Extravagant ring with aquamarine of about 16 ct.

Exceptional ring with octagonal faceted aquamarine ca. 16 ct, min. chipped, flanked by 2 brilliant-cut diamonds totalling ca. 0.4 ct, ca. WHITE (H)/VS, 14K yellow gold, diamonds set in platinum, 17.7 g, ring size 53, 1950s, good condition, elaborately handcrafted, unique piece.