18ct opal and diamond ring

Art Deco Opal and Diamond Brooch

Art Deco Opal and Old Cut Diamond Brooch

Black opal and diamond ring

Opal and diamond cluster ring

Opal and Seed Pearl Drop Earrings

Opal Stud Earrings

Oval Cut Fire Opal and Baguette Diamonds Ring

Vintage 1980's Opal and Diamond Cluster Ring

Vintage Opal and Demantoid Garnet Brooch

Vintage Opal and Diamond Cluster Earrings

Vintage Opal and Diamond Cluster Ring

Vintage Opal and Diamond Cluster Ring

Vintage Opal and Diamond Cluster Ring

Vintage Opal and Diamond Pendant Necklace

Vintage Opal and Diamond Three Stone Ring

Vintage Opal and Diamonds Cluster Ring

Vintage Opal Five Stone Ring

Vintage Opal Set Gold Stick Pin

Vintage Opal Solitaire Ring

Vintage Opal Three Stone Ring

Vintage Opal, Blue Sapphire and Ruby Three Stone Ring