J & R DIAMONDS LIMITED Company number 07875036 · Monitor this company Dissolved Overview People 1 Analysis Location Related Registered office AddressSUITE 220, 100 HATTON GARDENS, LONDON, ENGLAND, EC1N 8NX PostcodeEC1N 8NX Companies at this postcode 119 Average house price in EC1N 8NX £239,000 (2 sales) Map