309 

A late 17th/early 18th century emerald and diamond locket back diamond ring, the central box shaped bezel set with a single square cut emerald, flanked by two old mine cut diamonds in circular domed setting, with engraved decoration, the hoop with engraved cross and chevron motifs, the bezel reverse with circular rock crystal locket compartment enclosing a lock of hair, the border engraved ' Erater Sorow', circa 1700, ring size H Provenance: from an English collection acquired before 1980

london, United Kingdom