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The Antique Jewellery Company

Platinum & Diamond Jewellery

Explore antique and vintage platinum & diamond jewellery, handpicked for character, quality and craftsmanship.

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  1. Early 20th Century Platinum, Sapphire & Diamond Rectangular Cluster Ring
    Early 20th Century Platinum, Sapphire & Diamond Rectangular Cluster Ring$3,500
  2. Edwardian 18ct Gold & Platinum Diamond & Natural Pearl Cluster Ring
    Edwardian 18ct Gold & Platinum Diamond & Natural Pearl Cluster Ring$4,800
  3. Art Deco Large Platinum, Cabochon Jade & Diamond Oval Cluster Ring
    Art Deco Large Platinum, Cabochon Jade & Diamond Oval Cluster Ring$12,800
  4. Art Deco Platinum Ring set with an Asscher Cut Diamond with Diamond set Shoulders
    Art Deco Platinum Ring set with an Asscher Cut Diamond with Diamond set Shoulders$6,900
  5. Vintage 18ct Gold & Platinum, Diamond Solitaire Ring with Diamond set Shoulders
    Vintage 18ct Gold & Platinum, Diamond Solitaire Ring with Diamond set Shoulders$795
  6. Edwardian 18ct White Gold & Platinum Peridot & Diamond Cluster Ring
    Edwardian 18ct White Gold & Platinum Peridot & Diamond Cluster Ring$5,600
  7. Retro 18ct Gold & Platinum Snake Bracelet set with a Synthetic Sapphire & Diamonds
    Retro 18ct Gold & Platinum Snake Bracelet set with a Synthetic Sapphire & Diamonds$5,900
  8. 18ct Gold & Platinum Three Stone Diamond Ring
    18ct Gold & Platinum Three Stone Diamond Ring$4,800
  9. Edwardian 18ct Gold & Platinum Daisy Cluster Ring
    Edwardian 18ct Gold & Platinum Daisy Cluster Ring$3,500
  10. Edwardian 18ct Gold & Platinum Three Stone Diamond Crossover Ring
    Edwardian 18ct Gold & Platinum Three Stone Diamond Crossover Ring$2,500
  11. Art Nouveau French Import 18ct Gold & Platinum Fancy Crossover Ring set with Diamonds
    Art Nouveau French Import 18ct Gold & Platinum Fancy Crossover Ring set with Diamonds$4,800
  12. Art Deco Platinum Rectangular Ring set with an Emerald & Diamonds
    Art Deco Platinum Rectangular Ring set with an Emerald & Diamonds$12,800
  13. French Early 20th Century 18ct Gold Brooch of an Elephant set with Rose Diamonds, Rubies & a Natural Pearl
    French Early 20th Century 18ct Gold Brooch of an Elephant set with Rose Diamonds, Rubies & a Natural Pearl$4,300
  14. Early 20th Century French 18ct Gold & Platinum, Sapphire & Diamond Cluster Ring
    Early 20th Century French 18ct Gold & Platinum, Sapphire & Diamond Cluster Ring$12,800
  15. Art Deco Platinum Solitaire Old Mine Cut Diamond Ring in Square Setting
    Art Deco Platinum Solitaire Old Mine Cut Diamond Ring in Square Setting$12,800
  16. Edwardian 18ct White Gold & Platinum, Black Opal & Diamond Cluster Ring
    Edwardian 18ct White Gold & Platinum, Black Opal & Diamond Cluster Ring$12,800
  17. Edwardian Platinum, Diamond & Natural Pearl Quatrefoil Ring
    Edwardian Platinum, Diamond & Natural Pearl Quatrefoil Ring$4,300
  18. Art Deco Platinum Diamond Octagonal Cluster Ring
    Art Deco Platinum Diamond Octagonal Cluster Ring$3,500
  19. Early 20th Century Platinum Solitaire Ring set with a 1.55 Carat Diamond
    Early 20th Century Platinum Solitaire Ring set with a 1.55 Carat Diamond$6,900
  20. Art Deco Platinum Diamond Shaped Emerald & Diamond Ring
    Art Deco Platinum Diamond Shaped Emerald & Diamond Ring$5,600
  21. Large French Platinum Sapphire & Diamond Oval Cluster Ring
    Large French Platinum Sapphire & Diamond Oval Cluster Ring$55,700
  22. Early 20th Century Platinum, Square Cut Sapphire & Diamond Ring
    Early 20th Century Platinum, Square Cut Sapphire & Diamond Ring$4,300
  23. Early 20th Century French Platinum Eternity Ring set with Diamonds
    Early 20th Century French Platinum Eternity Ring set with Diamonds$2,950
  24. Mid 20th Century Platinum, Three Stone Diamond Ring
    Mid 20th Century Platinum, Three Stone Diamond Ring$6,500
  25. Art Deco 18ct White Gold Square Ring set with a Sapphire & Diamonds
    Art Deco 18ct White Gold Square Ring set with a Sapphire & Diamonds$8,200
  26. Edwardian 18ct Gold & Platinum Three Stone Diamond Crossover Ring
    Edwardian 18ct Gold & Platinum Three Stone Diamond Crossover Ring$3,750
  27. Art Deco Platinum Rectangular Shaped Ring set with Baguette & Round Diamonds
    Art Deco Platinum Rectangular Shaped Ring set with Baguette & Round Diamonds$5,600
  28. Art Deco 18ct Gold & Platinum Diamond Ring
    Art Deco 18ct Gold & Platinum Diamond Ring$5,600
  29. French Belle Epoque 18ct Gold Marquise Diamond Ring
    French Belle Epoque 18ct Gold Marquise Diamond Ring$4,800
  30. Platinum Solitaire Diamond Ring with Baguette Diamond Shoulders
    Platinum Solitaire Diamond Ring with Baguette Diamond Shoulders$5,600
  31. Early 20th Century 14ct Gold & Platinum Pendant set with Green Garnets & Diamonds on 14ct Gold Chain
    Early 20th Century 14ct Gold & Platinum Pendant set with Green Garnets & Diamonds on 14ct Gold Chain$4,800
  32. Art Deco Platinum, Green Tourmaline Ring with Diamond Set Shoulders
    Art Deco Platinum, Green Tourmaline Ring with Diamond Set Shoulders$3,900
  33. Edwardian 18ct White Gold & Platinum Crossover Ring set with Diamonds
    Edwardian 18ct White Gold & Platinum Crossover Ring set with Diamonds$2,600
  34. Platinum Yellow Sapphire & Diamond Oval Cluster Ring
    Platinum Yellow Sapphire & Diamond Oval Cluster Ring$5,600
  35. Retro Double Diamond Platinum Brooch by Charles Holl set with Sapphires & Diamonds
    Retro Double Diamond Platinum Brooch by Charles Holl set with Sapphires & Diamonds$16,400
  36. French Early 20th Century Platinum Ring set with an Old Cushion Cut Diamond
    French Early 20th Century Platinum Ring set with an Old Cushion Cut DiamondOn Hold
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