Antique Russian Siberian Amethyst and Demantoid Earrings made in St. Petersburg between 1899 and 1904 The 14K gold earrings are prong-set with two exceptional Siberian amethysts. It is very rare to see a pair of perfectly matched Siberian amethysts of that size: 14 x 13 x 11 mm (approximately 11.67 ct) and 14 x 13.1 x 11.2 mm (approximately 11.98 ct).
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