22K Yellow Gold Uncut Diamond Necklace W/16.8ct Uncut Diamonds, Rubies, Emeralds & Drop Pearls for women. This stunning 22K yellow gold necklace is beautifully embellished with 16.8ct uncut diamonds, precious rubies and emeralds with an underlining of drop pearls. The necklace is 15 inches long with a width range of 2.2-32.6 mm. This piece has a total weight of 80.62 grams.