Diane Kordas 18-Karat Rose Gold Five Star Chain Necklace with White Diamonds. \"I believe jewels need to be worn in order to be appreciated, and the real test is whether the piece sits comfortably against the skin,\" says Diane Kordas. Beautifully made from 18-karat rose gold, this necklace features diamond-studded stars totaling 0.27-carats that sparkle as they catch the light. The chain adjusts to two different lengths to suit your outfit. Round-cut F-G VS diamonds, total weight: 0.27-carats, Lobster clasp fastening.