Very friendly and helpful. Turnaround time exceeded expectations. Stayed in contact before and after analysis. The report was just what we wanted

A. Chandrshekahrar Tamilnadu

Greatly appreciate the communication on the process, what we needed to do in terms of providing samples, what to expect. OIGS provided what we needed in terms of certification that we can use with our customers.

Rupesh Pune Maharastra

The analysis/evaluations required were performed in a highly professional and time efficient manner. The results were presented with sufficient information and technical background.

Ashok Kumar, Motihari Bihar

“OIGS has been prompt, thorough, and knowledgeable throughout this project. We will be sure to contact OIGS for any future product analysis and testing needs.”

P. K Sharma, Saharanpur UP

“I think very highly of OIGS and its personnel, who did a very professional, unbiased analysis in a timely fashion for a fair price. Your report presented the analysis in a clear fashion with understandable graphics that even this non-scientist could understand.

Guru Kripa Jewellers Bareilly Uttar Pradesh

I would 100% use their research laboratories again for my products in the future and send my highest recommendations for their services.

Sanjeev Kumar Karol Bagh New Delhi

The service was excellent and they were always in contact to give me information about the Testing Report. Also, they answer each mail I sent and listen what I was expected to be reported. Thanks.

Rudraksha Pundit Dehradun

The report and care taken to categorize and test our Diamond Jewellery products per instructions was excellent. We were able to get the testing done on an expedited schedule and it was well worth every dime. Teamwork!.

Shiva Ratn Kendra Haridwar

We had a very delicate situation at our facility that required immediate testing with a very short turnaround time. OIGS was able to complete this task quickly and efficiently. Customer service was very courteous and helpful. I would definitely use OIGS again if needed.

Biman Chakraborty Kolkata, West Bengal

I had looked everywhere to obtain information as you provided. All others inferred they could or would, but when it came to providing the service, OIGS was the only one to complete the analytical informative service. I highly recommend your services to others.

Parakh Ratn Kendra Haridwar

OIGS performed several analytical tests for us to support our business development. We were impressed with the accuracy of the results and the thorough report that was provided. The people there were pleasant to interact with and very helpful. We would not hesitate to work with them again.

Shubh Ratn Kendra Haridwar

One of most reputed institutes. Staffs are very friendly, expertise in their field and they give their full effort to make us sure that we understand the Reports.

N Suresh Karnataka

Authentic lab results!!Great work Gautam Ji! Would recommend other suppliers too . Thanks.

Rudrascanopy Ludhiana, Punjab, India

Best and authentic place to test your Gem stone, very reliable and had many advance machines. Best place to authenticate your gemstones with internationally accepted certificate

Kapoor Jewellers Dehradun

The best Gemological lab in India. The labs are of excellent quality and great work environment. The pricing is understandable considering the standards they maintain with consistency

Punjab Jewellers

OIGS is among the premier networks of Gemological Laboratories, which Certification Make trust between seller and Buyer. I highly recommended OIGS For Gem Certification & Valuation.

Zaveri Jewellers Lucknow

Visitor Count

318962