Brighter than ‘Vivid’! What is the Concept of the GRS Color Description Term ‘Vibrant’?
Editor’s NoteGRS has introduced a new quality concept, “vibrant,” to its gemstone reports, marking an update to its color grading system. This…
gemstone grading
【China】China.com: (Wu Yabin) ‘The Beauty of Diamond: Hardness 10’ Officially Published
Editor’s NoteThis article announces the official release of ‘The Beauty of Diamond: Hardness 10’ at a major industry conference in 2019. It…