20th Century Platinum Diamond Rings

0.90ct Sapphire & 0.36ct Diamond Platinum Ring c.1930

4.84ct Moonstone & 1.87ct Diamond Platinum Ring c.1935

Antique/vintage 6.10ct Basaltic Sapphire and 2.65ct Diamond 18k Yellow Gold Ring

Vintage 0.97ct Diamond & Platinum Solitaire Ring c.1970

Beautiful 1.4ct Platinum Solitaire Diamond Ring - Boxed

Antique 0.61ct Emerald & 1.45ct Diamond 18k White Gold Ring c.1920

Edwardian Old European Cut Diamond Daisy Cluster Ring in 18ct Gold & Platinum

Vintage 4.70ct Black Opal & 1.08ct Diamond Platinum Cocktail Ring 1980

Vintage 3.20ct Sapphire & 0.30ct Diamond Platinum Ring c.1945

French Art Deco 1.72ct Emerald & 3.51ct Diamond Platinum Cocktail Ring c.1935

Antique 1.00ct Diamond & 18k Yellow Gold Twist Ring c.1900

Antique 1.61ct Diamond & Platinum GIA Certified Ring c.1925

Vintage 2.54ct Diamond & 14k White Gold Ring c.1980

Antique 5.90ct High Zircon & 1.48ct Diamond 18k White Gold Cluster Ring c.1925

Vintage 2.86ct Diamond & Platinum Trilogy Ring c.1970

18ct Gold & Platinum Diamond Solitaire Ring Old Cut Antique Ring c.1920

Antique Art Deco 1.39ct Diamond and Platinum Dress Ring Circa 1920

Antique 2.00ct Ceylon Sapphire & 1.16ct Diamond 18k Yellow Gold Cocktail Ring c.1915

1.87ct Zambian Emerald & 0.68ct Diamond Platinum Dress Ring c.1935

Diamond Engagement Ring, Antique 18ct Gold & Platinum Solitaire c.1920

2.70ct Basaltic Sapphire & 1.10ct Diamond Platinum Dress Ring c.1930

Vintage 18ct Gold Platinum Diamond Trilogy Twist Ring Band Size M 1/2 (US Size 6.5)

Antique 18ct Gold Platinum Diamond Trilogy Engagement Ring Size K 1/2 (US Size 5.5) C1920

Antique 18ct Gold Diamond Twist Ring Band Size L

Antique French Art Deco 0.45ct Sapphire & 1.75ct Diamond Platinum Dress Ring c.1920

Vintage 2.60ct Ceylon Sapphire & 1ct Diamond Platinum Dress Ring c.1945

Antique 3.20ct Diamond & Platinum Solitaire Ring c.1925

Vintage 18ct Gold Diamond Cluster Ring

Antique 1.89ct Diamond & Platinum Three Stone Ring c.1925

18ct Gold Platinum 3 Stone Diamond Ring

Vintage 1.61ct Diamond & Platinum Solitaire Ring c.1945

Platinum Australian Opal & Diamond Ring

Vintage 1.81ct Diamond & Platinum Trilogy Ring c.1945

Antique & Vintage 1.60ct Diamond & 14k Yellow Gold Solitaire Ring

1960s Platinum Sapphire & Diamond Cluster Ring – Vintage Flower Engagement Ring

2.13ct Sapphire & 1.00ct Diamond, 18k White Gold Ring c.1935

Antique Art Deco 2.20ct Onyx & 0.50ct Diamond, Platinum Ring c.1920

18ct Gold & Platinum Amethyst & Diamond Ring

Antique 1.65ct Diamond & Platinum Solitaire Ring c.1920

Antique 1.00ct Diamond & 18k White Gold Five Stone Ring c.1925