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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. Early 20th Century Platinum Large Sapphire & Diamond Cluster Ring
    Early 20th Century Platinum Large Sapphire & Diamond Cluster Ring£7,500
  2. Art Deco 14ct Gold & Platinum, Two Stone Diamond Ring with Diamond set Shoulders
    Art Deco 14ct Gold & Platinum, Two Stone Diamond Ring with Diamond set Shoulders£16,500
  3. Edwardian 18ct Gold & Platinum Diamond Shaped Ring set with Diamonds
    Edwardian 18ct Gold & Platinum Diamond Shaped Ring set with Diamonds£1,275
  4. Edwardian 18ct Gold & Platinum Two Stone Diamond Fancy Crossover Ring
    Edwardian 18ct Gold & Platinum Two Stone Diamond Fancy Crossover Ring£3,250
  5. Edwardian 18ct Gold & Platinum Two Stone Diamond Crossover Ring
    Edwardian 18ct Gold & Platinum Two Stone Diamond Crossover Ring£2,250
  6. Edwardian Platinum Diamond Fancy Cluster Ring
    Edwardian Platinum Diamond Fancy Cluster Ring£3,250
  7. Art Deco Platinum Ring set with a Rectangular Cut Diamond
    Art Deco Platinum Ring set with a Rectangular Cut Diamond£18,500
  8. Early 20th Century Platinum, Diamond & Sapphire Cluster Ring
    Early 20th Century Platinum, Diamond & Sapphire Cluster Ring£4,250
  9. Art Deco Platinum Large Green Sapphire & Baguette Diamond Ring
    Art Deco Platinum Large Green Sapphire & Baguette Diamond Ring£16,500
  10. Early 20th Century Platinum, Pink Sapphire & Diamond Cluster Ring
    Early 20th Century Platinum, Pink Sapphire & Diamond Cluster Ring£3,250
  11. Art Nouveau 18ct Gold & Platinum Diamond Flower Ring
    Art Nouveau 18ct Gold & Platinum Diamond Flower Ring£4,250
  12. Art Deco 18ct Gold & Platinum Geometric Ring set with Sapphires & Diamonds
    Art Deco 18ct Gold & Platinum Geometric Ring set with Sapphires & Diamonds£3,250
  13. Early 20th Century Platinum Sapphire & Diamond Three Stone Ring
    Early 20th Century Platinum Sapphire & Diamond Three Stone Ring£1,350
  14. French Early 20th Century 18ct Gold & Platinum, Large Emerald & Diamond Crossover Ring
    French Early 20th Century 18ct Gold & Platinum, Large Emerald & Diamond Crossover Ring£42,500
  15. Edwardian 15ct Gold & Platinum, Suffragette Brooch Pendant set with Diamonds, Amethysts & Green Garnets
    Edwardian 15ct Gold & Platinum, Suffragette Brooch Pendant set with Diamonds, Amethysts & Green Garnets£6,750
  16. Early 20th Century Platinum Ring set with a Cabochon Ruby & Rose Diamonds
    Early 20th Century Platinum Ring set with a Cabochon Ruby & Rose Diamonds£8,750
  17. Art Deco 18ct Gold & Platinum, Ruby & Diamond Oval Cluster Ring
    Art Deco 18ct Gold & Platinum, Ruby & Diamond Oval Cluster Ring£1,675
  18. Art Deco 18ct Gold & Platinum Oval Shape Ring set with Diamonds
    Art Deco 18ct Gold & Platinum Oval Shape Ring set with Diamonds£1,650
  19. Art Deco Platinum Fancy Crossover Ring set with Diamonds & Rubies
    Art Deco Platinum Fancy Crossover Ring set with Diamonds & Rubies£2,650
  20. Art Deco 18ct Gold & Platinum Amethyst & Diamond Octagonal Ring
    Art Deco 18ct Gold & Platinum Amethyst & Diamond Octagonal Ring£3,250
  21. Art Deco Platinum Two Stone Diamond Crossover Ring with Small Baguette Diamond Shoulders
    Art Deco Platinum Two Stone Diamond Crossover Ring with Small Baguette Diamond Shoulders£2,650
  22. Art Deco 18ct Gold & Platinum, Emerald & Diamond Ornate Ring
    Art Deco 18ct Gold & Platinum, Emerald & Diamond Ornate Ring£6,750
  23. Edwardian 18ct Gold & Platinum Diamond Cluster Ring
    Edwardian 18ct Gold & Platinum Diamond Cluster Ring£1,650
  24. Edwardian 15ct Gold & Platinum Diamond Pear Shaped Drop Earrings
    Edwardian 15ct Gold & Platinum Diamond Pear Shaped Drop Earrings£4,750
  25. Art Deco Platinum Two Stone Diamond Crossover Ring with Baguette Diamond Shoulders
    Art Deco Platinum Two Stone Diamond Crossover Ring with Baguette Diamond Shoulders£12,500
  26. Art Deco Platinum 2.10 Carat Old European Cut Diamond Solitaire Ring
    Art Deco Platinum 2.10 Carat Old European Cut Diamond Solitaire Ring£18,500
  27. Early 20th Century Platinum, Ruby & Diamond Crossover Ring
    Early 20th Century Platinum, Ruby & Diamond Crossover Ring£5,750
  28. Edwardian 18ct Gold & Platinum, Ruby & Diamond Ornate Ring
    Edwardian 18ct Gold & Platinum, Ruby & Diamond Ornate Ring£1,875
  29. Edwardian 18ct & Platinum Triple Pansy Cluster Ring set with Diamonds
    Edwardian 18ct & Platinum Triple Pansy Cluster Ring set with Diamonds£2,850
  30. Edwardian 18ct White Gold, Emerald & Diamond Cluster Ring
    Edwardian 18ct White Gold, Emerald & Diamond Cluster Ring£2,750
  31. Early 20th Century 14ct Gold & Platinum Round Earrings set with Old Mine Cut Diamonds
    Early 20th Century 14ct Gold & Platinum Round Earrings set with Old Mine Cut Diamonds£2,650
  32. Art Deco 18ct White Gold & Platinum Diamond Solitaire Ring with Flared Shoulders
    Art Deco 18ct White Gold & Platinum Diamond Solitaire Ring with Flared Shoulders£3,650
  33. Art Deco Platinum Hexagonal Diamond Cluster Ring
    Art Deco Platinum Hexagonal Diamond Cluster Ring£9,750
  34. Edwardian 18ct Gold & Platinum, Rectangular Diamond & Sapphire Crossover Ring
    Edwardian 18ct Gold & Platinum, Rectangular Diamond & Sapphire Crossover Ring£7,500
  35. Art Deco Platinum Four Stone Diamond Ring
    Art Deco Platinum Four Stone Diamond Ring£2,850
  36. Edwardian 15ct Gold & Platinum, Peridot & Diamond Drop Earrings
    Edwardian 15ct Gold & Platinum, Peridot & Diamond Drop Earrings£3,250