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Chanthaburi . 2014-01-31
Gemstone market news
Ruby prices run following blue sapphire
Ruby prices run following blue sapphire. Commercial tourmaline prices are down but prices for big, clean stones with off color still demand high prices even if buyers (mainly from China) tend to be more cautious in their purchases.

Commercial tourmaline prices are down but prices for big, clean stones with off color still demand high prices even if buyers (mainly from China) tend to be more cautious in their purchases.
Bicolored tourmaline is demanding very high prices as this stone is supposed to bring good luck to the wearer.
Blue sapphire remains rare and expensive. Some old stock from Kanchanaburi mines (Siam grade) can still be found.
Another material seen on the market is the new lead-glass treated blue sapphire. In fact this is colorless sapphire of extremely low grade which has been filled with lead glass and blue dye. This material cannot even be called sapphire but composite material. No doubt this stone will be sold by unscrupulous dealers and will be found in many jewelry shops all over the world..
Until recently, ruby was quite cheap due to the affluence of Tanzania and Mozambique rough.
Driven out by these low prices, Burmese rough just disappear.
Land buying by big companies backed by investment funds in Mozambique and visa restrictions for Thai buyers put a brake in ruby rough inflow.
Price for much sought after non-heated rubies skyrocketed followed by big to medium size traditional cooked stones.
With this increase in African material prices, Burma stones start to come back on the market.

Source : Roger Pingley
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