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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. Edwardian 18ct Gold & Platinum Marquise Ring set with Diamonds
    Edwardian 18ct Gold & Platinum Marquise Ring set with Diamonds$6,500
  2. Edwardian Platinum Bombè Ring set with Diamonds
    Edwardian Platinum Bombè Ring set with Diamonds$5,050
  3. Art Deco Platinum, Emerald & Diamond Ring with Cupid's Arrow Motifs
    Art Deco Platinum, Emerald & Diamond Ring with Cupid's Arrow Motifs$5,900
  4. Art Deco Platinum, Natural Saltwater Pearl & Diamond Drop Earrings
    Art Deco Platinum, Natural Saltwater Pearl & Diamond Drop Earrings$51,750
  5. Early 20th Century French 18ct Gold & Platinum, Diamond Cluster Drop Earrings
    Early 20th Century French 18ct Gold & Platinum, Diamond Cluster Drop Earrings$10,850
  6. Early 20th Century Platinum Diamond Bracelet
    Early 20th Century Platinum Diamond Bracelet$24,250
  7. Art Deco Platinum Sapphire & Diamond Pendant on a 9ct White Gold Chain
    Art Deco Platinum Sapphire & Diamond Pendant on a 9ct White Gold Chain$5,600
  8. Art Deco Platinum Fan Ring set with Calibré Cut Emeralds & Diamonds
    Art Deco Platinum Fan Ring set with Calibré Cut Emeralds & Diamonds$8,850
  9. Early 20th Century Platinum, Diamond & Sapphire Cluster Ring
    Early 20th Century Platinum, Diamond & Sapphire Cluster Ring$5,600
  10. Art Deco Platinum, Sapphire & Diamond Geometric Ring
    Art Deco Platinum, Sapphire & Diamond Geometric Ring$5,200
  11. Early 20th Century Platinum & Diamond Ring with Maltese Cross Motif
    Early 20th Century Platinum & Diamond Ring with Maltese Cross Motif$8,850
  12. Early 20th Century French 18ct Gold & Platinum Earrings set with Diamonds
    Early 20th Century French 18ct Gold & Platinum Earrings set with Diamonds$2,200
  13. Edwardian 15ct Gold & Platinum, Peridot & Diamond Drop Earrings
    Edwardian 15ct Gold & Platinum, Peridot & Diamond Drop Earrings$4,300
  14. Art Deco 18ct White Gold & Platinum Rectangular Zircon & Diamond Ring
    Art Deco 18ct White Gold & Platinum Rectangular Zircon & Diamond Ring$2,950
  15. Art Deco Platinum, Opal & Diamond Drop Earrings
    Art Deco Platinum, Opal & Diamond Drop Earrings$16,400
  16. Art Deco Platinum, Three Stone Emerald & Diamond Cluster Ring
    Art Deco Platinum, Three Stone Emerald & Diamond Cluster Ring$12,800
  17. Early 20th Century French 18ct Gold & Platinum Two Stone Diamond Crossover Ring
    Early 20th Century French 18ct Gold & Platinum Two Stone Diamond Crossover Ring$3,900
  18. Art Deco 18ct Gold & Platinum Square Ring set with an Emerald & Diamonds
    Art Deco 18ct Gold & Platinum Square Ring set with an Emerald & Diamonds$3,500
  19. Art Deco 18ct Gold & Platinum. Zircon & Diamond Cluster Ring
    Art Deco 18ct Gold & Platinum. Zircon & Diamond Cluster Ring$3,500
  20. Early 20th Century Platinum Narrow Eternity Ring set with Diamonds
    Early 20th Century Platinum Narrow Eternity Ring set with Diamonds$1,700
  21. Edwardian Platinum, Diamond Cluster Ring with 1.25 Carat Old Mine Cut Diamond
    Edwardian Platinum, Diamond Cluster Ring with 1.25 Carat Old Mine Cut Diamond$16,400
  22. Edwardian 18ct White Gold Diamond Cross Pendant in Original Case
    Edwardian 18ct White Gold Diamond Cross Pendant in Original Case$8,850
  23. Early 20th Century 18ct Gold & Platinum, Three Stone Diamond Ring
    Early 20th Century 18ct Gold & Platinum, Three Stone Diamond Ring$17,050
  24. Art Deco Platinum Large Sunburst Rectangular Brooch set with Diamonds
    Art Deco Platinum Large Sunburst Rectangular Brooch set with Diamonds$24,250
  25. Early 20th Century 18ct Gold & Platinum Oval Cluster Ring set with Diamonds & a Sapphire
    Early 20th Century 18ct Gold & Platinum Oval Cluster Ring set with Diamonds & a Sapphire$6,100
  26. 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$3,750
  27. French Art Deco 18ct White Gold & Platinum, Diamond & Unheated Sapphire Elliptical Design Bracelet by Edouard Caen
    French Art Deco 18ct White Gold & Platinum, Diamond & Unheated Sapphire Elliptical Design Bracelet by Edouard Caen$25,550
  28. Art Deco 18ct Gold & Platinum, Opal Ring with Diamond Set Shoulders
    Art Deco 18ct Gold & Platinum, Opal Ring with Diamond Set Shoulders$3,900
  29. Art Deco Platinum, Large Aquamarine & Diamond Pendant
    Art Deco Platinum, Large Aquamarine & Diamond Pendant$29,500
  30. Art Deco 18ct Gold & Platinum Ring set with a Sapphire with Diamonds Around the Shank
    Art Deco 18ct Gold & Platinum Ring set with a Sapphire with Diamonds Around the Shank$4,300
  31. Art Deco 18ct White Gold, Cat's Eye Chrysoberyl & Diamond Brooch
    Art Deco 18ct White Gold, Cat's Eye Chrysoberyl & Diamond Brooch$3,900
  32. Edwardian 15ct Gold & Platinum, Opal, Diamond & Ruby Pendant in Original Case
    Edwardian 15ct Gold & Platinum, Opal, Diamond & Ruby Pendant in Original Case$3,900
  33. 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$7,450
  34. Art Deco Platinum, Diamond Solitaire Ring with Tapered Baguette Diamond Shoulders
    Art Deco Platinum, Diamond Solitaire Ring with Tapered Baguette Diamond Shoulders$8,850
  35. Art Deco 18ct White Gold & Platinum, Diamond Geometric Ring
    Art Deco 18ct White Gold & Platinum, Diamond Geometric Ring$12,800
  36. Edwardian 15ct Gold & Platinum, Opal & Diamond Bracelet
    Edwardian 15ct Gold & Platinum, Opal & Diamond Bracelet$8,850
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