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

535 Impressive Fancy Intense Yellow diamond ring

545 Superb sapphire, purple sapphire and diamond ring

554 Ruby and diamond necklace, 1950s

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

569 Important Fancy Vivid Yellow diamond ring

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

582 Attractive ruby and diamond ring

585 Spectacular and Very Rare Fancy Red diamond ring

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

589 Attractive sapphire and diamond bangle, circa 1950