A Russian coloured stone and diamond set bracelet

A Russian coloured stone and diamond set bracelet, set with two cabochon sapphires, rubies and an emerald with six further graduated circular cut diamonds in gold and silver. with further articulated gold links with foliate engraved sides set with small diamonds. The clasp tongue stamped with a Kokoshnik and obscure number, possibly 72. 19cm. In fitted case with Russian name and 'Mockba' stamped to the silk lining.