.20 Round Brilliant Cut Diamond Earrings in 18k Gold. 20 Round Brilliant Cut Diamond Earrings in 18k Gold. These chic, vintage inspired earrings feature . 20 carats of Round Brilliant cut diamonds in 18K white and 18K yellow gold. Twenty (20) . 01 carat diamonds are bead set in 14 karat white gold channels. With soft, curved lines and a feminine form, these stud earrings are complete on a polished 14k yellow gold shape. An elevated version of your everyday studs, these earrings are reminiscent of 90s