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

Opal & Diamond Jewellery

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

  1. Art Deco 18ct Gold Large Opal Doublet & Diamond Drop Earrings
    Art Deco 18ct Gold Large Opal Doublet & Diamond Drop Earrings$3,900
  2. Victorian 18ct Gold Five Stone Opal Carved Half Hoop Ring with Diamond Points
    Victorian 18ct Gold Five Stone Opal Carved Half Hoop Ring with Diamond Points$4,800
  3. Art Deco 18ct Gold & Platinum Opal & Diamond Diamond Shaped Ring
    Art Deco 18ct Gold & Platinum Opal & Diamond Diamond Shaped Ring$4,800
  4. Edwardian 18ct White Gold Opal & Diamond Oval Cluster Ring
    Edwardian 18ct White Gold Opal & Diamond Oval Cluster Ring$3,500
  5. Edwardian 18ct Gold, Opal & Diamond Oval Cluster Ring
    Edwardian 18ct Gold, Opal & Diamond Oval Cluster Ring$3,500
  6. Edwardian 18ct Gold Opal & Diamond Three Stone Carved Half Hoop Ring
    Edwardian 18ct Gold Opal & Diamond Three Stone Carved Half Hoop Ring$3,750
  7. Victorian Large 15ct Gold & Silver Crescent Brooch set with Heart Shaped Opals & Diamonds
    Victorian Large 15ct Gold & Silver Crescent Brooch set with Heart Shaped Opals & Diamonds$12,800
  8. Edwardian 18ct Opal & Diamond Cluster Ring with Diamond set Shoulders
    Edwardian 18ct Opal & Diamond Cluster Ring with Diamond set Shoulders$3,500
  9. Early 20th Century 18ct Gold, Large Opal & Diamond Oval Cluster Ring
    Early 20th Century 18ct Gold, Large Opal & Diamond Oval Cluster Ring$5,900
  10. Edwardian 18ct Gold, Two Stone Cabochon Opal & Diamond Ring
    Edwardian 18ct Gold, Two Stone Cabochon Opal & Diamond Ring$2,500
  11. Edwardian 18ct Gold Three Stone Cabochon Opal & Diamond Ring
    Edwardian 18ct Gold Three Stone Cabochon Opal & Diamond Ring$2,950
  12. Edwardian 18ct Gold, Five Stone Cabochon Opal Ring with Rose Diamond Points
    Edwardian 18ct Gold, Five Stone Cabochon Opal Ring with Rose Diamond Points$2,950
  13. Edwardian 18ct Gold, Opal & Diamond Ring
    Edwardian 18ct Gold, Opal & Diamond Ring$3,500
  14. Edwardian 18ct Gold, Three Stone Opal Ring with Diamond Set Claws
    Edwardian 18ct Gold, Three Stone Opal Ring with Diamond Set Claws$4,600
  15. French Early 20th Century 18ct Gold, Opal & Rose Diamond Pear Shaped Ring
    French Early 20th Century 18ct Gold, Opal & Rose Diamond Pear Shaped Ring$4,800
  16. Edwardian 18ct Gold, Black Opal & Rose Diamond Cluster Ring
    Edwardian 18ct Gold, Black Opal & Rose Diamond Cluster Ring$3,500
  17. Modernist 18ct Gold Bracelet with Three Opals
    Modernist 18ct Gold Bracelet with Three Opals$3,900
  18. Early 20th Century Large Platinum Cluster Ring set with an Opal & Diamonds
    Early 20th Century Large Platinum Cluster Ring set with an Opal & Diamonds$10,850
  19. Art Deco Platinum, Opal & Diamond Drop Earrings
    Art Deco Platinum, Opal & Diamond Drop Earrings$16,400
  20. Art Deco 18ct Gold & Platinum, Opal Ring with Diamond Set Shoulders
    Art Deco 18ct Gold & Platinum, Opal Ring with Diamond Set Shoulders$3,900
  21. Edwardian 15ct Gold & Platinum, Opal, Diamond & Ruby Pendant in Original Case
    Edwardian 15ct Gold & Platinum, Opal, Diamond & Ruby Pendant in Original Case$3,900
  22. Edwardian Rose Diamond & Opal Heart Pendant with Locket on Reverse
    Edwardian Rose Diamond & Opal Heart Pendant with Locket on Reverse$2,950
  23. Edwardian 15ct Gold & Platinum, Opal & Diamond Bracelet
    Edwardian 15ct Gold & Platinum, Opal & Diamond Bracelet$8,850
  24. Edwardian 15ct Gold & Silver, Large Opal & Diamond Brooch
    Edwardian 15ct Gold & Silver, Large Opal & Diamond Brooch$5,200
  25. Edwardian 18ct Gold, Cabochon Opal & Diamond Ring
    Edwardian 18ct Gold, Cabochon Opal & Diamond Ring$4,800
  26. Early 20th Century Ruby & Diamond Pendant set with a Large Opal on a Platinum Chain in the Original Case
    Early 20th Century Ruby & Diamond Pendant set with a Large Opal on a Platinum Chain in the Original Case$23,600
  27. Edwardian 15ct Gold & Silver Opal & Diamond Heart Pendant with Diamond Set Bale
    Edwardian 15ct Gold & Silver Opal & Diamond Heart Pendant with Diamond Set Bale$4,950
  28. Edwardian 18ct gold and Five Stone Precious Opal Ring
    Edwardian 18ct gold and Five Stone Precious Opal Ring$2,500
  29. Edwardian Platinum & 15ct Gold Drop Earrings set with Opals & Diamonds
    Edwardian Platinum & 15ct Gold Drop Earrings set with Opals & Diamonds$6,100
  30. Victorian 18ct Gold & Blue Enamel Snake Necklace set with Opals
    Victorian 18ct Gold & Blue Enamel Snake Necklace set with Opals$12,800
  31. Edwardian 15ct Gold & Silver Brooch set with Five Heart Shaped Opals & Diamonds
    Edwardian 15ct Gold & Silver Brooch set with Five Heart Shaped Opals & Diamonds$3,900
  32. Edwardian Heart Pendant set with an Opal & Rose Diamonds
    Edwardian Heart Pendant set with an Opal & Rose Diamonds$2,950
  33. Victorian 18ct Gold Carved Half Hoop, Three Stone Opal Ring with Diamond Points
    Victorian 18ct Gold Carved Half Hoop, Three Stone Opal Ring with Diamond Points$5,900
  34. Art Deco Platinum Cluster Ring set with an Opal & Diamonds
    Art Deco Platinum Cluster Ring set with an Opal & Diamonds$4,300
  35. Edwardian 18ct Gold, Cabochon Opal & Diamond Ring
    Edwardian 18ct Gold, Cabochon Opal & Diamond Ring$2,200
  36. Edwardian 18ct Gold, Three Stone Opal & Diamond Ring
    Edwardian 18ct Gold, Three Stone Opal & Diamond Ring$1,700