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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 18ct Gold & Platinum, Two Stone Diamond Crossover Ring with Diamond set Shoulders
    Edwardian 18ct Gold & Platinum, Two Stone Diamond Crossover Ring with Diamond set Shoulders£3,250
  2. Platinum Yellow Sapphire & Diamond Oval Cluster Ring
    Platinum Yellow Sapphire & Diamond Oval Cluster Ring£4,250
  3. Early Twentieth Century French Platinum Old Mine Cut Diamond Cluster Ring
    Early Twentieth Century French Platinum Old Mine Cut Diamond Cluster Ring£4,500
  4. Large Sapphire Ring with Diamond & Sapphire Shoulders
    Large Sapphire Ring with Diamond & Sapphire Shoulders£16,500
  5. Early 20th Century Platinum Ring set with a Rectangular Cut Peridot & Diamonds
    Early 20th Century Platinum Ring set with a Rectangular Cut Peridot & Diamonds£6,750
  6. Early 20th Century Platinum Diamond Bracelet
    Early 20th Century Platinum Diamond Bracelet£18,500
  7. Early 20th Century 18ct White Gold & Platinum Three Row Diamond Ring
    Early 20th Century 18ct White Gold & Platinum Three Row Diamond Ring£1,875
  8. Art Deco Platinum Brooch set with Sapphires & Diamonds in Original Case
    Art Deco Platinum Brooch set with Sapphires & Diamonds in Original Case£6,750
  9. Art Deco 18ct White Gold & Platinum, Diamond Geometric Ring
    Art Deco 18ct White Gold & Platinum, Diamond Geometric Ring£9,750
  10. Art Deco Platinum & Diamond Eternity Ring
    Art Deco Platinum & Diamond Eternity Ring£2,500
  11. Art Deco Platinum Large Sunburst Rectangular Brooch set with Diamonds
    Art Deco Platinum Large Sunburst Rectangular Brooch set with Diamonds£18,500
  12. Art Deco Platinum, Diamond Articulated Drop Earrings
    Art Deco Platinum, Diamond Articulated Drop Earrings£16,500
  13. Edwardian Platinum Two Row Diamond Eternity Ring
    Edwardian Platinum Two Row Diamond Eternity Ring£1,650
  14. Art Deco 18ct Gold & Platinum, Sapphire & Diamond Navette Shaped Ring
    Art Deco 18ct Gold & Platinum, Sapphire & Diamond Navette Shaped Ring£2,250
  15. Early 20th Century French 18ct Gold & Platinum, Diamond & Ruby Crossover Ring
    Early 20th Century French 18ct Gold & Platinum, Diamond & Ruby Crossover RingOn Hold
  16. Art Deco 18ct Gold & Platinum. Zircon & Diamond Cluster Ring
    Art Deco 18ct Gold & Platinum. Zircon & Diamond Cluster Ring£2,650
  17. Art Deco 18ct Gold & Platinum, Opal Ring with Diamond Set Shoulders
    Art Deco 18ct Gold & Platinum, Opal Ring with Diamond Set Shoulders£2,950
  18. Edwardian Platinum, Solitaire Diamond Crossover Ring with Diamond set Shoulders
    Edwardian Platinum, Solitaire Diamond Crossover Ring with Diamond set Shoulders£4,950
  19. Art Deco Platinum Ring set with a Large Zircon with Baguette Diamond Shoulders
    Art Deco Platinum Ring set with a Large Zircon with Baguette Diamond Shoulders£8,750
  20. Art Deco Platinum & Iridium Buckle Ring set with Sapphires & Diamonds
    Art Deco Platinum & Iridium Buckle Ring set with Sapphires & Diamonds£6,750
  21. Art Deco 18ct White Gold & Platinum, Rectangular Ring set with Two Square Cut Diamonds & Round Diamonds
    Art Deco 18ct White Gold & Platinum, Rectangular Ring set with Two Square Cut Diamonds & Round Diamonds£2,850
  22. Edwardian 15ct Gold & Platinum, Opal & Diamond Bracelet
    Edwardian 15ct Gold & Platinum, Opal & Diamond Bracelet£6,750
  23. Art Deco Platinum, Sapphire & Diamond Cluster Ring
    Art Deco Platinum, Sapphire & Diamond Cluster Ring£4,250
  24. Early 20th Century Platinum Ring set with a Sapphire with Diamond set Shoulders
    Early 20th Century Platinum Ring set with a Sapphire with Diamond set Shoulders£5,650
  25. French Early 20th Century Platinum, Solitaire Diamond Ring
    French Early 20th Century Platinum, Solitaire Diamond Ring£2,650
  26. 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 Diamond£3,650
  27. Art Deco 18ct Gold & Platinum, Ruby & Diamond Large Oval Cluster Ring
    Art Deco 18ct Gold & Platinum, Ruby & Diamond Large Oval Cluster Ring£3,500
  28. Art Deco Platinum Pierced Plaque Ring set with Sapphires & Diamonds
    Art Deco Platinum Pierced Plaque Ring set with Sapphires & Diamonds£3,500
  29. Early 20th Century 18ct White & Yellow Gold Diamond Dormeuse Earrings
    Early 20th Century 18ct White & Yellow Gold Diamond Dormeuse Earrings£1,275
  30. Edwardian 18ct White Gold & Platinum Peridot & Diamond Cluster Ring
    Edwardian 18ct White Gold & Platinum Peridot & Diamond Cluster Ring£4,250
  31. French Belle Epoque Platinum, Diamond Two Line Bracelet with Diamonds In Between
    French Belle Epoque Platinum, Diamond Two Line Bracelet with Diamonds In Between£12,500
  32. Early 20th Century 18ct Gold & Platinum Diamond Target Ring
    Early 20th Century 18ct Gold & Platinum Diamond Target Ring£9,750
  33. Edwardian Platinum,Three Stone Pink Sapphire & Diamond Ring
    Edwardian Platinum,Three Stone Pink Sapphire & Diamond Ring£2,850
  34. Early 20th Century Platinum, Conch Pearl & Diamond Drop Earrings
    Early 20th Century Platinum, Conch Pearl & Diamond Drop Earrings£45,000
  35. Edwardian Platinum, Natural Pearl & Diamond Swag Necklace
    Edwardian Platinum, Natural Pearl & Diamond Swag Necklace£4,250
  36. Early 20th Century Platinum, Diamond Daisy Cluster Ring with Outer Ring of Diamonds
    Early 20th Century Platinum, Diamond Daisy Cluster Ring with Outer Ring of Diamonds£4,650