For this week's Industry Review, we're looking at the world of precious gemstones: what determines their value, the skill involved in cutting them, and what makes one stone more desirable than another.
Joining Bobby are:
Andrew Stuart - a Gem Stone cutter & Lapidarist at Stuart Gems
Martin Commins - Director of Bespoke Diamonds
Carol Clarke - Fellow of the Institute of Registered Jewellery Valuers in London and member & GAI Graduate Gemologist
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