A three-stone gypsy ring, Circa 1900

An art deco diamond double clip brooch

A Victorian amethyst riviere, circa 1890

A Victorian diamond riviere, circa 1890

A gold and diamond necklace

Van Cleef & Arpels

Pair of mid-20th century diamond flowerhead and stem earrings, circa 1950

A moonstone and diamond heart shaped brooch/pendant

Antique diamond and platinum line bracelet, circa 1910

A pair of old mine cut diamond studs

An emerald and diamond ring set in a platinum mount

An antique marquise cut diamond ring

A late 19th century sapphire and diamond crescent brooch

Rose gold,diamond and pink sapphire "Nouvelle Vague" ring

Cartier

Gold and diamond hoops

Van Cleef & Arpels

Art Deco platinum and diamond long chain, circa 1920

A pear cut diamond "toi et moi" ring

An early 20th century openwork diamond and platinum heart shaped pendant

Four channel set gem set rings

Edwardian emerald and diamond ‘toi-et-moi’ ring

A mid-century diamond ring