Our master goldsmith's work: Gem quality boulder in a modern timeless pendant. The bright blue green Queensland opal is in a hammered matt finish, set off by a two point diamond in the bottom set in 18 kt yellow gold. The bail fits a 2.6 mm choker or chain. 
Opal size 21 x 10 x 18 mm. Pendant size 23.5 x 29 mm.