DIAMOND KINGDOM UK LTD Company number 10455533 · Monitor this company Active Overview People 1 Financial Control Documents Analysis Location Related Registered office AddressThe Diamond Jewellery Exchange , No 99, Hatton Garden, London, England, EC1N 8NX PostcodeEC1N 8NX Companies at this postcode 119 Average house price in EC1N 8NX £239,000 (2 sales) Map