Three turquoise rings, late 19th century

Formerly in the collection of Mrs Flora Sassoon (1859-1936)

Three turquoise rings, late 19th century 

Two of cluster design, set with a turquoise cabochon within a surround of cushion-shaped diamonds, size K (circular outline) and size N (lozenge outline); and one with a turquoise cabochon in a closed setting, size H.