De Marsac, the Jeweller’s was first established by Andre in Mayfair in 1973 when Andre was just 21. The Beaconsfield branch of De Marsac the Jewellers, opened in 1988. We specialise in fine jewellery, diamonds and gemstones as well as designer jewellery brands in both gold and silver. We design bespoke jewellery and undertake commissions. Our expertise allows us to offer a variety of services on the premises including; valuations for insurance and probate, professional cleaning, watch battery and strap replacement. Our experienced workshops undertake more complicated encompass a full range of jewellery and watch repairs.