4.50 Carat Oval Deep Blue Sapphire And Diamond Victorian RingLadies beautiful platinum Victorian era sapphire and diamond cocktail ring featuring a 4. 50 carat Oval cut Deep blue sapphire surrounded by a scalloped edged cluster of (14) Old Mine cut diamonds weighing 2. 30 carat total weight. Beautifully crafted and will lay very flush on the finger. 21. 63mm x 17. 48mm. Currently a size 6 3 4 but can be resized. Circa 1890's. Slight scratches on sapphire due to age.