505 Gem set, enamel and diamond necklace, circa 1895

506 Gold necklace, circa 1870

507 Gold, emerald and blister pearl necklace, circa 1890

513 Exceptional natural pearl, ruby and diamond necklace

536 Impressive Fancy Intense Yellow diamond ring

546 Superb sapphire, purple sapphire and diamond ring

555 Ruby and diamond necklace, 1950s

559 Sapphire, emerald, onyx and diamond brooch, ‘Panthère’, 1980s

583 Lady's gold, ruby and diamond wristwatch, 'Serpenti', circa 1966

587 Spectacular and Very Rare Fancy Red diamond ring

590 'Mystery-set' sapphire and diamond brooch, circa 1960

592 Attractive sapphire and diamond bangle, circa 1950