20th Century Diamond Necklaces

Vintage 6.90ct Sapphire & 3.50ct Diamond 14k White Gold Necklace 1965

Antique 2.48ct Diamond and Platinum Halo Pendant Circa 1920

Vintage 38.35ct Diamond and 18k White Gold Necklace Circa 1980

Aquamarine and Diamond 18ct White Gold Pendant/Necklace

Antique Art Nouveau 0.95ct Amethyst 0.10ct Diamond and Pearl 12k Yellow Gold Pendant Circa 1910

Vintage 1.48ct Sapphire and 0.80ct Diamond 14k White Gold Cluster Pendant Circa 1960

Antique 1.57ct Basaltic Sapphire and 1.20ct Diamond Platinum Pendant Circa 1915

Magnificent Four-strand Pearl Necklace with 1.5ct Diamond Cluster Clasp | 18ct White Gold | Circa 1960

Vintage Art Deco 8.14ct Basaltic Sapphire & 11.79ct Diamond Platinum Necklace c.1945

Vintage 14.80ct Aquamarine 0.27ct Diamond & 18k White Gold Pendant c.1965

Antique 5.74ct Aquamarine 0.18ct Diamond & Platinum Pendant c.1915

Vintage 2.18ct Sapphire & 0.39ct Diamond 18k White Gold Cluster Pendant c.1980

Antique 4.27ct Diamond & 15k Yellow Gold Pendant / Brooch c.1910

Art Deco 0.50ct Onyx & 0.20ct Diamond, Platinum Pendant c.1930

Art Deco 0.76ct Diamond & 14k Yellow Gold Pendant c.1930

1950s Six Strand Pearl Necklace with Amethyst & Diamond 18ct Gold Cluster Clasp & Gem Lab Cert

Pearl & 1.18ct Diamond, 14k Rose Gold Pendant c.1930

Edwardian Rose-cut Diamond Negligee Necklace

Edwardian Opal & Diamond Lavalier Necklace in Gold & Platinum

Antique 1.28ct Diamond & Platinum Pendant c.1920

Art Deco Platinum & Diamond Lariat Necklace

Sapphires Diamonds 9ct Solid Gold Necklace & Pendant

Sapphire & Diamond Pendant 18ct Gold

Exquisite 1920s Triple Strand Pearl Necklace – Natural Pearl & Diamond Clasp, Gemmological Report

Antique Pearl Necklace with Sapphire & Diamond Floral Clasp – Anchorcert Certified, Cultured Pearls c.1920

Vintage 1950s Pearl Necklace – Diamond & Pearl Floral 9ct Gold Clasp, 16" Single Strand Pearls

Vintage Pearl Necklace with 9ct Gold Diamanté Bow Clasp Two Strand 15" Necklace Recently Restrung Knotted

Antique Pearl & Diamond, Platinum Pendant c.1920

Antique Art Deco 3.51ct Diamond & 18k White Gold Pendant c.1925

Art Deco Pearl Necklace – 9ct White Gold Diamond Clasp, Single Strand Pearls c.1920

Vintage 32.20ct Aquamarine, 0.10ct Diamond and 14ct Yellow Gold Pendant by C'est Laudier Circa 1940

Antique 14.28ct Aquamarine, Pearl, 0.20ct Diamond & 11k Yellow Gold Drop Pendant c.1915

Vintage Necklace in 18k Gold with 9 Emeralds & 250 Diamonds c.1950

5.50ct Opal, Natural Saltwater Pearl & 8.31ct Diamond, Platinum Pendant c.1935

Impressive 9ct Gold Cameo on Hardstone Pendant Necklace

Antique Natural Pearl and 0.95ct Diamond, 12k Yellow Gold Pendant Brooch Circa 1900

18ct Gold Diamond Cross Pendant on 9ct Gold Chain

Art Deco 13.35ct Diamond & Platinum Necklace c.1935

Edwardian Gold & Platinum Diamond & Pearl Pendant

Vintage 2.53ct Ruby and 0.48ct Diamond, 18k Yellow Gold Pendant Circa 1980