22K Yellow Gold Uncut Diamond Mango Necklace W/ 6.92ct Uncut Diamonds, Rubies & Emeralds for women. This radiant 22K yellow gold necklace is embellished in 6.92ct uncut diamonds with precious rubies and emeralds. The design also features a lining of mango accents. This piece is 16 inches long with a width range of 2.5-20 mm. Ideal for formal attire, this piece has a total weight of 36.85 grams.