The following individuals have recently earned the prestigious title of Certified Gemologist® (CG) from the American Gem Society:
| Robert D. Arbour, CG | Lewis Jewelers | Ann Arbor, MI |
| Pat DuFrayne, CG | Warwick Jewelers of Exton, Inc. | Exton, PA |
| Cara Nygren, CG | Lewis Jewelers | Ann Arbor, MI |
