RAPAPORT... The Gemological Institute of America (GIA) will offer aseries of seminars this year on advanced detection of lab-grown stones. The courses, which will be taught by GIA research scientistsand classroom instructors, will combine lectures with practical labinstruction. The GIA will address methods of identifying chemical vapordeposition (CVD) and High Pressure-High Temperature (HPHT) stones. The first seminar will take place August 20 and 21 in Mumbai,alongside the India International Fashion Jewellery & Accessories Show,while the London course will be on August 29 and 30, coinciding with theInternational Jewellery London trade fair. In California, the seminar isscheduled for October 10 and 11, at the same time as the GIA InternationalGemological Symposium.