Electronic instruments for use in gemological laboratories and by retail or wholesale jewelers, jewelry manufacturers, gemstone traders or polishers, comprising an analytical spectrometer, and associated optical and electronic parts, coupled to a fiber-optic probe, which measure the intensity of retro-reflected light, and proprietary software to verify the natural or synthetic origin of diamonds sold as a unit therewith

Diamond-coated drill bits, saw blades, files and other peripherals, namely grinding heads, grinding wheels, and engraving tips, and related accessories such as water lubrication devices and attachment adapters for use on or with power tools

INSTRUMENTS FOR USE IN GEMOLOGICAL LABORATORIES COMPRISING A FIBER-OPTIC PROBE WHICH MEASURES THE INTENSITY OF RETRO-REFLECTED LIGHT, AND PROPRIETARY SOFTWARE TO VERIFY THE NATURAL OR SYNTHETIC ORIGIN OF DIAMONDS

electronic apparatus coupled to a fiber-optic probe, which measures the intensity of retro-reflected light and includes proprietary software to verify the natural or synthetic origin of diamonds