made in Saint Petersburg, circa 1885.

This 14K gold antique Russian brooch is centered with an excellent Siberian amethyst which changes its color from purple to purplish pink under different light conditions. The amethyst is accented by bright white rose cut diamonds.

The brooch is marked with 56 zolotnik old Russian gold standard and St. Petersburg assay mark.

The amethyst has excellent color saturation and is very sparkly. It measures 11.4 x 11 x 9.4 mm and is approximately 6.87 carats.

Approximate combined diamond weight is 1 – 1.10 carats.

Length is 47 mm (1 7/8 in.)