42 Scientific and technological services, namely, research and design in the field of diamonds; industrial analysis and research services, namely, analysis of goods of diamonds to assure compliance with industry standards; design, technical research, development and testing of computer hardware, software, scientific and laboratory instruments all relating to the screening, grading, identification, authentication, observation, weighing, measuring, testing, checking, cleaning, analysis, sorting, inspection, evaluation, inscription, verification including parcel verification and certification of diamonds including set diamonds, diamond melee, jewellery, precious and semi-precious stones; material testing and examining apparatus and instruments all relating to the screening, grading, identification, authentication, observation, weighing, measuring, testing, checking, cleaning, analysis, sorting, inspection, evaluation, inscription, verification including parcel verification and certification of diamonds including set diamonds, diamond melee, jewellery, precious and semi-precious stones; gemmological services, namely, the screening, grading, identification, authentication, observation, weighing, measuring, testing, checking, cleaning, analysis, sorting, inspection, evaluation, inscription, verification including parcel verification and certification of diamonds including set diamonds, diamond melee, jewellery, precious and semi-precious stones; quality management services, namely, quality evaluation and analysis, quality assurance, and quality control in the field of diamonds, jewellery, precious and semi-precious stones; technical consultancy and advisory services in the nature of computer hardware, design, software, scientific and laboratory instruments all relating to the screening, grading, identification, authentication, observation, weighing, measuring, testing, checking, cleaning, analysis, sorting, inspection, evaluation, inscription, verification including parcel verification and certification of diamonds including set diamonds, diamond melee, jewellery, precious and semi-precious stones