News & Events

Synthetic Diamond Identification made easy

Gemmological Institute of India, Mumbai and Arotek Scientific Instruments Pvt. Ltd., jointly developed an advanced version of the existing Q-CHK Instrument.

Mr. Anup Zaveri, Trustee of GII addressed the gathering of the diamantaires at a breakfast meeting held at Hotel Mandalaly Bay Resort & Casino, Banyan-D, Level 5, South Convention Center, 3950 Las Vegas Blvd, Las Vegas, NV 89119.

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Mr. Anup Zaveri, Trustee-GII addressing the gathering

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 Sectional View of Audience

Q-CHK is one of the ultimate Instruments for Identification of CVD-HPHT Synthetics. The testing is done very easily and quickly. It is very versatile Instrument and does not require experience and gemological expertise to operate the machine. It is one stop solution for the menace of synthetic diamonds mixed in the natural diamonds packets or mounted in studded Jewellery. It is also offered at a very affordable price for the benefit of the Diamond industry all over the world, Mr. Zaveri stated.

It is a Luminescence based instrument with sample holder size 11cmX6cm for quick detection of synthetic diamonds (HPHT & CVD) in near colourless to tinted coloured (not fancy colours) diamonds; loose diamond in transparent plastic bags/sample plates and/or in studded Jewellery can easily be identified.

The machine can identify any size diamonds starting from -2 or (half cent) onwards. It is very simple and easy to operate. In a matter of 7-21 seconds nearly 1200 stones can be identified. It is highly recommended as a quick screening facility for traders dealing with large amount of stones and also for Jewellery stores to have a quick look in seconds to find out any synthetics in it.

Diamond in studded Jewellery can be easily detected.

Synthetic Diamond Identification Instrument

Gemmological Institute of India (GII) Mumbai and Arotek Scientific Instruments Pvt. Ltd. launching a Q-CHK++ Instrument for detecting synthetic diamonds in star and melee sizes and in studded jewellery on 2nd March, 2017 at Hong Kong International Jewellery Show at Wan Chai. This instrument is 3rd in the series of Q-CHK after 1st launch of Q-CGK on 8th July, 2016.

Q-CHK ++ is Luminescence based instrument for quick detection of synthetic diamonds (HPHT and CVD) in near colourless to tinted coloured (not fancy colours) diamonds. Loose diamonds in transparent plastic bags, sample plates and/or in studded Jewellery can easily be identified.

The machine can identify any size diamonds starting from -2 or (half cent) and above.

It is very simple and easy to operate. In a matter of 7-21 secs nearly 1200 stones can be tested and identified.

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Synthetic Diamonds in studded Jewellery can be easily detected and their positions can be marked. It is highly recommended as a quick screening facility for trader dealing with large amount of stones and also for Jewellery stores to have a quick look in seconds to find out any synthetics in it.

Mr. Bakul R. Mehta, Chairman, GII and Mr. Rajendrakumar A. Shah, Managing Trustee, GII stated that as on today Q-CHK is one of the ultimate Instruments for Identification of CVD-HPHT Synthetics. The testing is done very easily and quickly. It is very versatile Instrument and does not require experience and gemological expertise to operate the machine. It is one stop solution for the menace of synthetic diamonds mixed in the natural diamonds packets or mounted in studded Jewellery. It is also offered at a very affordable price for the benefit of the Diamond industry all over the world, they have stated.


Synthetic Diamond Identification made easy

Gemmological Institute of India, Mumbai and Arotek Scientific Instruments Pvt. Ltd., Thane India jointly developed an advanced version of the existing Q-CHK Instrument and launched the instrument at the Hong Kong International Jewellery Show on 2nd March, 2017. The launching ceremony had taken place in the presence of Shri Bakul Mehta, Chairman-GII, Shri Sohil Kothari from Fine Jewellery, Mumbai and Shri Manish Jivani from Anand International, Mumbai.

It is a Luminescence based instrument with sample holder size 11cmX6cm for quick detection of synthetic diamonds (HPHT & CVD) in near colourless to tinted coloured (not fancy colours) diamonds; loose diamond in transparent plastic bags, sample plates and/or in studded Jewellery can easily be identified.

The machine can identify any size starting from -2 or (half cent) onwards.

It is very simple and easy to operate. In a matter of 7-21 secs nearly 1200 stones can be identified.

It is highly recommended as a quick screening facility for trader dealing with large amount of stones and also for Jewellery stores to have a quick look in seconds to find out any synthetics in it.

Diamond in studded Jewellery can be easily detected.

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Dr. Lore Kiefert, Chief Guest, addressing the gathering

Highlights of the seminar includes, various types of treatments done to Ruby, Sapphire and Emeralds.

The treatments of heat, diffusion, fracture filling, beryllium etc. are dealt in depth. Treatments of Emeralds were discussed in detail with the help of slides. Identification of all the treatments were explained by study of inclusions and also by advanced spectroscopic methods. Dr. Lore there after given the presentation on Origin of Ruby, Sapphire and Emerald. It was very informative and dealt in detail from the formation of minerals millions of years ago and the drifting of continents and finally the present day position of the deposits are analyzed in very systematic and lucid manner.

Shri Bakul R. Mehta addressed the gathering and welcomed the guest.

Speech delivered by Shri Bakulbhai Mehta, Chairman, GII

Good morning Ladies & Gentleman

It is a Pleasure & Privilege to welcome you all to the Annual convocation of the Institute and award function. The programme will be followed by seminar of Dr. Lore Kiefert. I am pleased in welcoming our Chief Guest Dr. Lore Kiefert, Chief Gemmologist, Gubelin Gem Lab Ltd. Switzerland. She will be giving us a very valuable presentation on “Treatments and Origins of Ruby, Sapphire and Emerald” today.

This is one of the series of seminars by the renowned personalities, which the GII has planned along with other organizations in India. I also welcome Shri Rajiv Jain, MD and Chairman of M/s Sambhav Gems who doesn’t need any introduction to the Gem & Jewellery industry, He is former

Chairman of the Gem & Jewellery Export Promotion Council and he is the co-convener of the technical Committee of the Council.

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 At the convocation function held on 1st October, 2016

Friends, I stand before you with a heart full of containment and satisfaction that the Gemological Institute of India has crossed over many milestones towards the fulfillment of dissemination of gemological knowledge and advancement of the Research studies related to Gem & Jewellery field in India.

Any Industry after certain stages of its development requires scientific foundation or knowledge base for its un-interrupted growth.

Today the Gem & Jewellery industry in India is one of the most modern industries using the highly sophisticated instruments and technology for manufacturing of gemstones and its identification.

This technological advancement was possible only because of the relentless efforts that have been put up by the industry organizations and educational institutions connected to the Gem & jewellery industry in India.

Since 1971 GII has been actively working to protect, support, promote and propagate the scientific developments and gemological education in the country.
The seed that was sawn by the visionaries in 1971 under the leadership of Shri KirtibhaiDoshiand others has grown into the gigantic tree that started yielding fruits today.

We are indebted and profoundly thank ShriKirtibhaiDoshi, ShriRajendrabhai A. Shah& other senior trustee for their pragmatic approach for scientific development and far sightedness in establishing the Gemological Institute of India, the very first school in gemology in the country.

Now it is the time for present Trust Board and the industry to carry forward the GII to further heights.

For this purpose we need the young talents who have graduated from the institutes like GII. Today it is the time the Industry needs more and more technocrats who are qualified and having commitment, dedication with an open and scientific band of mind.

The challenges the industry is facing today is different from that of yester years.
Synthetic diamonds is one amongst them. Treatment is yet another field where we need detailed study to differentiate natural from treated stones. Origin of gemstones plays an important role.

No doubt the gemstone business is still a very subjective one. The younger generations learn by experience and it is mostly handed over by hereditary manner. Nevertheless, that traditional knowledge of the dealer has to be supported by strong scientific foundation. Therefore we need to spread the knowledge of gemology across the country and around the globe. Gemology is a language we traders should be speaking throughout the world. It is a vehicle of communication.

I take this opportunity to congratulate the students who have graduated from GII and wish them good luck.

Friends, I would like to make an important announcement today.

Over the years GII services and certificates became very popular all over the Country because of the increasing support and co-operation and patronage given to GII by the Industry.

In recognition of this support the Board of Trustees of the GII has unanimously decided to institute an award to those Industry members who have been continuously motivating us and the spirit behind our services and success.

The award is named as “GII Star Mitra Award”.
We have divided the Awards in to 3 categories:

1. Gemstones
2. Jewellery and
3. Diamonds.

We have instituted 2 awards from each category for the top two partners.
We have decided to start this award from the financial year ending 31st March, 2016 and will be continuing forever. I believe in coming years the award would be become most sought after.

I take this opportunity to congratulate all the recipients of the awards.

I invite friends, patrons and associates of GII, particularly from the Gem Stone & Jewellery sector, actively involve themselves with GII activities for promotion of Trade.

I suggest we will introduce colour Gem focused Jewellery Designing programmes. GII will also look forward to partner with Jewellery Retailers in Ad-campaign as certifier.

Coming to the Research and Development activities of GII is concerned our team of GII scientist headed by Dr. M. D. Sastry is doing an exemplary job in taking care of the needs of the Indian industry specially addressing the recent advent of synthetic diamonds in the Indian market.

With the support of the Trade organization like Council, BDB, DEAL, MDMA etc. we are sure that the Indian industry could overcome the challenges that are coming up in the course of our onward journey.

I once again thank you all, especially my colleagues in the Trust Board for their valuable support and co-operation to me.
I also thank Dr. Lore Kiefert for accepting our invitation and grace the occasion with her presence.
I also thank Shri Rajiv Jain for accepting our invitation and grace the occasion.
I also place on record my sincere appreciation to all the staff of GII ably led by Mr. Ramchandran, Dr. Sastry, Mr. Das for their commitment and dedication to the responsibilities entrusted to them.

Thanking you once again,
Jai Hind.


Shri Rajiv Jain, Guest of Honor on the occasion addressed the gathering.

Shri Rajiv Jain was the former Chairman of the Council and he is the Chairman and Managing Director of Sambhav Gems Ltd., Jaipur. Shri Rajiv Jain appreciated the efforts made by GII in promoting the scientific aspects of gemstones by organizing such seminars and he appealed to the industry member to take advantage of the laboratory services offered by the Council’s laboratories. He also wanted the gem testing laboratories in India should work together and share their knowledge for the benefit of the industry.

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Shri Arvindbhai Parikh, Trustee of the GII, Proposed vote of thanks.

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Respected Dr. Lore, Shri Rajiv Jain, Shri Bakulbhai, Shri Kirtibhai, Shri Rajendrabhai and my colleagues and friends.
It is my privilege to be here today to propose a vote of thanks on this occasion of the Convocation and Seminar.
First of all my hearty congratulations to the recipients of the “GII Star Mitra Award” instituted by GII.
It is your support and inspiration that gives us the strength to serve the industry efficiently.
I thank each and every organization especially the GJEPC, DEAL, MDMA, GJEA, BDB for their whole hearted support and co-operation to GII for fulfilling its goals.
We are ever grateful to Dr. Lore Kiefert for accepting our invitation and came to Mumbai all the way from Switzerland.
I am sure that the Indian Industry and our young gemologist graduated today will be immensely benefited from your presentation on Ruby, Sapphire and Emerald in the next few hours. We are grateful to Shri Rajivji to accept our invitation and made it convenient to come here from Jaipur to grace the occasion. We thank you very much for your presence at the function and your valuable advice and guidance is of great value to all of us.

The Coloured stone industry in India is at a cross roads. It has to face number of challenges to compete in the world markets, To address the challenges country need progressive and pragmatic people like Rajivji. I therefore request Rajivji to take maximum interest in the field of various gemological activities.

I place on record my sincere thanks to my friends and colleague from the industry for their valuable and continued support and co-operation to GII.
I also thank the press for their unfailing support to our activities in the media regularly.


Instrument for immediate detection of Synthetic diamonds

Mumbai, 8th July 2016: To address the threat of undisclosed mixing of Synthetic diamonds with Natural Diamonds, the Gemmological Institute of India (GII), a project of GJEPC and co-sponsored by BDB has introduced a new instrument which immediately detects synthetic diamonds. The instrument which has been named as “Quick-Check”, has been designed by the in-house research team of the Gemmological Institute of India and Arotek.

Quick-Check takes only a few seconds to scan the ‘High Pressure High Temperature’ (HPHT) type IIb diamonds once they are loaded in the detection chamber of the instrument. The instrument is simple to use and does not need a highly qualified professional to operate, unlike the currently available diamond detection instruments, which are technical and scientific and hence complex in nature.

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The instrument can detect HPHT diamonds in a few seconds.

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Commenting on the induction of this instrument, Mr.Bakul Mehta, Chairman, Gemological Institute of India, said, We will now be able to detect HPHT Type IIb synthetic diamonds immediately and with absolute results, with the introduction of ‘Quick-Check’. This affordable device will be able to curtail the threat of mixing of synthetic diamonds in the market. This is so essential to maintain customer confidence. I invite Retailer and manufacturers to come forward and avail the benefits of this instrument.

Mr. Praveenshankar Pandya, Chairman, GJEPC, said, We wish to safeguard ourselves against any threat of illicit mixing of synthetics with natural diamonds. With the advent of this instrument, the industry will benefit the most as the detection of synthetic diamonds with this instrument will help supply of natural diamonds to flourish. I am very impressed with the ease of use and affordability of this instrument.


Mr. Russell Mehta, Vice Chairman, GJEPC, also said, This is a landmark achievement by Gemmological Institute of India. India is one of the largest hubs for diamond processing and this initiative will build more confidence in the trade circles.

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