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Posts by Jeremy Rothon

Gem Alert – Lab Certificate Fraud

What Is The Real Colour Of Your Gemstone?

Valuing Coloured Gemstones

The Gem Lab

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Taariq F.

6 months ago

Thanks for the response. Just wanted to find out first. Will have to bring it in for assessment and valuation soonest. Given 5 star rating. 🙏🏽

Good day. I’m wanting to know if this can be approved or appraised. Not sure what type of raw gem is this. Will appreciate it. Thank you and regards.

Candace C.

7 months ago

What a lovely experience- thank you for being so kind . Highly recommend The Gem Lab

Paul W.

10 months ago

Jeremy has such a wealth of experience and passion for this subject. His symposium was a treat to be part of and has certainly increased my knowledge of gemstones, even after decades in the industry. Thank you Jeremy & Team, thsi is not the last you see/hear of me.

Lutfur Rahman R.

3 years ago

I was bought a imperial topaz online from India but I wasn't sure about it was real or fake. So I went to Gem Lab to check it. It was quick service. Highly recommended this place.

Stephan le R.

6 years ago

Thank you Jeremy for a 3-day course in jewellery valuation. It was most interesting to have a better understanding of how exactly the 4c's influence the diamond and also the elaboration on the gem stones was absolutely enlightening! I feel far more confident now in my ability to assess a piece in a better regard!

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Phone: 021 761 1746
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jeremy@gemlab.co.za
8 Penrith Rd, Kenilworth, South Africa

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Friday: 08h00 – 15h00
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Jewellery Valuations
Coloured Stones Grading
Gemstone Identification
Gemstone Verification
Rough Gemstone Assessment
Forensic Analysis
Products for Sale

Posts by Jeremy Rothon

Consistent Grading Standards

Gem Alert – Fake Rough

Gem Alert – Lab Certificate Fraud

Gem Alert – Warning Gem Fraud

Gem Alert – All That Glitters

What Is The Real Colour Of Your Gemstone?

Gem Alert – Coated Topaz

Jewellery and Gem Valuations

Valuing Coloured Gemstones

Contact Us