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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 15ct Gold & Platinum Diamond Pear Shaped Drop Earrings
    Edwardian 15ct Gold & Platinum Diamond Pear Shaped Drop EarringsAU$9,550
  2. Art Deco Platinum, Ruby & Diamond Unusual Cluster Ring
    Art Deco Platinum, Ruby & Diamond Unusual Cluster RingAU$9,950
  3. Art Deco Platinum Ring set with Five Old Mine Cut Diamonds
    Art Deco Platinum Ring set with Five Old Mine Cut DiamondsAU$10,600
  4. 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 DiamondsAU$16,600
  5. Art Deco French Platinum Ring set with Diamonds, Emeralds & Onyx
    Art Deco French Platinum Ring set with Diamonds, Emeralds & OnyxAU$16,600
  6. Early 20th Century Platinum and Diamond Five Stone Ring
    Early 20th Century Platinum and Diamond Five Stone RingAU$3,800
  7. Early 20th Century French Import Platinum Cluster Ring set with a Sapphire & Diamonds
    Early 20th Century French Import Platinum Cluster Ring set with a Sapphire & DiamondsAU$30,150
  8. Art Deco Platinum, Diamond Solitaire Ring with Tapered Baguette Diamond Shoulders
    Art Deco Platinum, Diamond Solitaire Ring with Tapered Baguette Diamond ShouldersAU$13,600
  9. 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 ShouldersAU$4,550
  10. Art Deco Platinum, Sapphire & Diamond Geometric Ring
    Art Deco Platinum, Sapphire & Diamond Geometric RingAU$7,950
  11. Art Deco 18ct Gold & Platinum Amethyst & Diamond Octagonal Ring
    Art Deco 18ct Gold & Platinum Amethyst & Diamond Octagonal RingAU$6,550
  12. Early 20th Century Platinum, Ruby & Diamond Cluster Ring with Diamond Set Shoulders
    Early 20th Century Platinum, Ruby & Diamond Cluster Ring with Diamond Set ShouldersAU$9,350
  13. Edwardian 18ct Gold & Platinum Diamond Daisy Cluster Ring
    Edwardian 18ct Gold & Platinum Diamond Daisy Cluster RingAU$5,350
  14. 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 DiamondsAU$5,350
  15. Art Deco Platinum, Unheated Burma Sapphire & Diamond Fancy Cluster Ring
    Art Deco Platinum, Unheated Burma Sapphire & Diamond Fancy Cluster RingAU$30,150
  16. Art Deco Platinum, Emerald & Diamond Ring with Cupid's Arrow Motifs
    Art Deco Platinum, Emerald & Diamond Ring with Cupid's Arrow MotifsAU$9,050
  17. Edwardian Platinum Marquise Diamond Flower Brooch Framed with Diamond set Leaves
    Edwardian Platinum Marquise Diamond Flower Brooch Framed with Diamond set LeavesAU$14,000
  18. Early 20th Century French 18ct Gold & Platinum, Diamond Cluster Drop Earrings
    Early 20th Century French 18ct Gold & Platinum, Diamond Cluster Drop EarringsAU$16,600
  19. Edwardian 18ct Gold & Platinum Tiara Ring set with Diamonds & a Natural Pearl
    Edwardian 18ct Gold & Platinum Tiara Ring set with Diamonds & a Natural PearlAU$7,350
  20. Art Deco Platinum Fan Ring set with Calibré Cut Emeralds & Diamonds
    Art Deco Platinum Fan Ring set with Calibré Cut Emeralds & DiamondsAU$13,600
  21. Edwardian 14ct Gold & Platinum Bracelet set with Diamonds
    Edwardian 14ct Gold & Platinum Bracelet set with DiamondsAU$37,200
  22. Early 20th Century Platinum, Diamond & Sapphire Cluster Ring
    Early 20th Century Platinum, Diamond & Sapphire Cluster RingAU$8,550
  23. French Art Deco 18ct Gold & Platinum Long Brooch set with Sapphires & Diamonds
    French Art Deco 18ct Gold & Platinum Long Brooch set with Sapphires & DiamondsAU$5,950
  24. Art Deco Platinum, Colombian Emerald & Diamond Large Three Stone Ring
    Art Deco Platinum, Colombian Emerald & Diamond Large Three Stone RingAU$33,200
  25. Edwardian Platinum Bombè Ring set with Diamonds
    Edwardian Platinum Bombè Ring set with DiamondsAU$7,750
  26. Early 20th Century Platinum, Burma Ruby & Diamond Cluster Ring with Diamond Set Shoulders
    Early 20th Century Platinum, Burma Ruby & Diamond Cluster Ring with Diamond Set ShouldersAU$33,200
  27. Art Deco Platinum Rectangular Cut Sapphire & Diamond, Diamond Shaped Ring
    Art Deco Platinum Rectangular Cut Sapphire & Diamond, Diamond Shaped RingAU$16,600
  28. Early 20th Century Platinum Diamond Bracelet
    Early 20th Century Platinum Diamond BraceletAU$37,200
  29. Early 20th Century Platinum, Ruby & Diamond Crossover Ring
    Early 20th Century Platinum, Ruby & Diamond Crossover RingAU$11,600
  30. Early 20th Century French Platinum, Peridot & Diamond Oval Cluster Ring
    Early 20th Century French Platinum, Peridot & Diamond Oval Cluster RingAU$9,950
  31. Early 20th Century Platinum, Sapphire & Diamond Oval Cluster Ring
    Early 20th Century Platinum, Sapphire & Diamond Oval Cluster RingAU$12,600
  32. Early 20th Century Platinum Ring set with a Rectangular Cut Peridot & Diamonds
    Early 20th Century Platinum Ring set with a Rectangular Cut Peridot & DiamondsAU$13,600
  33. Art Deco Platinum, Fancy Yellow Diamond Octagonal Cluster Ring
    Art Deco Platinum, Fancy Yellow Diamond Octagonal Cluster RingAU$37,200
  34. Edwardian 18ct Gold & Platinum, Pink Sapphire & Diamond Oval Cluster Ring
    Edwardian 18ct Gold & Platinum, Pink Sapphire & Diamond Oval Cluster RingAU$6,550
  35. Early 20th Century French Import Platinum, Natural Pearl & Diamond Bracelet
    Early 20th Century French Import Platinum, Natural Pearl & Diamond BraceletAU$8,550
  36. Edwardian Platinum & 15ct Gold Drop Earrings set with Opals & Diamonds
    Edwardian Platinum & 15ct Gold Drop Earrings set with Opals & DiamondsAU$9,350