The  GIA has implemented a new, lower-cost fee structure for Quality Assurance (QA) services. The service is specifically designed to screen parcels of D-to-Z diamonds and colored diamonds up to 0.20 carats for synthetics or treatments, a GIA issued note stated.  The new fee structure reduces the existing per-stone fee from $12 to $10 for diamonds between 0.06 and 0.20 carats and to $5 for diamonds 0.05 carats and smaller, creating a more affordable screening option for clients.