The Antique Jewellery Company
Latest Finds Most Popular Expert Picks The Archive Sale Eras Collections
Contact Book A Consultation Join VIP
Wishlist Sign In
The Antique Jewellery Company Tray 0
Book Your Appointment
Free Shipping across Australia
The Antique Jewellery Company Experts since 1975Read Our Story
The Antique Jewellery Company

Platinum & Diamond Jewellery

Explore antique and vintage platinum & diamond jewellery, handpicked for character, quality and craftsmanship.

  1. Edwardian 18ct Gold & Platinum, Ruby & Diamond Ornate Ring
    Edwardian 18ct Gold & Platinum, Ruby & Diamond Ornate RingAU$3,800
  2. Art Deco Platinum Green Tourmaline & Diamond Ring
    Art Deco Platinum Green Tourmaline & Diamond RingAU$8,550
  3. Edwardian 18ct White Gold, Emerald & Diamond Cluster Ring
    Edwardian 18ct White Gold, Emerald & Diamond Cluster RingAU$5,550
  4. Edwardian 18ct Gold & Platinum, Triple Diamond Cluster Ring
    Edwardian 18ct Gold & Platinum, Triple Diamond Cluster RingAU$1,550
  5. Art Deco Platinum Large Green Sapphire & Baguette Diamond Ring
    Art Deco Platinum Large Green Sapphire & Baguette Diamond RingAU$33,200
  6. Art Deco 18ct Gold & Platinum, Emerald & Diamond Ornate Ring
    Art Deco 18ct Gold & Platinum, Emerald & Diamond Ornate RingAU$13,600
  7. Art Deco Platinum, Emerald & Diamond Ornate Rectangular Ring
    Art Deco Platinum, Emerald & Diamond Ornate Rectangular RingAU$8,550
  8. Edwardian 15ct Gold & Platinum, Aquamarine & Diamond Drop Earrings
    Edwardian 15ct Gold & Platinum, Aquamarine & Diamond Drop EarringsAU$5,950
  9. Early 20th Century Platinum Narrow Eternity Ring set with Diamonds
    Early 20th Century Platinum Narrow Eternity Ring set with DiamondsAU$2,600
  10. French Platinum Tourbillon Ring set with Diamonds
    French Platinum Tourbillon Ring set with DiamondsAU$10,600
  11. Edwardian 18ct Gold & Platinum, Diamond Daisy Cluster Ring
    Edwardian 18ct Gold & Platinum, Diamond Daisy Cluster RingAU$13,600
  12. Art Deco Platinum Two Stone Diamond Crossover Ring with Baguette Diamond Shoulders
    Art Deco Platinum Two Stone Diamond Crossover Ring with Baguette Diamond ShouldersAU$25,150
  13. Art Deco 18ct Gold Large Three Stone Diamond Ring
    Art Deco 18ct Gold Large Three Stone Diamond RingAU$30,150
  14. Art Deco Platinum 2.27 Carat Diamond Solitaire Ring with Tapered Baguette Diamond Shoulders
    Art Deco Platinum 2.27 Carat Diamond Solitaire Ring with Tapered Baguette Diamond ShouldersAU$52,300
  15. Art Deco Irridium & Platinum Rectangular Flat Cut Diamond & French Cut Ruby Ring
    Art Deco Irridium & Platinum Rectangular Flat Cut Diamond & French Cut Ruby RingAU$13,600
  16. Art Deco Platinum Two Stone Diamond Crossover Ring with Small Baguette Diamond Shoulders
    Art Deco Platinum Two Stone Diamond Crossover Ring with Small Baguette Diamond ShouldersAU$5,350
  17. Edwardian 18ct Gold & Platinum, Diamond Marquise Shaped Ring
    Edwardian 18ct Gold & Platinum, Diamond Marquise Shaped RingAU$3,800
  18. Early 20th Century 18ct White Gold & Platinum Sapphire & Diamond Cluster Drop Earrings
    Early 20th Century 18ct White Gold & Platinum Sapphire & Diamond Cluster Drop EarringsAU$13,600
  19. Art Deco Platinum, Natural Saltwater Pearl & Diamond Drop Earrings
    Art Deco Platinum, Natural Saltwater Pearl & Diamond Drop EarringsAU$79,400
  20. Early 20th Century Platinum Ring set with a Large Ceylon Sapphire & Diamonds
    Early 20th Century Platinum Ring set with a Large Ceylon Sapphire & DiamondsAU$53,300
  21. Art Deco 18ct White Gold & Platinum Rectangular Zircon & Diamond Ring
    Art Deco 18ct White Gold & Platinum Rectangular Zircon & Diamond RingAU$4,550
  22. Art Deco 18ct White Gold, Cat's Eye Chrysoberyl & Diamond Brooch
    Art Deco 18ct White Gold, Cat's Eye Chrysoberyl & Diamond BroochAU$5,950
  23. Edwardian 18ct Gold & Platinum, Diamond Crossover Ring
    Edwardian 18ct Gold & Platinum, Diamond Crossover RingAU$5,950
  24. French Art Deco Platinum Large Diamond Bombé Ring
    French Art Deco Platinum Large Diamond Bombé RingAU$19,600
  25. Early 20th Century Platinum, Conch Pearl & Diamond Drop Earrings
    Early 20th Century Platinum, Conch Pearl & Diamond Drop EarringsAU$90,450
  26. Edwardian 18ct Gold & Platinum, Three Stone Sapphire & Diamond Ring
    Edwardian 18ct Gold & Platinum, Three Stone Sapphire & Diamond RingAU$5,350
  27. Early 20th Century Platinum Bracelet set with Burma Rubies, Diamonds & Natural Pearls
    Early 20th Century Platinum Bracelet set with Burma Rubies, Diamonds & Natural PearlsAU$30,150
  28. Early 20th Century Platinum Cabochon Emerald & Diamond Cluster Ring
    Early 20th Century Platinum Cabochon Emerald & Diamond Cluster RingAU$33,200
  29. Art Deco 18ct Gold & Platinum Frosted Rock Crystal & Diamond Bow Brooch
    Art Deco 18ct Gold & Platinum Frosted Rock Crystal & Diamond Bow BroochAU$4,550
  30. Edwardian 18ct White Gold & Platinum, Sapphire & Diamond Cluster Ring
    Edwardian 18ct White Gold & Platinum, Sapphire & Diamond Cluster RingAU$19,600
  31. Edwardian 18ct Gold & Platinum, Emerald & Diamond Crossover Ring
    Edwardian 18ct Gold & Platinum, Emerald & Diamond Crossover RingAU$6,550
  32. Art Deco Platinum, Diamond Articulated Drop Earrings
    Art Deco Platinum, Diamond Articulated Drop EarringsAU$33,200
  33. Art Deco 18ct Gold & Platinum Four Stone Diamond Ring
    Art Deco 18ct Gold & Platinum Four Stone Diamond RingAU$7,350
  34. Art Deco 18ct White Gold, Aascher Cut Diamond & French Cut Ruby Square Ring
    Art Deco 18ct White Gold, Aascher Cut Diamond & French Cut Ruby Square RingAU$19,600
  35. Art Deco 18ct White Gold & Platinum Diamond Solitaire Ring with Flared Shoulders
    Art Deco 18ct White Gold & Platinum Diamond Solitaire Ring with Flared ShouldersAU$7,350
  36. Art Deco Platinum Hexagonal Diamond Cluster Ring
    Art Deco Platinum Hexagonal Diamond Cluster RingAU$19,600