Imperial Topaz and Aquamarine

Ron LeBlanc and his team of gem hunters travel to Brazil, home to more gemstones than just about anywhere on the planet. Ron's mission is to find imperial topaz - a stone so rare it is only produced by a single mine in Ouro Preto, Brazil. He's looking for a monster stone: a rock that will cut a 20-carat gem … and he's willing to spend big money to get it.

Gem Hunt: Brazil Imperial Topaz Pictures

The gem hunters travel to Brazil, home to more gemstones than ...

Ron Tests a Gem Dealer

Buying rough topaz is a huge risk, so Ron tests the dealer.


Brazil's Aquamarine Market

Diane attempts to find an impressive piece of aquamarine in ...


The Right Imperial Topaz

Ron scours Brazil for the right stone for his client.


Crazy Buying in Brazil

Diane makes an unexpected gem deal.


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