12.80 Carat Diamond Hoop Earrings in 18K Yellow Gold.  These modern hoop earrings feature 12.80 carats of Fancy Yellow diamonds set in 18 karat yellow gold. Thirty-two (32) .40 carat diamonds sparkle a champagne hue and are eye clean (clarity grade VS1). The diamonds are set on both the inside and outside of the hoops and feature hinge backs for comfort. These show stopping dress earrings will be surefire favorites that can be passed down for generations.