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 the USA
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 15ct Gold & Platinum Drop Earrings set with Diamonds & Natural Pearls
    Edwardian 15ct Gold & Platinum Drop Earrings set with Diamonds & Natural Pearls$3,500
  2. Art Deco Iridium & Platinum Watch set with Diamonds
    Art Deco Iridium & Platinum Watch set with Diamonds$6,100
  3. Edwardian Platinum, Natural Pearl & Diamond Festoon Necklace
    Edwardian Platinum, Natural Pearl & Diamond Festoon Necklace$5,200
  4. Early 20th Century French Platinum, Diamond Cluster Ring
    Early 20th Century French Platinum, Diamond Cluster Ring$5,600
  5. Art Deco 18ct Gold & Platinum Square Ring set with an Emerald & Diamonds
    Art Deco 18ct Gold & Platinum Square Ring set with an Emerald & Diamonds$9,850
  6. Art Deco Platinum, Ruby & Diamond Swirl Ring
    Art Deco Platinum, Ruby & Diamond Swirl Ring$8,850
  7. French Art Nouveau 18ct Gold & Platinum, Diamond & Sapphire Twist Ring
    French Art Nouveau 18ct Gold & Platinum, Diamond & Sapphire Twist Ring$6,100
  8. Mid 20th Century Platinum Rectangular Cut Green Tourmaline & Diamond Ring
    Mid 20th Century Platinum Rectangular Cut Green Tourmaline & Diamond Ring$5,600
  9. Early 20th Century Platinum, Octagonal Cut Sapphire & Diamond Cluster Ring
    Early 20th Century Platinum, Octagonal Cut Sapphire & Diamond Cluster Ring$12,800
  10. 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 & Diamonds$2,950
  11. Art Deco Platinum & 15ct Gold Winning Post Tie Pin set with Diamonds
    Art Deco Platinum & 15ct Gold Winning Post Tie Pin set with Diamonds$1,300
  12. Early 20th Century, Platinum Three Stone Diamond Ring
    Early 20th Century, Platinum Three Stone Diamond Ring$6,500
  13. Edwardian Platinum Long Drop Earrings set with Diamonds & Pear Shaped Aquamarines
    Edwardian Platinum Long Drop Earrings set with Diamonds & Pear Shaped Aquamarines$10,850
  14. Edwardian 18ct Gold & Platinum, Sapphire & Diamond Two Row Cluster Ring
    Edwardian 18ct Gold & Platinum, Sapphire & Diamond Two Row Cluster Ring$6,100
  15. French Belle Epoque 18ct gold & Diamond Eagle Brooch
    French Belle Epoque 18ct gold & Diamond Eagle Brooch$3,900
  16. Early 20th Century Platinum Rectangular Shaped Ring set with Diamonds
    Early 20th Century Platinum Rectangular Shaped Ring set with Diamonds$8,850
  17. French Import Early 20th Century Platinum Diamond Cluster Ring
    French Import Early 20th Century Platinum Diamond Cluster Ring$6,100
  18. Art Deco Platinum & 18ct Gold Cufflinks with Baguette Diamonds & Black Enamel Detail
    Art Deco Platinum & 18ct Gold Cufflinks with Baguette Diamonds & Black Enamel Detail$2,500
  19. Early 20th Century Platinum, Large Zircon & Diamond Cluster Ring
    Early 20th Century Platinum, Large Zircon & Diamond Cluster Ring$10,850
  20. French Art Nouveau Platinum & Diamond Brooch
    French Art Nouveau Platinum & Diamond Brooch$3,900
  21. Early 20th Century 15ct Gold & Platinum Aquamarine & Diamond Drop Pendant on Platinum Chain
    Early 20th Century 15ct Gold & Platinum Aquamarine & Diamond Drop Pendant on Platinum Chain$4,600
  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 & Diamonds$6,500
  23. Edwardian Platinum, Natural Pearl & Diamond Swag Necklace
    Edwardian Platinum, Natural Pearl & Diamond Swag Necklace$5,600
  24. Mid Century Platinum Three Stone Diamond Ring
    Mid Century Platinum Three Stone Diamond Ring$11,500
  25. 1970s French 18ct Gold & Platinum Turquoise & Diamond Coil Ring
    1970s French 18ct Gold & Platinum Turquoise & Diamond Coil Ring$6,100
  26. Art Deco 14ct Gold & Platinum Rectangular Ring set with Diamonds
    Art Deco 14ct Gold & Platinum Rectangular Ring set with Diamonds$4,300
  27. 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 Pearl$1,700
  28. Tiffany Petals Key Pendant set with Diamonds
    Tiffany Petals Key Pendant set with Diamonds$5,600
  29. Retro Platinum, Diamond Solitaire Ring with Diamond set Shoulders
    Retro Platinum, Diamond Solitaire Ring with Diamond set ShouldersOn Hold
  30. Early 20th Century Platinum Cluster Ring set with an Alexandrite & Diamonds
    Early 20th Century Platinum Cluster Ring set with an Alexandrite & DiamondsOn Hold
  31. Edwardian 18ct Gold & Platinum, Diamond Cluster Ring with Diamond set Shoulders
    Edwardian 18ct Gold & Platinum, Diamond Cluster Ring with Diamond set ShouldersOn Hold
  32. Edwardian 18ct Gold & Platinum, Large Diamond Cluster Ring
    Edwardian 18ct Gold & Platinum, Large Diamond Cluster RingOn Hold
  33. Edwardian 15ct Gold, Diamond & Aquamarine Pear Shaped Pendant
    Edwardian 15ct Gold, Diamond & Aquamarine Pear Shaped PendantOn Hold