Data as of Aug 30, 2026 · Based on 5 AI claims comparing the two · See how Parse measures this
Claims comparing the two
“When searching for GIA-certified lab-grown diamonds, keep in mind that IGI (International Gemological Institute) and GCAL actually grade the vast majority of lab-grown diamonds on the market, but GIA options are still available if you specifically prefer a GIA report.”
“- [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)”