Ross-Simons - 1.20ct Bezel-Set Diamond Solitaire Necklace in 14kt Yellow Gold. 16". Utterly classic, this diamond necklace is a wardrobe essential. A marvelous 1.20 carat bezel-set round brilliant-cut diamond glows from polished 14kt yellow gold on a sleek box chain. Will add timeless diamond shimmer to your elegant everyday ensembles. Springring clasp, diamond necklace. Diamond birthstones are the perfect gift for April birthdays.