With over a century of experience, Hartman Horology & Gemology Research has provided trusted
appraisal, authentication, and laboratory analysis services for fine jewelry,
timepieces, and precious gemstones. Our legacy spans five generations of master
jewelers and horologists, combining traditional expertise with modern scientific
gemological testing.
Today, HHGR employs three GIA Graduate Gemologists, ensuring every
report is accurate, unbiased, and internationally recognized.
GIA Graduate Gemologist with expertise in diamond grading, colored stones, and estate jewelry authentication. (Bio placeholder)
Specialist in antique jewelry, horology, and laboratory spectroscopy testing. (Bio placeholder)
Expert appraiser focusing on insurance documentation, valuation reports, and forensic gemology. (Bio placeholder)