Jewellery Repairs London. Our experience in jewellery repairs and restoration extends over 135 years. Our Hatton Garden workshops London are well known to the antique and retail trade. We specialise in unique hand-made bespoke jewellery. We can tailor to all your needs. We resize rings, repolish jewellery, replace missing & broken claws to re-secure your gemstones, repair chains, or replace catches to your chains. Reset any missing diamonds or gems. We take great pride in repairing and restoring antique jewellery here in London. Unloved or inherited jewellery can be restored too.