Russian 14K Yellow Gold Ring With Rose-Cut Diamonds Circa. 1880 Russia 14K yellow gold tested with 14K acid. Pear-cut rose diamond surrounded by 9 additional rose cut diamonds. Diamonds are white and clear. The pear shaped stone is approximately .30 carat. The additional 9 other stones are a total of .20 carat. Total diamond weight is approximately .50 carat. Hallmarked on outside-back of shank (see photo 4) . The face of the ring measures 3/8 inch x 3/8 inch. 3.7 gr. 2.4 dwt Size 6 1/2 Can be sized by a jeweler but care should be maintained with existing hallmarks.