This 2.91tcw Natural Diamond & Ox Blood Coral Oval Cabochon Vintage Russian Dinner Ring is 14k/585 multi tone gold. The oval cabochon cut ox blood coral is salmon red-orange and polish/symmetry is good. The natural round brilliant cut diamonds are H/I color and SI clarity. The ring is size 6.75 and weighs a total of approximately 6.14g stamped "56k". It measures 18mm x 16.5mm x 8.45mm. The ring is authenticated by AGA appraisal certificate no. 12007. This vintage 1970's ring is beautiful and bold, perfect as a gift for yourself or someone you love.