Antique Platinum old European cut diamond solitaire ring 0.45ct c1910'sA delightful antique diamond solitaire ring dating from the early 20th Century c1910's 1920's. This beautiful traditional ring is handcrafted in platinum bezel collet set with a vibrant and sparkling old European cut natural diamond. The diamond is assessed and measured in situ to be 0. 45 carat, H J colour, VS2 SI1 clarity. The shoulders are grain set with four old single cut diamonds to each side, total approx 0. 08ct, leading to a plain polished