Berganza Ltd Van Cleef & Arpels Burmese sapphire and diamond cluster ring, French, ... Van cleef & arpels £74,000.00
Berganza Ltd Oscar Heyman Brothers sapphire and diamond ring, American, circa 1960. Oscar heyman brothers £7,800.00
Berganza Ltd Oscar Heyman Brothers Art Deco Ceylon sapphire and diamond ring, Ameri... Oscar heyman brothers £45,000.00
Berganza Ltd Oscar Heyman Brothers cat's eye chrysoberyl and diamond ring, American... Oscar heyman brothers £13,000.00
Berganza Ltd Fancy colour diamond flower ring by Oscar Heyman Bros, American, circa... Oscar heyman £11,700.00
