All of the diamonds listed in this article at Uncommon Carat feature a grading report from a respected lab (GIA,IGI,GCAL) along with a laser inscription within the girdle with the matching report variety. It’s simple to match the inscription which has a 10x loupe or a strong magnifying glass. https://caratbee.weebly.com/blogs/embrace-a-lifetime-of-love-discover-a-3-carat-radiant-cut-ring