Rare Antique Imperial Russian Tsarist Jewelry 56 Gold Diamond Gemset Brooch Pin

  

For your consideration is an exceedingly rare and historically important c. 1890s antique two-tone 56 yellow and white gold and natural diamond brooch pin. Featuring absolutely beautiful hand cut old mine rose diamonds. Fully hallmarked for 56 Imperial Russian Gold with workmaster / silversmith makers marks.

This antique Imperial Russian Gold and diamond jewelry brooch measures approximately 3.25" length x 0.25". Weight is 6.48 grams. Approximately one 1/2ctw diamond, two 1/4 ctw, six 1/8 ctw, four 1/16 ctw, two 1/32 ctw.