Coral Stone Levels

The more thoroughly a space is rated, the more stones it earns.

Score	Level
≥ 90	3 Stones
80–89	2.5 Stones
70–79	2 Stones
60–69	1.5 Stones
50–59	1 Stone
40–49	0.5 stone
< 40	Not rated

Building records get a space-quality reference score.

Ratings and recommendations on this site are reference conclusions drawn from public information and our own data; they do not constitute any official certification or qualification. We are equally candid about this limit: if you find an inaccuracy, please tell us via this site, and it will be corrected once verified. © 2026 Shanghai Ouyan Network Technology Co., Ltd.