The Antique Jewellery Company
Latest Finds What's Hot Expert Picks The Archive Sale Eras Collections
Contact Book Appointment Join VIP
Wishlist Sign In
The Antique Jewellery Company Tray 0
Book Your Appointment
Free Delivery, Returns & Sizing
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. Art Deco 18ct Gold & Platinum Diamond Crossover Ring
    Art Deco 18ct Gold & Platinum Diamond Crossover Ring£2,250
  2. Edwardian 18ct White Gold & Platinum Crossover Ring set with Diamonds
    Edwardian 18ct White Gold & Platinum Crossover Ring set with Diamonds£1,950
  3. Early 20th Century 18ct White Gold Three Stone Sapphire & Diamond Ring
    Early 20th Century 18ct White Gold Three Stone Sapphire & Diamond Ring£8,250
  4. Early 20th Century Large Platinum Aquamarine & Diamond Cluster Ring
    Early 20th Century Large Platinum Aquamarine & Diamond Cluster Ring£7,500
  5. French Belle Epoque 18ct Gold Marquise Diamond Ring
    French Belle Epoque 18ct Gold Marquise Diamond Ring£3,650
  6. Art Nouveau 18ct Gold & Platinum Three Leaf Clover Ring set with Diamonds
    Art Nouveau 18ct Gold & Platinum Three Leaf Clover Ring set with Diamonds£2,650
  7. Art Nouveau 18ct Gold & Platinum Crossover Ring set with a Natural Bouton Pearl & Diamonds
    Art Nouveau 18ct Gold & Platinum Crossover Ring set with a Natural Bouton Pearl & Diamonds£3,250
  8. Edwardian Platinum & 15ct Gold Snake Cufflinks set with a Diamond and a Sapphire
    Edwardian Platinum & 15ct Gold Snake Cufflinks set with a Diamond and a Sapphire£2,250
  9. Art Deco French Platinum, Frosted Rock Crystal & Diamond Ring
    Art Deco French Platinum, Frosted Rock Crystal & Diamond Ring£6,250
  10. Early 20th Century 18ct Gold & Platinum, Emerald & Diamond Rectangular Cluster Ring
    Early 20th Century 18ct Gold & Platinum, Emerald & Diamond Rectangular Cluster Ring£12,500
  11. Edwardian Platinum Drop Earrings set with Pink Topaz & Diamonds
    Edwardian Platinum Drop Earrings set with Pink Topaz & Diamonds£12,500
  12. Early 20th Century French Platinum Eternity Ring set with Diamonds
    Early 20th Century French Platinum Eternity Ring set with Diamonds£2,250
  13. Art Deco 18ct White Gold Square Ring set with a Sapphire & Diamonds
    Art Deco 18ct White Gold Square Ring set with a Sapphire & Diamonds£6,250
  14. Art Deco Platinum Zircon & Diamond Drop Earrings
    Art Deco Platinum Zircon & Diamond Drop Earrings£8,950
  15. Art Deco Platinum, Sapphire & Diamond Square Ring with Diamond Set Shoulders
    Art Deco Platinum, Sapphire & Diamond Square Ring with Diamond Set Shoulders£4,950
  16. Edwardian 18ct White Gold & Platinum, Black Opal & Diamond Cluster Ring
    Edwardian 18ct White Gold & Platinum, Black Opal & Diamond Cluster Ring£9,750
  17. Art Deco Platinum, Green Tourmaline Ring with Diamond Set Shoulders
    Art Deco Platinum, Green Tourmaline Ring with Diamond Set Shoulders£2,950
  18. Early 20th Century Platinum, Sapphire & Diamond Rectangular Cluster Ring
    Early 20th Century Platinum, Sapphire & Diamond Rectangular Cluster Ring£2,650
  19. Art Deco Large Platinum, Cabochon Jade & Diamond Oval Cluster Ring
    Art Deco Large Platinum, Cabochon Jade & Diamond Oval Cluster Ring£9,750
  20. Art Deco Platinum Ring set with an Asscher Cut Diamond with Diamond set Shoulders
    Art Deco Platinum Ring set with an Asscher Cut Diamond with Diamond set Shoulders£5,250
  21. Edwardian 18ct Gold & Platinum, Sapphire & Diamond Two Row Cluster Ring
    Edwardian 18ct Gold & Platinum, Sapphire & Diamond Two Row Cluster Ring£4,650
  22. Edwardian Platinum, Diamond & Natural Pearl Quatrefoil Ring
    Edwardian Platinum, Diamond & Natural Pearl Quatrefoil Ring£3,250
  23. Early 20th Century Platinum, Square Cut Sapphire & Diamond Ring
    Early 20th Century Platinum, Square Cut Sapphire & Diamond Ring£3,250
  24. Early 20th Century Platinum Twist Ring set with Diamonds & Rubies
    Early 20th Century Platinum Twist Ring set with Diamonds & Rubies£2,850
  25. Edwardian 18ct Gold & Platinum, Large Diamond Cluster Ring
    Edwardian 18ct Gold & Platinum, Large Diamond Cluster RingOn Hold
  26. 18ct Gold & Platinum Three Stone Diamond Ring
    18ct Gold & Platinum Three Stone Diamond Ring£3,650
  27. Early 20th Century French Platinum, Diamond Cluster Ring
    Early 20th Century French Platinum, Diamond Cluster Ring£4,250
  28. Edwardian Platinum Diamond Twist Ring
    Edwardian Platinum Diamond Twist Ring£5,350
  29. 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 Sapphire£4,650
  30. Art Deco 18ct Gold & Platinum Square Ring set with an Emerald & Diamonds
    Art Deco 18ct Gold & Platinum Square Ring set with an Emerald & Diamonds£7,500
  31. Edwardian 18ct Gold & Platinum Diamond & Natural Pearl Cluster Ring
    Edwardian 18ct Gold & Platinum Diamond & Natural Pearl Cluster Ring£3,650
  32. Edwardian 15ct Gold & Platinum, Opal, Diamond & Ruby Pendant in Original Case
    Edwardian 15ct Gold & Platinum, Opal, Diamond & Ruby Pendant in Original Case£2,950
  33. Edwardian Platinum, Turquoise & Diamond Ring
    Edwardian Platinum, Turquoise & Diamond Ring£1,500
  34. Early 20th Century 14ct Gold & Platinum Pendant set with Green Garnets & Diamonds on 14ct Gold Chain
    Early 20th Century 14ct Gold & Platinum Pendant set with Green Garnets & Diamonds on 14ct Gold Chain£3,650
  35. Edwardian 18ct Gold & Platinum, Triple Cluster Ring set with Diamonds
    Edwardian 18ct Gold & Platinum, Triple Cluster Ring set with Diamonds£3,250
  36. Edwardian Platinum & Diamond Rectangular Brooch
    Edwardian Platinum & Diamond Rectangular Brooch£3,500