Gemological Science International is one of the leading gemological organizations in the world provides grading for loose and studded diamond and gemstone jewelry education and conducts gemological research. The only major independent gemological entity that has been established in the 21st century, Gemological Science International provides a perfect combination of state of the art technology, industry proficiency, expertise, and ethical integrity in their services. The leading members of the management team of the GSI family hold over half a century of industry experience and knowledge. The demeanor and passion of the employees to grow and educate has contributed to the success of Gemological Science International in providing reliable and expert services globally.
Gemological Science International’s commitment to providing fast, reliable, and excellent services globally is backed by GSI’s four pillars of philosophy based on what they believe, preach, and execute. The four pillars of Gemological Science International are Integrity, Innovation, professional service, and research & education.
All Gemological Science International laboratories worldwide follow standard operating procedures to ensure consistent and reliable services globally. Founded in the year 2005 by Mr. Mark Gershburg and Ms. Debbie Azar in New York, Gemological Science International grew into one of the world’s largest gemological organizations/ It provides grading, identification, research, and testing services in the United States, India, Israel, Belgium, Dubai, Botswana, and Hong Kong.
Gemological Science International is dedicated to educating retailers and customers worldwide through various educational programs and courses.
Gemological Science International, with the help of its expert staff and advanced instruments deliver the highest quality standard and assurance grading reports, known as certificates. Consumers can access their GSI grading reports (certificates) from anywhere across the globe by logging in to GSI website. All GSI grading reports (certificates) are issued by following standard procedures across all branches globally.
Gemological Science International offers a variety of grading and identification reports (certificates) in various sizes and formats. The reports (certificates) are accompanied by educational materials.