Vintage Diamond and Siberian Amethyst Platinum and Diamond Ring, circa 1915
Antique diamond ring centering a fine vivid deep purple natural amethyst (probably from Siberia)weighing 7 cts. and surrounded by fine white old cut diamonds. The diamonds are well cut and well match, near colorless, (H) and very slightly included (VS). The weight of these European cut diamonds is approximately 3.6 cts. This well made ring in fine condition is 18K and platinum and a size 6.5.