The Swiss Gemmological Institute SSEF has added courses in Japanese and traditional Chinese to its free-of-charge online educational programme, entitled “Understanding Gemstones.” The courses, which cover diamonds , emeralds , pearls, rubies and sapphires , are now available in five languages – English, French, simplified Chinese, traditional Chinese and Japanese. , , pearls, rubies and , are now available in five languages – English, French, simplified Chinese, traditional Chinese and Japanese. The free online Understanding Gemstones programme has been enthusiastically received since it was first launched by SSEF in April 2021. To date, there have been more than 6,000 sign-ups…