The Pearl Rating System has various levels of certification, Ranging from one pearl to five pearls. A minimum certification of one pearl is required (two pearls for government buildings).
There are three stages of certification associated with the Pearl Rating System. The first stage is the Pearl Design Rating, success of which is tied to the building permit. The second stage is the Pearl Construction Rating, success of which is tied to the certificate of completion. The third, and yet to be developed stage, is the Pearl Operations Rating.