AN IMPRESSIVE ANTIQUE RUSSIAN AMETHYST AND DIAMOND RING
Designed as an oval amethyst and rose-cut diamond cluster within an old-cut diamond border, foliate diamond-set shoulders, mark for St. Petersburg 1908-1926, indistinct maker's mark
AN IMPRESSIVE ANTIQUE RUSSIAN AMETHYST AND DIAMOND RING
Designed as an oval amethyst and rose-cut diamond cluster within an old-cut diamond border, foliate diamond-set shoulders, mark for St. Petersburg 1908-1926, indistinct maker's mark
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