June 2015 – GSI (Gemological Science International), one of the world's largest gem labs, is pleased to announce that it has decided to incorporate into its polished diamond grading and education services the full Sarine ProfileTM, including deriving the stone's...
[lwptoc] Introduction: Medium Green to Dark Green variety of the mineral Beryl is termed as“Emerald”. Light Green Beryl is not emerald; it is classified as Green Beryl. The name emerald comes from the Greek word 'smaragdos' as well as the...
Surat, May 2015 – GSI (Gemological Science International), one of the largest independently owned gemological laboratories in the world, hosted its first ‘GSI Diamond Community Lunch’ on 14th May 2015 at The Gateway Hotel, Surat. GSI organized this exclusive luncheon...
Mumbai, April 2015 - Gemological Science International (GSI), one of the largest independently owned gemological laboratories in the world, recently hosted a Hi-Tea with Free Interactive Demo Session for ladies at the Trivandrum Club. According to the CEO of GSI,...
Mumbai, 18th April 2015 - Gemological Science International (GSI), one of the largest independently owned gemological laboratories in the world, is pleased to conduct a One Day Session in association with Parinay Jewellery at Trivandrum. This is the first time...
[lwptoc] MRS. SEEMA A. ATHAVALE CHIEF GEMOLOGIST, GSI M.Sc., D.G. FGA (UK), GRADUATE PEARL GIA (USA), Marine water pearl culture technician, Tuticorin (CMFRI), Tamil Nadu, India. Introduction: According to the ancient scripts of Sanskrit, both kuruvinda and padmaraga are names...
Botswana, February 2015 – Gemological Science International (GSI), one of the largest independently owned gemological laboratories in the world, is pleased to announce that its Botswana laboratory is the first in Africa to use DiaMension™ Axiom in Africa. DiaMension™ Axiom...
A parcel of a few diamonds came to GSI for testing. Size of diamonds ranges from 0.40 – 0.70 Cts. Diamonds graded as high clarity and near colorless. Visual examination was difficult to identify because natural diamond and laboratory grown...
GSI is headquartered in New York, NY. It has 13 laboratories on four continents and in a number of countries: the United States, India, Dubai, Israel, Belgium, Hong Kong, and Botswana. This makes GSI one of the largest independent gemological organizations in the world.
All GSI laboratories grade using the same methods and adhere to the same standards. Every laboratory is staffed with highly trained professionals who have years of grading experience and an extensive gemological background.
The phrases “GSI Certificate” and “GSI Certified” are industry shorthand for GSI grading or identification reports. What this means to you is that expert gemologists and trained professionals meticulously evaluated the item. When your diamond, jewelry or gemstone is accompanied by a GSI grading report, you can be completely confident in the accuracy and objectivity of the evaluation.
GSI diamond grading and identification reports can be found in jewelry stores worldwide and online. Insist on a GSI grading report when shopping for a diamond, jewelry or gemstone.
Every GSI grading report is available on our website. Please visit gemscience.net and go to “verify your report”. Enter your GSI report number and you’ll instantly have access to a digital copy of it. You can also email us through the website to request a copy.
