22K Yellow Gold Necklace & Earrings Set W/ Emeralds, Rubies, Black Sapphires & Floral Display for women. This exquisite 22K yellow gold necklace and earrings set features a floral display of rubies, emeralds and black sapphires. The necklace is 16 inches long with a width range of 2.5-17 mm. Each earring is 25 mm long and 17.5 mm wide. This radiant set has a total weight of 56 grams.