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.

Filter
  1. Art Deco 18ct Gold & Platinum Diamond Shaped Ring set with Diamonds
    Art Deco 18ct Gold & Platinum Diamond Shaped Ring set with Diamonds$3,750
  2. Edwardian 18ct Gold & Platinum Two Stone Diamond Crossover Ring
    Edwardian 18ct Gold & Platinum Two Stone Diamond Crossover Ring$2,500
  3. Edwardian 18ct Gold & Platinum, Pear Shaped Pink Sapphire & Diamond Crossover Ring
    Edwardian 18ct Gold & Platinum, Pear Shaped Pink Sapphire & Diamond Crossover Ring$8,850
  4. Art Deco Platinum, Rectangular Sapphire Ring with Baguette Diamond Shoulders
    Art Deco Platinum, Rectangular Sapphire Ring with Baguette Diamond Shoulders$7,450
  5. Art Deco Platinum Ring set with Principal Diamond Surrounded by Diamonds & Calibre Rubies
    Art Deco Platinum Ring set with Principal Diamond Surrounded by Diamonds & Calibre Rubies$8,850
  6. Edwardian 18ct Gold & Platinum Triple Cluster Diamond Ring
    Edwardian 18ct Gold & Platinum Triple Cluster Diamond Ring$2,950
  7. Early 20th Century 18ct Gold & Platinum, Five Stone Diamond Ring
    Early 20th Century 18ct Gold & Platinum, Five Stone Diamond Ring$3,900
  8. Edwardian 18ct Gold & Platinum Diamond Long Oval Cluster Ring
    Edwardian 18ct Gold & Platinum Diamond Long Oval Cluster Ring$2,500
  9. Art Deco Platinum, Rectangular Diamond Ring
    Art Deco Platinum, Rectangular Diamond Ring$5,200
  10. Art Deco 18ct Gold & Platinum Opal & Diamond Diamond Shaped Ring
    Art Deco 18ct Gold & Platinum Opal & Diamond Diamond Shaped Ring$4,800
  11. Edwardian 18ct Gold & Platinum Diamond Shaped Ring set with a Diamond & Calibré Rubies
    Edwardian 18ct Gold & Platinum Diamond Shaped Ring set with a Diamond & Calibré Rubies$8,850
  12. Early 20th Century Platinum, Enamelled Leprechaun Pendant set with Diamonds, Emeralds & Rubies on Platinum Chain
    Early 20th Century Platinum, Enamelled Leprechaun Pendant set with Diamonds, Emeralds & Rubies on Platinum Chain$4,800
  13. Early 20th Century 14ct Gold & Platinum, Emerald &. Diamond Crossover Ring
    Early 20th Century 14ct Gold & Platinum, Emerald &. Diamond Crossover Ring$4,300
  14. Edwardian 15ct Gold & Platinum, Aquamarine & Diamond Drop Earrings
    Edwardian 15ct Gold & Platinum, Aquamarine & Diamond Drop Earrings$3,900
  15. Early 20th Century Platinum, Pink Sapphire & Diamond Ring
    Early 20th Century Platinum, Pink Sapphire & Diamond Ring$12,800
  16. Early 20th Century Platinum Sapphire & Diamond Three Stone Ring
    Early 20th Century Platinum Sapphire & Diamond Three Stone Ring$1,800
  17. Art Deco Platinum Ring set with a Large Moonstone with Step Cut Shoulders set with Diamonds
    Art Deco Platinum Ring set with a Large Moonstone with Step Cut Shoulders set with Diamonds$6,400
  18. Art Deco 18ct Gold & Platinum, Diamond & Sapphire Fancy Square Ring
    Art Deco 18ct Gold & Platinum, Diamond & Sapphire Fancy Square Ring$4,300
  19. Art Deco 18ct Gold & Platinum, Diamond Solitaire Ring with Diamond Shoulders
    Art Deco 18ct Gold & Platinum, Diamond Solitaire Ring with Diamond Shoulders$2,500
  20. Early 20th Century 18ct Gold & Platinum Sapphire & Diamond Three Stone Ring
    Early 20th Century 18ct Gold & Platinum Sapphire & Diamond Three Stone Ring$2,200
  21. Art Deco 14ct Gold & Platinum Marquise Ring set with Diamonds
    Art Deco 14ct Gold & Platinum Marquise Ring set with Diamonds$3,900
  22. Edwardian 18ct Gold & Platinum Three Stone Crossover Ring with. Diamond Set Shoulders
    Edwardian 18ct Gold & Platinum Three Stone Crossover Ring with. Diamond Set Shoulders$1,300
  23. Art Deco Platinum Ring set with a Rectangular Cut Aquamarine with Diamond Shoulders
    Art Deco Platinum Ring set with a Rectangular Cut Aquamarine with Diamond Shoulders$4,300
  24. Art Deco French Import Platinum & Diamond Target Ring
    Art Deco French Import Platinum & Diamond Target Ring$16,400
  25. Early 20th Century Platinum Large Sapphire & Diamond Cluster Ring
    Early 20th Century Platinum Large Sapphire & Diamond Cluster Ring$9,850
  26. Edwardian 18ct Gold & Platinum Diamond Cluster Ring
    Edwardian 18ct Gold & Platinum Diamond Cluster Ring$2,200
  27. Art Deco Platinum, Large Aquamarine Ring with Diamond set Shank
    Art Deco Platinum, Large Aquamarine Ring with Diamond set Shank$8,850
  28. Edwardian 15ct Gold & Platinum, Pink Tourmaline & Diamond Drop Earrings
    Edwardian 15ct Gold & Platinum, Pink Tourmaline & Diamond Drop Earrings$3,750
  29. Art Deco Platinum Large Square Ring set with Diamonds & Sapphires
    Art Deco Platinum Large Square Ring set with Diamonds & Sapphires$3,750
  30. Art Deco 18ct Gold & Platinum, Ruby & Diamond Oval Cluster Ring
    Art Deco 18ct Gold & Platinum, Ruby & Diamond Oval Cluster Ring$2,200
  31. Art Deco 18ct Gold & Platinum Square Ring with Pierced Hearts set with a Sapphire & Diamonds
    Art Deco 18ct Gold & Platinum Square Ring with Pierced Hearts set with a Sapphire & DiamondsOn Hold
  32. Art Deco 18ct Gold & Platinum Rectangular Ring set with an Emerald & Diamonds
    Art Deco 18ct Gold & Platinum Rectangular Ring set with an Emerald & Diamonds$1,800
  33. Edwardian 18ct Gold & Platinum Diamond Daisy Cluster Ring
    Edwardian 18ct Gold & Platinum Diamond Daisy Cluster Ring$3,500
  34. Edwardian Platinum Old Mine Cut Diamond Solitaire Ring
    Edwardian Platinum Old Mine Cut Diamond Solitaire Ring$9,150
  35. Edwardian 18ct Gold & Platinum Two Stone Diamond Crossover Ring
    Edwardian 18ct Gold & Platinum Two Stone Diamond Crossover Ring$2,950
  36. Early 20th Century Platinum Three Stone Diamond Ring
    Early 20th Century Platinum Three Stone Diamond Ring$5,600
Trustpilot