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Chanthaburi . 2007-05-15
Gemstone market news
Is tanzanite back?
A few lots of tanzanite showing deep blue color in the 5 to 10 carats range have been seen on the market.

A few lots of tanzanite showing deep blue color in the 5 to 10 carats range have been seen on the market.
Curiously these stones were all cut in trillion or princess cuts.
Some other single stones weighting 10 to 15 carat were also seen, coming apparently from the same rough.
These single pieces also were cut in trillion with the exception of one stone cut in emerald.

Source : Roger Pingley
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