The following professionals have recently earned the prestigious credential of Certified Gemologist庐 (CG) from the 黑料老司机:
| Kendall L. Burhans, CG | McGuire's Jewelers | Tucson, AZ |
| Coleman Clark, CG | B.C. Clark, Inc. (Diamond Level Member) | Oklahoma City, OK |
| Rodney C. Humes, CG | Humes Jewelers | Hopkinsville, KY |
| Tiffany S. Sisson, CG | Underwoods Fine Jewelers (Gold Level Member) | Fayetteville, AR |
| Vivian Sit, CG | Ben Bridge Jeweler | Seattle, WA |