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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. Edwardian 18ct White Gold & Platinum Peridot & Diamond Cluster Ring
    Edwardian 18ct White Gold & Platinum Peridot & Diamond Cluster RingAU$8,550
  2. Early 20th Century 18ct Gold & Platinum, Three Stone Diamond Ring with Diamond Set Shoulders
    Early 20th Century 18ct Gold & Platinum, Three Stone Diamond Ring with Diamond Set ShouldersAU$6,550
  3. Art Nouveau 18ct Gold & Platinum, Diamond, Emerald, Ruby & Sapphire Ring
    Art Nouveau 18ct Gold & Platinum, Diamond, Emerald, Ruby & Sapphire RingAU$16,600AU$13,600
  4. Edwardian Platinum & Diamond Rectangular Brooch
    Edwardian Platinum & Diamond Rectangular BroochAU$7,050
  5. Edwardian 18ct Gold & Platinum, Triple Cluster Ring set with Diamonds
    Edwardian 18ct Gold & Platinum, Triple Cluster Ring set with DiamondsAU$6,550
  6. Edwardian 18ct White Gold & Platinum Ring set with a Heart Shaped Ruby & Diamonds
    Edwardian 18ct White Gold & Platinum Ring set with a Heart Shaped Ruby & DiamondsAU$7,350
  7. Edwardian 18ct Gold & Platinum, Two Stone Diamond & Emerald Ring with Ornate Shoulders
    Edwardian 18ct Gold & Platinum, Two Stone Diamond & Emerald Ring with Ornate ShouldersAU$5,750
  8. Art Deco 18ct Gold & Platinum Diamond Crossover Ring
    Art Deco 18ct Gold & Platinum Diamond Crossover RingAU$4,550
  9. French Early 20th Century Platinum, Solitaire Diamond Ring
    French Early 20th Century Platinum, Solitaire Diamond RingAU$5,350
  10. Early 20th Century Platinum, Five Stone Diamond Ring
    Early 20th Century Platinum, Five Stone Diamond RingAU$10,600
  11. Early 20th Century 18ct Gold & Platinum, Emerald & Diamond Rectangular Cluster Ring
    Early 20th Century 18ct Gold & Platinum, Emerald & Diamond Rectangular Cluster RingAU$25,150
  12. Edwardian 18ct Gold & Platinum, Diamond Cluster Ring with Diamond set Shoulders
    Edwardian 18ct Gold & Platinum, Diamond Cluster Ring with Diamond set ShouldersOn Hold
  13. Edwardian 18ct Gold & Platinum, Two Stone Diamond Crossover Ring
    Edwardian 18ct Gold & Platinum, Two Stone Diamond Crossover RingOn Hold
  14. Edwardian 18ct Gold & Platinum, Sapphire & Diamond Two Row Cluster Ring
    Edwardian 18ct Gold & Platinum, Sapphire & Diamond Two Row Cluster RingAU$9,350
  15. Early 20th Century Platinum, Square Cut Sapphire & Diamond Ring
    Early 20th Century Platinum, Square Cut Sapphire & Diamond RingAU$6,550
  16. Art Nouveau 18ct Gold & Platinum Three Leaf Clover Ring set with Diamonds
    Art Nouveau 18ct Gold & Platinum Three Leaf Clover Ring set with DiamondsAU$5,350
  17. Edwardian Gold & Silver Greyhound Brooch set with Diamonds
    Edwardian Gold & Silver Greyhound Brooch set with DiamondsAU$5,950
  18. Art Deco Platinum, Emerald & Diamond Rectangular Ring with Diamond set Shoulders
    Art Deco Platinum, Emerald & Diamond Rectangular Ring with Diamond set ShouldersAU$7,950
  19. French Early 20th Century Platinum, Sapphire & Diamond Cluster Ring
    French Early 20th Century Platinum, Sapphire & Diamond Cluster RingAU$5,950
  20. Art Deco Platinum Large Sunburst Rectangular Brooch set with Diamonds
    Art Deco Platinum Large Sunburst Rectangular Brooch set with DiamondsAU$37,200
  21. Edwardian 15ct Gold & Platinum, Opal, Diamond & Ruby Pendant in Original Case
    Edwardian 15ct Gold & Platinum, Opal, Diamond & Ruby Pendant in Original CaseAU$5,950
  22. Art Deco Platinum Solitaire Old Mine Cut Diamond Ring in Square Setting
    Art Deco Platinum Solitaire Old Mine Cut Diamond Ring in Square SettingAU$19,600
  23. Edwardian Platinum, Sapphire & Two Row Diamond Cluster Ring
    Edwardian Platinum, Sapphire & Two Row Diamond Cluster RingAU$5,950
  24. Art Deco 18ct Gold & Platinum, Opal Ring with Diamond Set Shoulders
    Art Deco 18ct Gold & Platinum, Opal Ring with Diamond Set ShouldersAU$5,950
  25. Art Deco Platinum, Sapphire & Diamond Cluster Ring
    Art Deco Platinum, Sapphire & Diamond Cluster RingAU$8,550
  26. Edwardian Platinum Crossover Double Daisy Cluster Diamond Ring
    Edwardian Platinum Crossover Double Daisy Cluster Diamond RingAU$6,550
  27. Mid 20th Century Platinum Intertwined Hearts Ring set with Diamonds
    Mid 20th Century Platinum Intertwined Hearts Ring set with DiamondsAU$5,350
  28. French Early 20th Century Platinum Sapphire & Diamond Ring
    French Early 20th Century Platinum Sapphire & Diamond RingAU$9,050
  29. Art Deco Platinum Sapphire & Diamond Ornate Oval Ring
    Art Deco Platinum Sapphire & Diamond Ornate Oval RingAU$15,100
  30. Art Deco Platinum, Green Tourmaline Ring with Diamond Set Shoulders
    Art Deco Platinum, Green Tourmaline Ring with Diamond Set ShouldersAU$5,950
  31. Retro Double Diamond Platinum Brooch by Charles Holl set with Sapphires & Diamonds
    Retro Double Diamond Platinum Brooch by Charles Holl set with Sapphires & DiamondsAU$25,150
  32. Art Deco 18ct Gold & Platinum, Ruby & Diamond Ornate Target Ring
    Art Deco 18ct Gold & Platinum, Ruby & Diamond Ornate Target RingAU$10,600
  33. Edwardian Platinum Drop Earrings set with Pink Topaz & Diamonds
    Edwardian Platinum Drop Earrings set with Pink Topaz & DiamondsAU$25,150
  34. Art Deco Platinum Emerald & Diamond Crossover Ring
    Art Deco Platinum Emerald & Diamond Crossover RingAU$9,750
  35. Edwardian Platinum, Natural Pearl & Diamond Swag Necklace
    Edwardian Platinum, Natural Pearl & Diamond Swag NecklaceAU$8,550
  36. Retro 18ct Gold & Platinum Snake Bracelet set with a Synthetic Sapphire & Diamonds
    Retro 18ct Gold & Platinum Snake Bracelet set with a Synthetic Sapphire & DiamondsAU$9,050
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