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We have been manufacturing Quicktest gold testing kits since 1986 and Troytest precious metal testers since 2008 (Troytest is the original tester, invented in 1949). These are THE industry-standard precious metal testers used by nearly every jewellers, antiques dealer, pawnbrokers, auction house and payday loans company in the UK, the simplest to use, understood by everyone in the trade. They are even used for training at the Birmingham Assay Office. We supply the sets, and also refill bottles of testing acid, to companies and individual traders (we supply nearly every jewellery equipment wholesaler in Hatton Garden and Hockley).

The basic gold test kits will also test silver; advanced kits test white gold, platinum, steel and palladium. See our How to Test Gold, videos. We also stock the latest electronic gold testers.

We publish The Gold & Silver Buyer's Handbook (we also publish Cassiobury Walks).

We are leading suppliers, to the trade, of diamond testers and gem testers, and specialist jewellery polishes and ultrasonic cleaners.


The largest range of magnifiers including jewellers loupes and watchmakers eyeglasses and readers and microscopes. Also binoculars including secondhand and military binoculars.