About us

We will always welcome you with friendly, attentive service, and we are committed to providing you with the best valuation service for all your jewellery, diamonds, gemstones and watches. 

Tim Bicknell DGA, FJVA Tim Bicknell DGA FJVA

Tim Bicknell DGA FJVA

"I have been a Registered Valuer for nearly 20 years, and am comitted to providing the most professional service for your jewellery valuations, visiting you you either at your home or office, at a time convenient to you".


Tim became a registered Valuer in 2002. A Fellow of the Jewellery Valuer's Association (FJVA Registered Valuer No.20108), a Member of Gem-a. He is on the committee of the Jewellery Valuers Association, and a founder member of the JVA.


Tim is regularly invited to deliver workshops on valuation methodology and diamond assessment to new and future valuers in London for the GIA and Gem-a. Recently he has lectured in America at the Tucson gem show.


Winner of the 2017 David Wilkins Award

At the 2017 Loughborough Conference for Valuers and Jewellers Tim Bicknell was announced the winner of the IRV David Wilkins Valuer of the Year award. This award, voted for by the members of the Institute, is the epitome of a valuers career.


email: tim@jewelleryportfolio.co.uk  Tel: 07368 421 523

Michelle Knust FJVA Michelle Knust FJVA

Michelle Knust FJVA ​

PjVal Dip, PjGem Dip, FNAJ, Cert GA


Michelle has been in the jewellery trade for 37 years, and a Registered Valuer since 2015.


She is a Fellow and Founder Benefactor of the Jewellery Valuer's Association (FJVA Registered Valuer No.20177). Michelle has passed the CAT exam in appraisal theory, and holds a Cert GA and Professional Jewellers Gemmology Diploma, as well as completing the diamond grading course with the GIA.  Michelle is also a member of the Society of Jewellery Historians.

email: michelle@jewelleryportfolio.co.uk  Tel: 07772 155590

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