One Vintage GIA 5.65 Carat Ceylon Sapphire Diamond 18k White Gold Cluster Ring. Featuring one GIA octagonal step cut sapphire of 5.65 carats, accompanied by GIA #5234197753 stating the sapphire is of Ceylon (Sri Lanka) origin. Accented by 18 marquise cut diamonds with a total weight of approximately 2.30 carats, graded near-colorless, VS clarity. Crafted in 18 karat white gold with purity mark. Circa 1990. The ring is a size 7 ¼ and may be resized. About this Item: Embark on a journey through ti Vintage, 18 Karat White Gold, 18k White Gold, Diamond Cluster Ring, Marquise Cut Diamond, Sapphire Diamond, Marquise Cut, Diamond Cluster, White Gold