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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. 18ct Gold & Platinum Ring set with a Diamond
    18ct Gold & Platinum Ring set with a DiamondAU$800
  2. Early 20th Century 18ct White Gold & Platinum Diamond Polo Cluster Ring
    Early 20th Century 18ct White Gold & Platinum Diamond Polo Cluster RingAU$5,750
  3. Art Deco Platinum & 18ct Gold, Onyx & Rose Diamond Cufflinks
    Art Deco Platinum & 18ct Gold, Onyx & Rose Diamond CufflinksAU$4,550
  4. Early 20th Century Platinum Twist Ring set with Diamonds & Rubies
    Early 20th Century Platinum Twist Ring set with Diamonds & RubiesAU$5,750
  5. Art Deco 18ct Gold & Platinum, Diamond & Calibre Ruby Rectangular Shaped Ring
    Art Deco 18ct Gold & Platinum, Diamond & Calibre Ruby Rectangular Shaped RingAU$15,100
  6. Art Deco Platinum Pierced Plaque Ring set with Sapphires & Diamonds
    Art Deco Platinum Pierced Plaque Ring set with Sapphires & DiamondsAU$7,050
  7. Retro Platinum & 18ct Gold, Three Stone Emerald & Diamond Ring
    Retro Platinum & 18ct Gold, Three Stone Emerald & Diamond RingAU$19,600
  8. French 18ct Gold Belle Epoque Bracelet set with Rubies & Diamonds
    French 18ct Gold Belle Epoque Bracelet set with Rubies & DiamondsAU$10,600
  9. Early 20th Century French Platinum Eternity Ring set with Diamonds
    Early 20th Century French Platinum Eternity Ring set with DiamondsAU$4,550
  10. Edwardian 18ct Gold & Platinum, Sapphire & Diamond Two Row Cluster Ring
    Edwardian 18ct Gold & Platinum, Sapphire & Diamond Two Row Cluster RingAU$5,350
  11. Edwardian 15ct Gold, Diamond & Aquamarine Pear Shaped Pendant
    Edwardian 15ct Gold, Diamond & Aquamarine Pear Shaped PendantOn Hold
  12. Edwardian 18ct Gold & Platinum, Sapphire & Diamond Oval Cluster Ring
    Edwardian 18ct Gold & Platinum, Sapphire & Diamond Oval Cluster RingAU$9,350
  13. French Belle Epoque 18ct Gold Marquise Diamond Ring
    French Belle Epoque 18ct Gold Marquise Diamond RingAU$7,350
  14. Edwardian Platinum Two Row Diamond Eternity Ring
    Edwardian Platinum Two Row Diamond Eternity RingAU$3,350
  15. Art Deco 18ct Gold & Platinum Square Ring set with an Emerald & Diamonds
    Art Deco 18ct Gold & Platinum Square Ring set with an Emerald & DiamondsAU$15,100
  16. Art Deco Platinum Cluster Ring set with an Opal & Diamonds
    Art Deco Platinum Cluster Ring set with an Opal & DiamondsAU$6,550
  17. French Art Nouveau 18ct Gold & Platinum, Diamond & Sapphire Twist Ring
    French Art Nouveau 18ct Gold & Platinum, Diamond & Sapphire Twist RingAU$9,350
  18. Art Deco 18ct White Gold Square Ring set with a Sapphire & Diamonds
    Art Deco 18ct White Gold Square Ring set with a Sapphire & DiamondsAU$12,600
  19. Art Deco Iridium & Platinum Watch set with Diamonds
    Art Deco Iridium & Platinum Watch set with DiamondsAU$9,350
  20. Art Deco Platinum, Ruby & Diamond Swirl Ring
    Art Deco Platinum, Ruby & Diamond Swirl RingAU$13,600
  21. Art Deco 14ct Gold & Platinum Diamond Earrings
    Art Deco 14ct Gold & Platinum Diamond EarringsAU$3,800
  22. Early 20th Century 14ct Gold & Platinum Pendant set with Green Garnets & Diamonds on 14ct Gold Chain
    Early 20th Century 14ct Gold & Platinum Pendant set with Green Garnets & Diamonds on 14ct Gold ChainAU$7,350
  23. Edwardian Platinum,Three Stone Pink Sapphire & Diamond Ring
    Edwardian Platinum,Three Stone Pink Sapphire & Diamond RingAU$5,750
  24. Early 20th Century Platinum Cluster Ring set with a Bouton Pearl & Diamonds
    Early 20th Century Platinum Cluster Ring set with a Bouton Pearl & DiamondsAU$5,750
  25. Art Deco 18ct Gold & Platinum Diamond Line Brooch
    Art Deco 18ct Gold & Platinum Diamond Line BroochAU$5,750
  26. French Import Early 20th Century Platinum Diamond Cluster Ring
    French Import Early 20th Century Platinum Diamond Cluster RingAU$9,350
  27. Edwardian Platinum, Diamond & Natural Pearl Quatrefoil Ring
    Edwardian Platinum, Diamond & Natural Pearl Quatrefoil RingAU$6,550
  28. Early 20th Century French 18ct Gold & Platinum, Diamond & Ruby Crossover Ring
    Early 20th Century French 18ct Gold & Platinum, Diamond & Ruby Crossover RingOn Hold
  29. Early 20th Century Platinum, Sapphire & Diamond Rectangular Cluster Ring
    Early 20th Century Platinum, Sapphire & Diamond Rectangular Cluster RingAU$5,350
  30. Art Deco Platinum, Diamond Solitaire Ring with Step Cut Shoulders set with Baguette Diamonds
    Art Deco Platinum, Diamond Solitaire Ring with Step Cut Shoulders set with Baguette DiamondsAU$50,250
  31. Art Nouveau 18ct Gold & Platinum Crossover Ring set with a Natural Bouton Pearl & Diamonds
    Art Nouveau 18ct Gold & Platinum Crossover Ring set with a Natural Bouton Pearl & DiamondsAU$6,550
  32. Early 20th Century Platinum, Large Zircon & Diamond Cluster Ring
    Early 20th Century Platinum, Large Zircon & Diamond Cluster RingAU$16,600
  33. Art Deco 18ct Gold & Platinum Ornate Twist Ring set with Rubies & Diamonds
    Art Deco 18ct Gold & Platinum Ornate Twist Ring set with Rubies & DiamondsAU$7,750
  34. Art Deco Platinum, Sapphire & Diamond Square Ring with Diamond Set Shoulders
    Art Deco Platinum, Sapphire & Diamond Square Ring with Diamond Set ShouldersAU$9,950
  35. Edwardian 15ct Gold & Platinum Drop Earrings set with Diamonds & Natural Pearls
    Edwardian 15ct Gold & Platinum Drop Earrings set with Diamonds & Natural PearlsAU$5,350
  36. Art Deco 14ct Gold & Platinum Rectangular Ring set with Diamonds
    Art Deco 14ct Gold & Platinum Rectangular Ring set with DiamondsAU$6,550
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