Bidspirit auction | An Incredible 19.26ct Boulder Opal

An Incredible 19.26ct Boulder Opal and Diamond Pendant Necklace - A necklace crafted from 18 karat white gold featuring a centered integral pendant with a large freeform triangular-cut boulder opal. The 19.26ct opal is bezel-set with a milgrain border and exhibits a spectral play-of-color including green, blue, and orange hues across the face. The underside of the stone reveals its natural ironstone matrix. The pendant is flanked by accent links: one flower-shaped link grain-set with seven round brilliant-cut natural diamonds and one single bezel-set round brilliant-cut natural diamond, totaling 0.22ctw. The necklace incorporates a wheat-link chain finished with a spring ring clasp. The reverse of the floral link is stamped 18KWG and 19.26. The pendant frame is stamped D 0.22. The clasp tag is stamped 18KWG. Pendant width: 4.5 cm (1.77 inches). Overall length: 33 cm (13 inches). 16.1 grams