grcgemlab.com

grcgemlab.com is a live website hosted on Hangzhou Alibaba Advertising Co.,Ltd. (AS37963) in China, served by Nginx. cl0q first saw it on 2026-08-27 and last crawled it on 2026-08-27. It resolves to 121.41.64.152. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.

How the site describes itself:

GRC（Gem Research Center）

GRC(Gem Research Center) is an independent gemological research laboratory specializing in determining the Grading and Idetification of, and providing the reports for, diamond,colored gems (particularly ruby,sapphire, and emerald) as well as organic gems including pearls.