Art Deco “Fire Opal” necklace, frosted rock crystal round beads and four sided custom rock crystal bezels set in 18K yellow gold with 16 round–cut accent diamonds featuring five large natural fire opals (G.I.A certificate, dimension of each fire opal, 13.00 x 8.15 x 6.20mm for a TW of approx. 17.50 carats), c. 1940’s
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