Ahmadjan Abduriyim, senior expert of the GIA and manager of services related to colored gemstones, will tell visitors about the latest technologies in the processing of rubies and sapphires, which improve their quality and color characteristics.
Monday, April 30, 2018
Gemological Institute of America (Gemological Institute of America, GIA) on August 27 and 28 will organize a presentation on the processing of rubies and sapphires, as well as pearls, which will be held at the Tokyo Jewelry Fair in Tokyo, Rapaport reports.
Ahmadjan Abduriyim, senior expert of the GIA and manager of services related to colored gemstones, will tell visitors about the latest technologies in the processing of rubies and sapphires, which improve their quality and color characteristics.
Ahmadjan Abduriyim, senior expert of the GIA and manager of services related to colored gemstones, will tell visitors about the latest technologies in the processing of rubies and sapphires, which improve their quality and color characteristics.
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