We are an independent commercial gemological laboratory that provides professional gemstone identification and grading services to the gems and

jewellery industry.

NGL certificates bring confidence when buying or selling diamonds, gemstones and jewellery. Total commitment to understanding consumer concerns has

motivated NGL to develop comprehensive analysis and clear documentation for consumers. We strive to protect diamond retailers, manufacturers, traders

and the end consumers, by providing them with the highest quality reports and professional services.

NGL grades each stone with thorough detail supported by the latest technology and gemological expertise by a highly qualified team. This empowers

jewellery buyers to focus on finding precisely what they want, with full assurance in the integrity and quality of the NGL certification.

NGL has always continually upgraded in terms of technology and skills through our research and development. As a gemological laboratory, we confine

ourselves to the analysis and interpretation of the scientific characteristics of gemstones.

NGL protects the public through gemological research, education, impartial gem identification and grading services. NGL sets the standard for determining

the quality of diamonds and performs research-based identification of gems.

Using state-of-the-art instrumentation and visual observations to evaluate every gem, NGL expert graders and gemologists deliver consistent, accurate

results. With objectivity and expertise, NGL laboratories ensure the integrity and accuracy of every analyses and report issued. NGL’s collection of

gemological instruments, from loupes to microscopes to grading and identification tools, meets the practical needs of the jewellery industry.

NGL'S goal is to make gem lab services as reliable and convenient as possible for leading Stores in the gem and jewellery trade.

Our goal is to achieve excellence in service and complete customer satisfaction. It’s all about providing the highest level of professionalism and services, to

become the most preferred gemological laboratory.rvices to the gems and jewellery industry.