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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. Art Deco Large Platinum, Cabochon Jade & Diamond Oval Cluster Ring
    Art Deco Large Platinum, Cabochon Jade & Diamond Oval Cluster RingAU$19,600
  2. Edwardian 18ct Gold & Platinum Marquise Ring set with a Ruby & Diamonds
    Edwardian 18ct Gold & Platinum Marquise Ring set with a Ruby & DiamondsAU$7,950
  3. Art Nouveau 18ct Gold & Platinum Ring set with Diamonds
    Art Nouveau 18ct Gold & Platinum Ring set with DiamondsAU$4,550
  4. 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 ShouldersAU$6,550
  5. Art Nouveau 18ct Gold & Platinum, Two Stone Diamond Crossover Ring
    Art Nouveau 18ct Gold & Platinum, Two Stone Diamond Crossover RingAU$3,350
  6. Art Deco Platinum & 15ct Gold Winning Post Tie Pin set with Diamonds
    Art Deco Platinum & 15ct Gold Winning Post Tie Pin set with DiamondsAU$2,000
  7. Early 20th Century 18ct White Gold & Platinum Three Row Diamond Ring
    Early 20th Century 18ct White Gold & Platinum Three Row Diamond RingAU$3,800
  8. Art Deco Platinum Ring set with an Asscher Cut Diamond with Diamond set Shoulders
    Art Deco Platinum Ring set with an Asscher Cut Diamond with Diamond set ShouldersAU$10,600
  9. Early 20th Century Platinum & Diamond Oval Ring
    Early 20th Century Platinum & Diamond Oval RingAU$16,600
  10. Art Deco Platinum & Diamond Circular Brooch
    Art Deco Platinum & Diamond Circular BroochAU$7,050
  11. Art Deco Jade & Diamond Buddha Brooch
    Art Deco Jade & Diamond Buddha BroochAU$10,600AU$7,550
  12. French Art Nouveau 18ct Gold & Platinum Brooch Set with a Cabochon Opal & Diamonds
    French Art Nouveau 18ct Gold & Platinum Brooch Set with a Cabochon Opal & DiamondsAU$4,550
  13. Early 20th Century 18ct Gold & Platinum Diamond Target Ring
    Early 20th Century 18ct Gold & Platinum Diamond Target RingAU$19,600
  14. Edwardian Platinum, Natural Pearl & Diamond Festoon Necklace
    Edwardian Platinum, Natural Pearl & Diamond Festoon NecklaceAU$7,950
  15. Art Nouveau 18ct Gold & Platinum Flower Sprig Ring set with Diamonds & a Natural Pearl
    Art Nouveau 18ct Gold & Platinum Flower Sprig Ring set with Diamonds & a Natural PearlAU$2,600
  16. Edwardian Platinum Diamond Twist Ring
    Edwardian Platinum Diamond Twist RingAU$10,800
  17. Early 20th Century Platinum, Octagonal Cut Sapphire & Diamond Cluster Ring
    Early 20th Century Platinum, Octagonal Cut Sapphire & Diamond Cluster RingAU$19,600
  18. Mid Century Platinum Three Stone Diamond Ring
    Mid Century Platinum Three Stone Diamond RingAU$17,600
  19. Early 20th Century French Platinum, Diamond Cluster Ring
    Early 20th Century French Platinum, Diamond Cluster RingAU$8,550
  20. Edwardian Platinum, Daisy Drop Pendant set with Diamonds
    Edwardian Platinum, Daisy Drop Pendant set with DiamondsAU$5,750
  21. French Art Nouveau Platinum & Diamond Brooch
    French Art Nouveau Platinum & Diamond BroochAU$5,950
  22. Mid 20th Century 18ct Gold & Platinum, Stylised Double Snake Ring set with a Ruby, Aquamarine & Diamonds
    Mid 20th Century 18ct Gold & Platinum, Stylised Double Snake Ring set with a Ruby, Aquamarine & DiamondsAU$9,950
  23. Edwardian Platinum & 18ct Gold Diamond Cluster Drop Earrings
    Edwardian Platinum & 18ct Gold Diamond Cluster Drop EarringsAU$13,600
  24. Edwardian 18ct White Gold & Platinum, Black Opal & Diamond Cluster Ring
    Edwardian 18ct White Gold & Platinum, Black Opal & Diamond Cluster RingAU$19,600
  25. Platinum Solitaire Diamond Ring with Baguette Diamond Shoulders
    Platinum Solitaire Diamond Ring with Baguette Diamond ShouldersAU$8,550
  26. Edwardian 18ct Gold & Diamond Open Work Cluster Ring
    Edwardian 18ct Gold & Diamond Open Work Cluster RingAU$7,350
  27. Edwardian Platinum Long Drop Earrings set with Diamonds & Pear Shaped Aquamarines
    Edwardian Platinum Long Drop Earrings set with Diamonds & Pear Shaped AquamarinesAU$16,600
  28. 1970s French 18ct Gold & Platinum Turquoise & Diamond Coil Ring
    1970s French 18ct Gold & Platinum Turquoise & Diamond Coil RingAU$9,350
  29. Early 20th Century 18ct Gold & Platinum Two Stone Diamond Crossover Ring
    Early 20th Century 18ct Gold & Platinum Two Stone Diamond Crossover RingAU$5,750
  30. French Early 20th Century 18ct Gold Brooch of an Elephant set with Rose Diamonds, Rubies & a Natural Pearl
    French Early 20th Century 18ct Gold Brooch of an Elephant set with Rose Diamonds, Rubies & a Natural PearlAU$6,550
  31. Art Nouveau French Import 18ct Gold & Platinum Fancy Crossover Ring set with Diamonds
    Art Nouveau French Import 18ct Gold & Platinum Fancy Crossover Ring set with DiamondsAU$7,350
  32. Mid 20th Century Platinum Rectangular Cut Green Tourmaline & Diamond Ring
    Mid 20th Century Platinum Rectangular Cut Green Tourmaline & Diamond RingAU$8,550
  33. Edwardian 18ct Gold & Platinum Marquise Ring set with a Pink Sapphire & Diamonds
    Edwardian 18ct Gold & Platinum Marquise Ring set with a Pink Sapphire & DiamondsAU$9,950
  34. Art Deco Platinum & Diamond Eternity Ring
    Art Deco Platinum & Diamond Eternity RingAU$5,050
  35. Art Deco Platinum & 18ct Gold Cufflinks with Baguette Diamonds & Black Enamel Detail
    Art Deco Platinum & 18ct Gold Cufflinks with Baguette Diamonds & Black Enamel DetailAU$3,800
  36. Retro Platinum, Diamond Solitaire Ring with Diamond set Shoulders
    Retro Platinum, Diamond Solitaire Ring with Diamond set ShouldersOn Hold
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