COLOMBIA JUNE 2022

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ROUGH STONES EVALUATION

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https://www.thecitizen.co.tz/tanzania/news/business/rare-120-million-rough-ruby-from-tanzania-unveiled-in-dubai-3784564

https://robbreport.com/lifestyle/news/queen-of-asia-blue-sapphire-1234654079/

https://www.forbes.com/sites/trevornace/2017/08/09/309-million-emerald-weighing-pounds-found-brazil/?sh=68f139045601

https://www.percymarks.com.au/the-worlds-largest-emerald/

MACEDONIA

https://es.wikipedia.org/wiki/Francisco_de_Paula_(santo)

https://www.britannica.com/topic/Ganesha

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Sotheby’s London auction house

February 2022, auction for the 555.55 carat Natural Black diamond.

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