E.D.R-Gemmological Laboratory, London opening hours

46 Hatton Garden, London, Greater London England, EC1N 8EX

18, ST. CROSS STREET, London, Clerkenwell, Greater London England, EC1N 8UN

2nd Floor, 33 Hatton Garden, London, Greater London England, EC1N 8DL

Ground Floor, G05, The Record Hall, 16-16a Baldwin's Gardens, London, Greater London England, EC1N 7RJ

2nd Floor, Mariner House, 32/34 Greville St, London, Greater London England, EC1N 8TB

Suite 15, 88-90 Hatton Garden, London, Greater London England, EC1N 8PN

25 Hatton Garden, London, Greater London England, EC1N 8BQ

Third Floor 23 Hatton Garden, London, Greater London England, EC1N 8BQ

19-21 Hatton Garden, London, Greater London England, EC1N 8BA

100 Hatton Garden, London, Greater London England, EC1N 8NX