Trau Bros factories are known paradigms of excellence in diamond manufacturing. Trau Bros combines the latest technology with the manual skills of our master cutters to yield beautiful polished diamonds in all shapes and sizes. Diamonds which enter our factories are tracked using Tracr to ensure the highest level of provenance. Trau Bros have manufactured diamonds in Belgium, Botswana, Namibia, India and Israel. Our factories pride themselves on investing strongly in employing local workers and supporting local communities and charities. Trau Bros’ golden standard of manufacturing is testament to our expertise and experience that have been amassed for over a century.