Edwardian Emerald-Cut Diamond RingA refined and elegant antique diamond ring, circa 1910, in 18K yellow gold with a platinum setting. At its centre is a beautifully proportioned emerald cut diamond, mounted in a platinum mill grain beaded bezel; a hallmark feature of high quality Edwardian era jewellery. The diamond displays superb clarity and brightness, with excellent fire and a clean, white appearance. The open backed setting allows light to pass freely through the stone,