20th Century Platinum Jewellery

Art Deco Solitaire Engagement Ring 18ct Gold Platinum 1920s Vintage Diamond Ring

Antique Diamond Solitaire 18ct Gold Ring

Stunning 3-stone Diamond Platinum Ring (ca 1ct)

Diamond Solitaire 18ct Gold Ring

Antique 1.13 ct Diamond and Platinum Solitaire Ring Circa 1935

Vintage 1ct Sapphire and 0.96ct Diamond 18 ct White Gold Dress Ring Circa 1950

Antique 0.75 ct Yellow Diamond and 18ct Yellow Gold Twist Ring Circa 1930

Vintage 1.50ct Diamond Platinum Solitaire Ring Circa 1940

The Antique Art Deco Era Old Mine Cut Diamond Ring

Vintage French Art Deco 8.77ct Diamond & 18ct Yellow Gold Bracelet c.1940

Antique 0.80ct Diamond & 18ct Yellow Gold Solitaire Ring c.1920

Vintage Art Deco 5.16ct Diamond & Platinum Earrings c.1950

Vintage 4.46ct Tourmaline & 0.20ct Diamond, Platinum Ring

Tanzanite and Platinum Solitaire Ring

Antique 5.25ct Amethyst & Pearl, 15ct Yellow Gold Bracelet c.1910

Antique 0.45ct Diamond and Platinum Locket Circa 1920

Antique 4.45ct Diamond and Platinum Bow Brooch Circa 1920

Vintage French 2.28ct Diamond and Platinum Full Eternity Ring Circa 1950

Antique 1.58ct Diamond & 18ct Yellow Gold Marquise Shaped Ring

Antique 2.62ct Diamond Quality and Platinum Solitaire Ring Circa 1935

2.16ct Diamond & Platinum Full Eternity Ring c.1930

Art Deco 3ct Diamond & Platinum Drop Earrings c.1925

Vintage 1.07ct Diamond & Platinum Solitaire Ring c.1950

Vintage 1.50ct Aquamarine & 0.95ct Diamond, Platinum Cluster Ring c.1950

Antique 2.66ct Diamond and Platinum Cluster Ring Circa 1930

Antique Art Deco 1.02ct Emerald and 11.88ct Diamond Platinum Brooch Circa 1925

1.40ct Jade & 1.38ct Diamond, Platinum Dress Ring c.1935

2.75ct Diamond & 15ct Yellow Gold Drop Earrings

Antique 1.10ct Diamond & Platinum Solitaire Ring c.1920

Vintage French 1.85ct Diamond & Platinum Full Eternity Ring c.1950

Antique 1.65ct Diamond and Platinum Solitaire Ring

1.63ct Diamond and 14ct Yellow Gold Cluster Ring - Antique

Vintage 21.04ct Diamond & Platinum Bow Brooch c.1955

0.93ct Diamond & 18ct Yellow Gold Solitaire Ring c.1940

8.13ct Diamond & Platinum Brooch - Art Deco c.1935

2.65ct Diamond & 0.28ct Emerald, Platinum Ship Brooch

6.85ct Diamond and 1.10ct Ruby, Platinum Brooch - Antique and Vintage

3.51ct Diamond & Pearl, Platinum Brooch - Art Deco

Gia Certified 2.84ct Diamond & Platinum Solitaire Ring

3.08ct Pink Topaz and 7.02ct Diamond and Platinum Brooch - Antique