Edwardian 1.00 Carat Old Cut Diamond & Natural Pearl Crossover Ring, circa 1910A pearl and diamond by pass ring of exceptional style and quality. The old European cut diamond conservatively estimated to weigh 1. 00 carat is bright, internally very clean and displays the subtlest champagne hue. The diamond is secured in an eight claw platinum coronet collet and sits across from a natural (not cultured) saltwater pearl which demonstrates a fine white lustre. Ten (five each side) rose cut diamonds are set in the platinum shoulders