The trademark holders of the Cushette diamond brand cut signed an exclusive agreement with the Gem Certification & Appraisal Lab (GCAL) for grading certificates. GCAL is a subsidary of Collectors Universe.%%The Cushette diamond is a branded cut of diamond owned by VisionCut of New York. Cushette is patented with 77 facets more than the normal 58 facets in a traditional cushion cut, according to VisionCut.%%"The Cushette is one of the best types of diamond cuts for white light return and therefore, when we perform our direct light performance analysis, this cut of diamond yields superior results," stated Don Palmieri president of GCAL. "We are pleased to become the exclusive grading lab for Cushette diamonds and provide our Five Star Diamond Certificate on this beautiful stone that will no doubt satisfy many buyers in the marketplace."