LOS ANGELES, CA / ACCESSWIRE / September 21, 2018 / Guild Gem Laboratories Ruby Research Forum ''RESEARCH AND DEVELOPMENT TREND OF NEW AFRICAN RUBY PRODUCTIONS'' was held at the Hong Kong Convention ...
The largest ruby in the world to come to auction set a record in New York when it sold for $34.8 million on Thursday. The record sale of the 55.22-carat gem comes months after Canadian firm Fura Gems ...
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