Antique vari-coloured gem and gold collet necklace, c.1890, with graduated cushion and rounded facetted stones including zircon, demantoid garnet, amethysts, sapphires and others,
Art Deco graduated natural pearl and fancy intense blue diamond necklace, probably Edmond Frisch, New York, c.1920, the 0.68ct marquise cut diamond forming the clasp,
Antique vari-coloured gem and gold collet necklace, c.1890, with graduated cushion and rounded facetted stones including zircon, demantoid garnet, amethysts, sapphires and others,