Electrical and electronic machines for use in connection with testing, analysis, inspection and certification of gems and gemstones, namely, electronic instruments comprising a camera interfacing with a computer, the camera utilizing illumination from an ultraviolet lamp, said instruments used to create electronic images of diamonds so that the natural or synthetic origin thereof can be verified, electronic instruments comprising an analytical spectrometer, and associated optical and electronic parts, coupled to a fibre-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, electronic instruments comprising photoluminescence spectroscopy apparatus interfaced with a processor for analyzing the spectral data from the spectrometer, for indicating whether gemstones are untreated or treated or for verifying the natural or synthetic origin of gemstones; data carriers featuring educational materials in the field of diamonds, jewellery, precious and semi-precious stones, precious metals and semi-precious metals, namely, videotapes, CD-ROMs, audiotapes and transmitters and reproducers of sound, images or data; structural parts and fittings for all the aforesaid goods

Technical business consultancy and advisory services relating to the establishment of retail stores, mail order services, product catalogue order services and computer order services, all in the field of diamonds, jewelry, precious and semi-precious stones, precious metals and semi-precious metals; registering diamonds, jewelry, precious and semi-precious stones for others

Gem and jewellery repair and cleaning services, namely, remounting, repairing, maintaining, treatment and cleaning of semi-precious stones, precious stones and jewellery

Engraving and cutting of diamonds, jewellery, precious and semi-precious stones; engraving of semi-precious metals and precious metals; engraving of jewellery in semi-precious and precious metals; cutting and inscribing of diamonds, jewelry, precious and semi-precious stones

educational services, namely, providing live and on-line classes colloquiums, conferences, congresses, seminars, symposiums and workshops in the field of precious and semi-precious stones and jewellery, including diamonds and diamond jewellery; training services, namely providing classes colloquiums, conferences, congresses, seminars, symposiums and workshops in the field of precious and semi-precious stones and jewellery, including diamonds and diamond jewellery; instruction services in the field of precious and semi-precious stones and jewellery, including diamonds and diamond jewellery; arranging and conducting of seminars and conferences for training and educational purposes in the field of precious and semi-precious stones and jewellery, including diamonds and diamond jewellery; arranging and conducting of workshops for training and educational purposes in the field of precious and semi-precious stones and jewellery, including diamonds and diamond jewellery; publishing and publication of books journals and printed matter, namely magazines; publishing and publication of CD-ROMs namely, electronic publishing services namely, publication of text and graphic work of others on CD, DVD and on-line featuring information about precious and semi-precious stones and jewellery including diamonds and diamond jewellery

Scientific and laboratory research services in the field of minerals and gems; quality control services for others; materials testing and analysis services; design, testing, inspection of scientific and laboratory instruments for others; technical research in the field of minerals and gems; material testing, namely, testing of minerals and gems; design and development of computer software for use in relation to gemological instruments and services; gemological services namely, the identification and grading of diamonds, jewellery, precious and semi-precious stones; research and development services all in the field of identifying, grading, registering, and inscribing diamonds, jewellery, precious and semi precious stones, precious metals and semi-precious metals