RAPAPORT... The Natural Color Diamond Association (NCDIA) has appointedthree members to its 2019 advisory board. They will be responsible for supporting and guiding the organization'sexecutive committee, NCDIA said last week. The new advisory board members are: Henry Ho, founder and chairman emeritus of the AsianInstitute of Gemological Sciences (AIGS). He also operates a gemological schooland laboratory in the Jewelry Trade Center in Bangkok. Matthew Tratner, director of global businessdevelopment for the Gemological Institute of America (GIA), and former directorof membership and sales for Jewelers of America (JA) and publisher of NationalJeweler. Cecilia Wun, US branch manager for global business-to-businessevents organizer UBM, responsible for all the Hong Kong show's North Americanexhibitors. Image: Matthew Tratner. (Gemological Institute of America)