Professional appraisals protect the value of your jewelry investment. In selecting an appraiser, it’s important that the appraisal be performed by a certified appraisal professional — not just a gemologist. David Craig is not only a certified gemologist, but also a certified gemologist appraiser. With an AGS-certified Gemology Laboratory on site at his retail location, you can rest assured that the appraisal you receive from David Craig Jewelers will be accurate. Below are a number of reasons for having your fine jewelry and diamonds appraised.