Blue Moon was discovered in gem mines Cullinan, South Africa in January 2014. It will be available in the galleries in Hong Kong, London and New York before being auctioned in Geneva, Switzerland, on November 11.David Bennett, head of the international jewelry room of Sotheby's auction house to, Blue Moon is the gemstone color and perfect purity levels.Meanwhile, the Institute of American gemstones each Examiner declared Blue Moon "no Bhikkhu stain".
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