Four gem set and diamond rings, early 20th century

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

Four gem set and diamond rings, early 20th century 

One set with a black pearl and rose-cut diamonds, size J^1/2; one claw-set with an egg-shaped diamond weighing 0.48 carats, size J; one set with rose-cut diamonds in the shape of a clover, size J; and one set with cushion-shaped diamonds within a surround of calibré-cut emeralds in a trefoil motif, size H.