RAPAPORT... Japanese jewelry retailer K-Uno will be the first to adopt SarineTechnologies' 4Cs diamond-grading reports.K-Uno will implement the artificial-intelligence-based platform at all its stores across Japan. The record will add additional features, including 4Cs grades,to the current Sarine Profile report, which lists characteristics such as lightperformance and hearts and arrows. The report will use artificial intelligenceto grade qualities such as clarity and color."Our 4Cs report creates an intuitive digital experience thatwill help engage K-Uno customers throughout the diamond-purchase journey," SarineCEO David Block said last week. "We expect additional retailers in the AsiaPacific region to soon be adopting the new...reports."Correction, May 1, 2018: K-Uno is already implementing Sarine's 4Cs grading reports at all its stores across Japan, and not as stated in an earlier version of this article.