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At Sheffield Assay Office we have been providing testing services since 1773, and are proud to have gained, and continue to be accredited with some of the world’s largest organisations. 

After visiting a number of retailers and manufacturers last week, all of whom have been in the trade for many years, it is clear to see that the trend of Lab Grown Diamonds is definitely growing.  Consumers and retailers alike are requesting products in lab grown diamonds as well as their traditional mined diamonds and all were happy to comply.

Sheffield Assay Office were delighted to collaborate with Contemporary British Silversmiths, Argex and Edinburgh Assay Office to support the CBS' 25th Anniversary Celebration, The Industry Award.

The team here at Sheffield Assay Office were delighted to welcome the Lord Mayor of Sheffield for a tour of our specialist facilities.

Last month, Vincenzaoro - the European precious jewellery and watches trade fair - took place in Vincenza, Italy and welcomed a huge number of visitors from all over the globe.

It's official! Sheffield Assay Office has signed up to take part in this year's Master Cutlers Challenge, raising much needed funds for local families affected by cancer.

Over the last few years we have witnessed a huge rise in the popularity of lab-grown diamonds and as the sales continue to surge, it has become abundantly clear that they are here to stay. 

As certified members of the Responsible Jewellery Council, we support all efforts to source and use gold in a sustainable and fair manner, which often means being able to and trace it back to the individual mine. Find out how we can support Fairtrade and Fairmined gold by using special hallmarks.