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Listings in Diamonds and Gemstones and Hallmarking/Assaying

Showing 5 of 5 results
39 Greville Street, Hatton Garden, London, London, Greater London EC1N 8PJ , United Kingdom
0207 404 3220
Bellore Ltd. is a major supplier to the Jewellery industry offering a very wide range of supplies for jewellers.
0207 404 3220
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Guardian's Hall, Beulah Road, Hillsborough, Sheffield, Sheffield, Yorkshire S6 2AN , United Kingdom
0114 231 2121
HISTORY INTEGRITY INNOVATION There has been an Assay Office in Sheffield since 1773, when local silversmiths successfully petitioned Parliament for the right to assay silver in Sheffield.
0114 231 2121
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Oblivion Gems are a husband and wife team based in the French rural countryside offering a wide range of calibrated and unique gems from quartz to raw diamonds.
Goldsmiths' Hall, Gutter Lane, London, London, Greater London EC2V 8AQ , United Kingdom
020 7606 8971
The Goldsmiths’ Company Assay Office is where hallmarking began, and we have been testing and hallmarking precious metals for over 700 years. Our reputation for excellence in hallmarking, service, and support is both revered and unparalleled.
020 7606 8971
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Sovereign Court, 230 Upper Fifth Street, Central Milton Keynes, Milton Keynes, Buckinghamshire MK9 2HR , United Kingdom
How Your Precious Gems Came To Be……. Rich Dover had a background in graphic design and a previously active life that included activities like kayaking and climbing mountains before multiple sclerosis and spinal disk perforations severely curtailed h