18 karat yellow gold, blue moonstone and diamond necklace by Temple St. Claire with a signature lobster clasp and an adjustable length from 18 to 20 inches. 79 marquise shape bezel set moonstones equal 28.30 carat total weight and 57 round brilliant cut diamonds in G color, VS clarity equal 1.17 carats total weight. The necklace weighs 31.20 dwt.

Retail $18,500, yours for $10,500.