Gemologist/Appraiser/Grader/Cutter/Diamond Broker/Past NAJA Certified Senior Member# 21247; Have specialty in Rough Diamond Evaluation; Rough Diamond Planning and Marking for Cutting; Trained Diamond Cutter and Colored Stone Cutter.? Have on site colored gem cutting and polishing lab.? Verbal appraisals start at $25? with certified written appraisals starting at $50; fees increase based on complexity of the item.? Gem Identification Services while you watch. Professional Jewelry cleaning equipment and polishing equipment on site. All Services by Appointment.