Diamonds that could only just fit in your hand have been unearthed in Botswana recently so overnights polished up their knowledge on what modern day diamond mining involves. The modern day diamond competes with synthetic diamonds but Roy Cohen from the Diamond Grading Laboratory of Australia reckons they're as popular as ever. How does the cut change that value, what are Australian diamonds like and where can you buy the cheapest diamond in the world? Find out on this weeks talking topic about Diamonds.  

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