Holts Gems

coloured precious gemstones

Holts Gems, 1st Floor, 39 Greville Street, London, EC1N 8PJ.

Mon to Thurs 10am-5pm Fri: 10am-4.30pm

Gemstone expertise since 1948, Holts Gems specialise in bespoke and gemstone-set jewellery and lapidary insurance valuations.

World Gemological Institute

Gemological Certification

14 Greville Street London EC1N 8SB

Mon-Fri 9.30am to 6.00pm

For over the past 30 years the World Gemological Institute (WGI) have build a solid standing reputation as one of the leaders in the Industry.

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