa (1.96 CT)$250Jasper52New York, NY
3 days LeftCLIFFORD MITCHELL JR. (AMERICAN, 1925-2005).Est. $300-$500$150Clarke Auction GalleryLarchmont, NY
FEATUREDEnds in 6d 7hEmerald Cut Bolivian Ametrine Gemstone Pair: 10.10 CT, Royal Purple/Mango YellowEst. $600-$700$240Jasper52New York, NY
Ends in 6d 10hEmerald Cut Ametrine Gemstone: Natural Bolivian February Birthstone (54.52 CT)Est. $550-$700$220Jasper52New York, NY
Buy NowChinook Color Tourmaline Gemstone: Natural October Birthstone, Africa (2.44 CT)$250Jasper52New York, NY
Jul 25, 2026Natural Yellow Beryl, Oval Mixed Cut, 7.25 ct, IDT CertifiedEst. $300-$400$200Chan & Scott Auction HouseLinghem, Ostergotland
Buy NowChinook Color Tourmaline Gemstone: Natural October Birthstone, Africa (2.44 CT)$250Jasper52New York, NY
Buy NowNeon Pink Tourmaline Gemstone: Natural October Birthstone, Africa (2.37 CT)$200Jasper52New York, NY