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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 18ct Gold & Platinum, Sapphire & Diamond Three Stone Ring
    Early 20th Century 18ct Gold & Platinum, Sapphire & Diamond Three Stone RingAU$5,550
  2. Edwardian Platinum, Diamond Daisy Cluster Earrings
    Edwardian Platinum, Diamond Daisy Cluster EarringsAU$9,950
  3. Edwardian 18ct Gold & Platinum Emerald & Diamond Triple Cluster Ring
    Edwardian 18ct Gold & Platinum Emerald & Diamond Triple Cluster RingAU$8,550
  4. French Art Deco 18ct Gold Lapis Lazuli & Rose Diamond Cufflinks
    French Art Deco 18ct Gold Lapis Lazuli & Rose Diamond CufflinksAU$4,550
  5. Early 20th Century 18ct Gold & Platinum, Three Stone Diamond Ring
    Early 20th Century 18ct Gold & Platinum, Three Stone Diamond RingAU$26,150
  6. Art Deco Platinum Wide Eternity Ring set with Diamonds
    Art Deco Platinum Wide Eternity Ring set with DiamondsAU$9,350
  7. Edwardian 18ct Gold & Platinum Sapphire & Diamond Oval Cluster Ring
    Edwardian 18ct Gold & Platinum Sapphire & Diamond Oval Cluster RingAU$5,350
  8. Early 20th Century Platinum Claw Set Three Stone Diamond Ring
    Early 20th Century Platinum Claw Set Three Stone Diamond RingAU$5,950
  9. Art Deco Platinum Diamond Octagonal Cluster Ring
    Art Deco Platinum Diamond Octagonal Cluster RingAU$5,350
  10. Art Deco Platinum Diamond Solitaire Ring with Baguette Cut Diamond Step Cut Shoulders
    Art Deco Platinum Diamond Solitaire Ring with Baguette Cut Diamond Step Cut ShouldersAU$45,250
  11. Edwardian Platinum Ring set with a Diamond & Natural Saltwater Pearl
    Edwardian Platinum Ring set with a Diamond & Natural Saltwater PearlAU$10,600
  12. Art Deco Platinum Pink Sapphire & Diamond Zig Zag Ring
    Art Deco Platinum Pink Sapphire & Diamond Zig Zag RingAU$13,600
  13. Art Deco 18ct Gold & Platinum, Cabochon Emerald & Diamond Ring
    Art Deco 18ct Gold & Platinum, Cabochon Emerald & Diamond RingOn Hold
  14. Mid 20th Century Platinum, Three Stone Diamond Ring
    Mid 20th Century Platinum, Three Stone Diamond RingAU$9,950
  15. Victorian 18ct Gold Three Stone Sapphire & Diamond Carved Half Hoop Ring
    Victorian 18ct Gold Three Stone Sapphire & Diamond Carved Half Hoop RingAU$6,550
  16. Early 20th Century Platinum Ruby & Diamond Cluster Ring
    Early 20th Century Platinum Ruby & Diamond Cluster RingAU$7,750
  17. Art Deco 18ct Gold & Platinum, Ruby & Diamond Large Oval Cluster Ring
    Art Deco 18ct Gold & Platinum, Ruby & Diamond Large Oval Cluster RingAU$7,050
  18. Large Sapphire Ring with Diamond & Sapphire Shoulders
    Large Sapphire Ring with Diamond & Sapphire ShouldersAU$33,200
  19. Early 20th Century 18ct White & Yellow Gold Diamond Dormeuse Earrings
    Early 20th Century 18ct White & Yellow Gold Diamond Dormeuse EarringsAU$2,600
  20. Early 20th Century 18ct Gold & Platinum Ring set with a Fancy Coloured Diamond with Small Diamonds Around It
    Early 20th Century 18ct Gold & Platinum Ring set with a Fancy Coloured Diamond with Small Diamonds Around ItAU$37,200
  21. Art Deco Platinum, Pave Set Old Mine Cut Diamond Oval Cluster Ring
    Art Deco Platinum, Pave Set Old Mine Cut Diamond Oval Cluster RingAU$12,600
  22. 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 CaseAU$36,200
  23. Art Deco 18ct Gold & Platinum Diamond Ring
    Art Deco 18ct Gold & Platinum Diamond RingAU$8,550
  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 ShouldersAU$11,400
  25. Edwardian 18ct Gold & Platinum Daisy Cluster Ring
    Edwardian 18ct Gold & Platinum Daisy Cluster RingAU$5,350
  26. 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 SapphireAU$4,550
  27. Large French Platinum Sapphire & Diamond Oval Cluster Ring
    Large French Platinum Sapphire & Diamond Oval Cluster RingAU$85,450
  28. Edwardian 18ct Gold & Platinum, Emerald & Diamond Square Ring
    Edwardian 18ct Gold & Platinum, Emerald & Diamond Square RingAU$5,350
  29. Edwardian 18ct Gold & Platinum Rectangular Cut Emerald & Diamond Cluster Ring
    Edwardian 18ct Gold & Platinum Rectangular Cut Emerald & Diamond Cluster RingAU$6,550
  30. Early 20th Century 18ct White Gold Three Stone Sapphire & Diamond Ring
    Early 20th Century 18ct White Gold Three Stone Sapphire & Diamond RingAU$16,600
  31. Art Deco 18ct Gold & Platinum. Zircon & Diamond Cluster Ring
    Art Deco 18ct Gold & Platinum. Zircon & Diamond Cluster RingAU$5,350
  32. Early 20th Century, Platinum Three Stone Diamond Ring
    Early 20th Century, Platinum Three Stone Diamond RingAU$9,950
  33. 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 DiamondAU$7,350
  34. Edwardian 18ct Gold & Platinum Turquoise & Diamond Cluster Ring
    Edwardian 18ct Gold & Platinum Turquoise & Diamond Cluster RingAU$7,750
  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 ShouldersAU$5,950
  36. Edwardian 18ct White Gold & Platinum Peridot & Diamond Cluster Ring
    Edwardian 18ct White Gold & Platinum Peridot & Diamond Cluster RingAU$8,550