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The Antique Jewellery Company

Platinum & Diamond Jewellery

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

  1. Edwardian Platinum & 15ct Gold Snake Cufflinks set with a Diamond and a Sapphire
    Edwardian Platinum & 15ct Gold Snake Cufflinks set with a Diamond and a Sapphire$2,950
  2. Art Deco 18ct Gold & Platinum, Sapphire & Diamond Navette Shaped Ring
    Art Deco 18ct Gold & Platinum, Sapphire & Diamond Navette Shaped Ring$2,950
  3. Early 20th Century French Platinum, Peridot & Diamond Oval Cluster Ring
    Early 20th Century French Platinum, Peridot & Diamond Oval Cluster Ring$6,500
  4. Art Deco Platinum Square Ring set with Four French Cut Sapphires & a Diamond
    Art Deco Platinum Square Ring set with Four French Cut Sapphires & a Diamond$4,800
  5. Art Deco Platinum Square Cluster Ring set with an Asscher Cut Diamond Surrounded by Small Diamonds
    Art Deco Platinum Square Cluster Ring set with an Asscher Cut Diamond Surrounded by Small Diamonds$10,850
  6. Early 20th Century Platinum, Sapphire & Diamond Oval Cluster Ring
    Early 20th Century Platinum, Sapphire & Diamond Oval Cluster Ring$8,200
  7. Edwardian 18ct Gold & Platinum, Sapphire & Diamond Oval Cluster Ring
    Edwardian 18ct Gold & Platinum, Sapphire & Diamond Oval Cluster Ring$6,100
  8. Art Deco 18ct Gold & Platinum Square Ring set with an Aquamarine & Diamonds
    Art Deco 18ct Gold & Platinum Square Ring set with an Aquamarine & Diamonds$4,800
  9. Platinum, Diamond Cluster Earrings
    Platinum, Diamond Cluster Earrings$5,600
  10. Mid 20th Century 18ct White Gold & Platinum, Sapphire & Diamond Three Stone Ring
    Mid 20th Century 18ct White Gold & Platinum, Sapphire & Diamond Three Stone Ring$6,900
  11. Early 20th Century 18ct White Gold & Platinum Three Stone Diamond Ring
    Early 20th Century 18ct White Gold & Platinum Three Stone Diamond Ring$3,900
  12. Early 20th Century 18ct Gold & Platinum Square Ring set with Diamonds
    Early 20th Century 18ct Gold & Platinum Square Ring set with Diamonds$5,600
  13. Edwardian 18ct Gold & Platinum Marquise Ring set with a Ruby & Diamonds
    Edwardian 18ct Gold & Platinum Marquise Ring set with a Ruby & Diamonds$5,200
  14. Art Deco Platinum, Sapphire & Diamond Square Ring with Diamond set Shoulders
    Art Deco Platinum, Sapphire & Diamond Square Ring with Diamond set Shoulders$3,750
  15. Edwardian 18ct Gold & Platinum Figure of Eight Ring set with Diamonds
    Edwardian 18ct Gold & Platinum Figure of Eight Ring set with Diamonds$6,100
  16. Early 20th Century 18ct White Gold Three Stone Sapphire & Diamond Ring
    Early 20th Century 18ct White Gold Three Stone Sapphire & Diamond Ring$10,850
  17. Art Nouveau Platinum & 15ct Gold, Diamond Pendant Brooch
    Art Nouveau Platinum & 15ct Gold, Diamond Pendant Brooch$8,850
  18. Art Deco Platinum, Hexagonal Emerald & Diamond Ring
    Art Deco Platinum, Hexagonal Emerald & Diamond Ring$4,950
  19. Art Deco Platinum & 15ct Gold & Platinum Tie Pin set with a Fancy Yellow Diamond with a Diamond on Either Side
    Art Deco Platinum & 15ct Gold & Platinum Tie Pin set with a Fancy Yellow Diamond with a Diamond on Either Side$2,500
  20. Early Twentieth Century French Platinum Old Mine Cut Diamond Cluster Ring
    Early Twentieth Century French Platinum Old Mine Cut Diamond Cluster Ring$5,900
  21. Early 20th Century 18ct Gold & Platinum, Square Ring set with a Sapphire & Diamonds
    Early 20th Century 18ct Gold & Platinum, Square Ring set with a Sapphire & Diamonds$2,950
  22. Art Deco Platinum Rectangular Cut Sapphire & Diamond, Diamond Shaped Ring
    Art Deco Platinum Rectangular Cut Sapphire & Diamond, Diamond Shaped Ring$10,850
  23. French Early 20th Century Platinum, Sapphire & Diamond Cluster Ring
    French Early 20th Century Platinum, Sapphire & Diamond Cluster Ring$3,900
  24. Early 20th Century Ruby & Diamond Pendant set with a Large Opal on a Platinum Chain in the Original Case
    Early 20th Century Ruby & Diamond Pendant set with a Large Opal on a Platinum Chain in the Original Case$23,600
  25. Edwardian 18ct Gold & Diamond Open Work Cluster Ring
    Edwardian 18ct Gold & Diamond Open Work Cluster Ring$4,800
  26. Art Deco Platinum Two Carat Diamond Solitaire Ring with Baguette Diamond Shoulders
    Art Deco Platinum Two Carat Diamond Solitaire Ring with Baguette Diamond Shoulders$24,250
  27. Edwardian 18ct Gold & Platinum, Pink Sapphire & Diamond Oval Cluster Ring
    Edwardian 18ct Gold & Platinum, Pink Sapphire & Diamond Oval Cluster Ring$4,300
  28. Edwardian Platinum,Three Stone Pink Sapphire & Diamond Ring
    Edwardian Platinum,Three Stone Pink Sapphire & Diamond Ring$3,750
  29. Early 20th Century 18ct White Gold & Platinum Diamond Polo Cluster Ring
    Early 20th Century 18ct White Gold & Platinum Diamond Polo Cluster Ring$3,750
  30. Art Deco 18ct White Gold & Platinum, Large Sapphire & Diamond Plaque Ring
    Art Deco 18ct White Gold & Platinum, Large Sapphire & Diamond Plaque Ring$8,850
  31. Early 20th Century 18ct White Gold & Palladuim, Diamond Solitaire Ring with Diamond set Shoulders
    Early 20th Century 18ct White Gold & Palladuim, Diamond Solitaire Ring with Diamond set Shoulders$2,950
  32. Early 20th Century Platinum Transition Cut Diamond Solitaire Earrings
    Early 20th Century Platinum Transition Cut Diamond Solitaire Earrings$6,100
  33. French Early 20th Century Platinum Sapphire & Diamond Ring
    French Early 20th Century Platinum Sapphire & Diamond Ring$5,900
  34. Art Deco Platinum Pierced Bombè Cluster Ring set with a Pale Yellow Diamond & Rose Diamonds
    Art Deco Platinum Pierced Bombè Cluster Ring set with a Pale Yellow Diamond & Rose Diamonds$3,750
  35. Early 20th Century 18ct White Gold & Platinum, Three Stone Diamond Ring with Diamond set Shoulders
    Early 20th Century 18ct White Gold & Platinum, Three Stone Diamond Ring with Diamond set Shoulders$3,900
  36. Early 20th Century Platinum Claw Set Three Stone Diamond Ring
    Early 20th Century Platinum Claw Set Three Stone Diamond Ring$3,900