An impressive solid opal and diamond drop necklace, 18ct yellow and white gold, handcrafted and retailed by C.A. Bochert Sydney, featuring a central drop pendant set with solid oval cabochon opal, weighing, approximately 9.20ct, strong green, blue, aqua and gold in colour, bezel set, in an open backed mount, framed by a curved rail of grain set diamonds, connecting to a fancy linked necklace of flared pave set diamond panels, tapering in size and merging to finer gold links, fitted with clasp. Boxed.