All or some of the proceeding gemological instruments may have been utilized during the examination of the subject designated on the reports: A fully corrected triplet loupe, binocular microscope, master color comparison diamond set, electronic carat balancing scale, synthetic diamond detection device, optical measuring device, proportion scope-computer aided non-contact diamond proportioning measuring system, electronic digital caliper, spectroscope system, long and short wave ultraviolet light mechanism, fiber optic illumination, diffused/balanced north daylight color grader instrument, electronic gold/platinum testing unit, refractometer, polariscope and specific gravity liquids.