Lot 398 , An unusual sphalerite and diamond ring

An unusual sphalerite and diamond ring, claw-set with a cushion-shaped sphalerite measuring approximately 8.9 x 8.9 x 5.4mm, between shoulders set with trios of brilliant-cut diamonds totalling approximately 0.18 carats, mounted in 18ct white gold, size N, British hallmarks, gross weight approximately 4 grams
£200-300

Sold for £420