For over 20 years Ballantyne Diamonds has brought together various facets of the diamond industry, harnessing a wealth of experience in creating bespoke pieces of jewellery from the design process to the manufactured product. As a proud Member of the National Association of Jewellers we adhere to a strict code of conduct and with all our creations Hallmarked at The Goldsmiths` Company we are Proud to Hallmark in London.