An early 20th century emerald and diamond ring, circa 1910

A three-stone gypsy ring, Circa 1900

Fancy Yellow Diamond and Diamond Ring

Raymond Yard

An emerald and diamond ring set in a platinum mount

An antique marquise cut diamond ring

A pear cut diamond "toi et moi" ring

Four channel set gem set rings

A mid-century diamond ring

Mid-20th century aquamarine and sapphire ring

Cartier

An Antique Yellow Diamond Cluster Ring

An Early 19th Century Georgian Diamond Ring

A Mid Century Ruby and Diamond Ring

Bulgari

An antique 3 stone old cut diamond ring

A square emerald cut diamond ring

Early 20th century emerald and diamond cluster ring

A 19th century fine emerald and diamond ring

An early 20th century moonstone and old cut diamond heart shaped ring

An antique cluster ring, circa 1890

An 2.82ct old mine cut diamond ring

An art deco onyx and diamond dress ring set with a sugarloaf amethyst, circa 1925

Boucheron

An emerald and diamond ring, circa 1915

Early 20th century diamond cluster ring, circa 1915

A collection of gem set gypsy rings mounted in 18K gold

A sapphire and diamond panel ring, circa 1910

An art deco ruby and diamond geometric cluster ring, circa 1920

Art Deco three stone baguette diamond ring, circa 1930

A rare art deco Diamond ring, surrounded by rubies and diamonds

An Art deco sapphire and diamond ring, circa 1920

An emerald and diamond ring, circa 1930

A pink sapphire and diamond gypsy ring

A mid century art deco-style brownish-yellow diamond ring

An art deco unheated Ceylon sapphire and diamond ring, France, circa 1920

A art deco ruby and diamond ring, Ellis Brothers, Canada, circa 1925

A sapphire and diamond 'forget-me-not' ring, New York, circa 1960

Cartier