Data as of Aug 18, 2026 · Based on 9 AI claims comparing the two · See how Parse measures this
Claims comparing the two
“- [Rare Carat](https://www.rarecarat.com/) – Marketplace listing diamonds from multiple vendors. Some lab-grown diamonds carry GIA documentation, while others are IGI or GCAL certified. [www.rarecarat.com](https://www.rarecarat.com/education/lab-grown-diamonds/best-lab-grown-diamond-jewelry-retailers?utm_source=chatgpt.com)”
“Yes, the Gemological Institute of America (GIA) grades and issues documentation for lab-grown diamonds, though it is far less common to find GIA-certified lab diamonds compared to those certified by the International Gemological Institute (IGI) or GCAL.”