Diamond Rings

GIA Adds Diamond’s Country of Origin to its Report Service

GIA CertificationGIA Grading

Natural colored diamonds have been added to the GIA’s Diamond Origin Report Service. The Gemological Institute of America has done this following strong demand for its scientific service, announced in late March. The scientific GIA service matches faceted diamonds, which fall in the institute’s D-to-Z color grading scale, and natural colored diamonds to these stone’s