Established during the great South African diamond rush of the 1870's, Bonas is the oldest, the largest, and the most eminent broker and consultancy firm in the diamond industry.
About Bonas Group...
Upcoming events
22 > 28 March 2023
Exclusive Sale of Cut & Polished EMERALDS
Emeralds
Viewing location: Bangkok
Tender closing 2pm (Asia/Bangkok)
22 > 28 March 2023
Exclusive Sale of Cut & Polished of RUBY & SAPPHIRE
Ruby, Sapphire & Other Gemstones
Viewing location: Bangkok
Tender closing 2pm (Asia/Bangkok)