0.80 Carat Old-European Cut Diamond Halo Platinum Edwardian RingLadies unique Edwardian era platinum halo set diamond engagement ring featuring a 0. 80 carat Old European cut diamond of (SI 2) in clarity and (H I) in color. The centre stone is surrounded by a halo of old Rose cut diamonds weighing approximately 0. 45 carat total weight of (SI 2) in clarity and (H I) in color. Illusion style corner claw mounting. Currently a size 7 but can be resized. Measures 14. 2mm. Circa 1910 (+ ). Not readily replaceable. Good