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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. Early 20th Century 18ct White Gold & Platinum Three Stone Diamond Ring
    Early 20th Century 18ct White Gold & Platinum Three Stone Diamond RingAU$5,950
  2. Edwardian 18ct Gold & Platinum Marquise Ring set with Diamonds
    Edwardian 18ct Gold & Platinum Marquise Ring set with DiamondsAU$9,350
  3. Art Deco 14ct White Gold, Green Tourmaline & Rose Diamond Ring
    Art Deco 14ct White Gold, Green Tourmaline & Rose Diamond RingAU$5,950
  4. Art Deco Platinum Four Stone Diamond Ring
    Art Deco Platinum Four Stone Diamond RingAU$5,750
  5. Art Deco 18ct Gold & Platinum Square Ring set with a Sapphire, Emeralds & Diamonds
    Art Deco 18ct Gold & Platinum Square Ring set with a Sapphire, Emeralds & DiamondsAU$19,600
  6. Edwardian Platinum, Sapphire & Diamond Marquise Ring
    Edwardian Platinum, Sapphire & Diamond Marquise RingAU$7,950
  7. Art Deco Platinum Zircon & Diamond Drop Earrings
    Art Deco Platinum Zircon & Diamond Drop EarringsAU$18,000
  8. Early 20th Century Large Platinum Cluster Ring set with an Opal & Diamonds
    Early 20th Century Large Platinum Cluster Ring set with an Opal & DiamondsAU$16,600
  9. Art Deco 18ct Gold & Platinum Oval Ring set with Natural Pearls, Rubies & Rose Diamonds
    Art Deco 18ct Gold & Platinum Oval Ring set with Natural Pearls, Rubies & Rose DiamondsAU$8,550
  10. Art Deco Platinum Solitaire Diamond Ring with Step Cut Shoulders set with Baguette Diamonds
    Art Deco Platinum Solitaire Diamond Ring with Step Cut Shoulders set with Baguette DiamondsAU$7,750
  11. Art Deco 18ct Gold & Platinum, Cabochon Sapphire & Diamond Cluster Ring by Bailey Banks & Biddle
    Art Deco 18ct Gold & Platinum, Cabochon Sapphire & Diamond Cluster Ring by Bailey Banks & BiddleAU$15,100
  12. Art Deco 18ct Gold & Platinum Diamond Shaped Ring set with Rubies & Diamonds
    Art Deco 18ct Gold & Platinum Diamond Shaped Ring set with Rubies & DiamondsAU$3,800
  13. Early 20th Century Large Platinum Aquamarine & Diamond Cluster Ring
    Early 20th Century Large Platinum Aquamarine & Diamond Cluster RingAU$15,100
  14. 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 ShankAU$6,550
  15. Art Deco Platinum, Opal & Diamond Drop Earrings
    Art Deco Platinum, Opal & Diamond Drop EarringsAU$25,150
  16. Art Deco 18ct White Gold & Platinum, Diamond Geometric Ring
    Art Deco 18ct White Gold & Platinum, Diamond Geometric RingAU$19,600
  17. Edwardian 15ct Gold & Platinum, Peridot & Diamond Drop Earrings
    Edwardian 15ct Gold & Platinum, Peridot & Diamond Drop EarringsAU$6,550
  18. Art Deco 18ct Gold, Calibre Cut Ruby & Diamond Octagonal Ring
    Art Deco 18ct Gold, Calibre Cut Ruby & Diamond Octagonal RingAU$5,950
  19. Edwardian 18ct Gold & Platinum, Large Diamond Cluster Ring
    Edwardian 18ct Gold & Platinum, Large Diamond Cluster RingOn Hold
  20. 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 SapphireAU$9,350
  21. Edwardian 18ct Gold & Platinum Slanted Heart Shaped Cluster Ring
    Edwardian 18ct Gold & Platinum Slanted Heart Shaped Cluster RingAU$10,600
  22. Early 20th Century 18ct White Gold & Platinum Three Stone Diamond Ring
    Early 20th Century 18ct White Gold & Platinum Three Stone Diamond RingAU$8,550
  23. Art Deco Platinum Sapphire & Diamond Pendant on a 9ct White Gold Chain
    Art Deco Platinum Sapphire & Diamond Pendant on a 9ct White Gold ChainAU$8,550
  24. Early 20th Century Platinum Transition Cut Diamond Solitaire Earrings
    Early 20th Century Platinum Transition Cut Diamond Solitaire EarringsAU$9,350
  25. Art Deco Platinum Hoop Earrings set with Onyx & Diamonds
    Art Deco Platinum Hoop Earrings set with Onyx & DiamondsAU$10,600
  26. Art Deco 18ct White Gold & Platinum Emerald & Diamond Cluster Ring
    Art Deco 18ct White Gold & Platinum Emerald & Diamond Cluster RingAU$5,950
  27. Edwardian Platinum, Turquoise & Diamond Ring
    Edwardian Platinum, Turquoise & Diamond RingAU$3,050
  28. Early Twentieth Century French Platinum Old Mine Cut Diamond Cluster Ring
    Early Twentieth Century French Platinum Old Mine Cut Diamond Cluster RingAU$9,050
  29. Art Deco Platinum & Diamond Cluster Target Ring with Greek Key Design Motif
    Art Deco Platinum & Diamond Cluster Target Ring with Greek Key Design MotifAU$9,950
  30. Portuguese Art Deco Platinum & Diamond Ring with Small Diamonds Around the Edge
    Portuguese Art Deco Platinum & Diamond Ring with Small Diamonds Around the EdgeAU$28,650
  31. Art Deco Platinum, Large Aquamarine & Diamond Pendant
    Art Deco Platinum, Large Aquamarine & Diamond PendantAU$45,250
  32. Edwardian Platinum, Solitaire Diamond Crossover Ring with Diamond set Shoulders
    Edwardian Platinum, Solitaire Diamond Crossover Ring with Diamond set ShouldersAU$9,950
  33. Platinum, Diamond Cluster Earrings
    Platinum, Diamond Cluster EarringsAU$8,550
  34. Art Deco Platinum Rectangular Ring set with an Emerald & Diamonds
    Art Deco Platinum Rectangular Ring set with an Emerald & DiamondsAU$19,600
  35. French Art Deco Platinum, Onyx & Diamond Oval Ring
    French Art Deco Platinum, Onyx & Diamond Oval RingAU$13,600
  36. Edwardian 18ct White Gold Diamond Cross Pendant in Original Case
    Edwardian 18ct White Gold Diamond Cross Pendant in Original CaseAU$13,600
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