22K Yellow Gold Necklace & Earrings Set W/ Rubies, Black Sapphires & Emeralds for women. Brighten up your attire with this beautiful 22K yellow gold necklace and earrings set with a colorful design of precious rubies, black sapphires and emeralds seamlessly strung together. The necklace is 18 inches long with a width range of 2-10 mm wide. Its ornate pendant is 46 mm long and 22 mm wide. Each drop earring is 22 mm long and 10.5 mm wide. This decadent set has a total gold weight of 34.3 grams.