14 Karat Russian Rose Gold Amethyst Ring. The ring features a bezel-set 15.0ct oval cabochon Amethyst. The handmade ring also contains custom looped prongs and a simple wire detail that is attached to the bezel and band. Stamped on the inside of the band is 7RK P 583 with the hammer & sickle icon inside the star (see last two photos). The ring size is 6 and the ring has a gold weight of 5.8 grams.