From Brooke's Palomino Collection one of a kind 18k gold Boulder Opal necklace with white Diamond pave. ________ 18k gold georgian style bezel boulder opal necklace with diamond pavé details and 18k gold chain. 18k yellow gold Carat weight opal 2.09ct, diamond .18ct Pendant 16mm x 9mm 18" chain length with adjustable loop at 16.5" (46-42cm) One of a kind item