made in Moscow in the 1930s.

This vintage Russian 14K gold brooch / pendant features an excellent Siberian amethyst of a rich deep purple color with pink flashes. The openwork bezel is embellished with sparkling golden green demantoids.

The amethyst measures 15.3 x 12.1 mm and is approximately 13.51 carats.

Estimated total demantoid weight is 1 carat.

The brooch has a folding bail and could be worn as a pendant.

Diameter is 35 mm (1 3/8 in.)

Marked with 583 gold standard, Moscow assay mark and maker’s mark.

Siberian amethysts are rare today. They are no longer mined in Russia and found exclusively in tsarist era (pre-1917) and early Soviet (1920s-1950s) jewelry.