Australian boulder opal doublet set in 18K Gold surround by textured 18K gold/sterling silver bimetal with a diamond off to the side. This pretty opal has great play of color with flashes in neon blue and green. The “wave pattern” surrounding the opal gives the piece and oceanic feel. The attached chain is 14K yellow gold and adjustable to 18” long. This piece is One of a Kind and signed.