An 18 Karat Yellow Gold Diamond and Opal Demi Parure, the front of the necklace containing 17 oval cabochon cut crystal opals measuring approximately 6.50 x 5.00 mm within recessed collet links joined with fluted gold links and X links containing numerous round brilliant cut diamonds weighing approximately 0.84 carat total, the back chain composed of fluted and geometric motif links, together with a pair of matching earclips containing six oval cabochon cut crystal opals and numerous round brilliant cut diamonds weighing approximately 1.00 carat total.Stamp: 18K (maker's mark). 99.90 dwts.