11 - Amethyst (9.75 ct, 14×11 mm)Beck Auctions inc.
A single 9.75-carat oval faceted amethyst featuring a soft lilac purple color. Transparent and eye-clean with no applied treatments. Estimated retail
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12 - Chrysocolla (63.6 ct, 40×27 mm)Beck Auctions inc.
A large, 63.6-carat oval cabochon chrysocolla displaying bold green and blue coloration. Opaque with natural inclusions and no treatments. Estimated r
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15 - Ametrine (7.8 ct, 18×11 mm)Beck Auctions inc.
A natural 7.8-carat ametrine cut into a unique bufftop trapezoid laser-faceted style. Transparent with purple and tan color zones and a crush mark on
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