SUPERB SAPPHIRE AND DIAMOND RING The ring is set with a rectangular cut sapphire in 14K white gold and round diamonds. Gross weight: 5.80 g. Finger size: 52. Dimensions of the sapphire: 14.46 x 9.46 x 5.61 mm. Weight of the sapphire: approx. 7 to 8 carats. Preliminary opinion of GEM Paris: Ceylon origin, unheated. A sapphire, diamond and 14K white gold ring. Gross weight : 5,80 gr. Size : 52. Sapphire dimensions : 14,46 x 9,46 x 5,61 mm. Sapphire weight : 7 to 8 carats approx. GEM paris preliminary report, in his opinion : origin Ceylon, not heated.