Gemstone Submission

We are pleased to offer various options for submitting your property to our laboratories around the world. If you do not currently have a GRS account at your preferred location, please contact the preferred location directly to get the relevant account registration documents. Please note that GRS does not test diamonds, colored gemstones exclusively.

Below you will find detailed information on how to submit gemstones to the various GRS laboratories worldwide.

Option 1: Shipping goods to Switzerland

We recommend shipping your goods directly to our laboratory in Switzerland via one of our preferred shipping companies:

They will handle the temporary import into Switzerland.

Preferred courier within Switzerland:

Please allow for approximately two weeks to test and return-ship your stones. Reports are ready a few days after we have return-shipped your property. Reports are sent separately via Fed-Ex and billed to you.

All shipping related charges must be covered by the client including adequate insurance coverage of goods for both ways. Please complete and sign the gemstone submission form including the insurance value and return it to us by email before shipping.

If you are a new client, please also include a copy of your passport and business registration.

Shipping Address:

GRS Gemresearch Swisslab AG
Baumschulweg 13
6045 Meggen
Switzerland

Tel: +41 41 210 31 31


Option 2: Personal delivery of goods in Switzerland

For personal delivery of goods to our laboratory, an appointment, a copy of your passport and business registration sent via email prior to your visit, is mandatory.

You may submit your stones directly at our laboratory in Central, Hong Kong. Please note the following opening hours:

Mon to Fri
10am to 1pm / 2pm to 5pm

Sat, Sun, Public Holidays
Closed

We have extended opening hours during the March, June and September Hong Kong jewellery tradeshows.

Prior to shipping goods to our laboratory, kindly inform us by email or fax about the intended number of stones being submitted for testing. Please include an itemized list indicating their weights and wholesale prices of the goods to be tested. Please include any special instructions, e.g. if the return-shipment address or the shipping information differ from the inbound shipment.

We accept shipments from all major global security transport providers such as Ferrari Express Inc., Brinks Global Services, Malca Amit etc. Please use your preferred carrier.

Shipping and laboratory address

GRS Lab (Hong Kong) Limited
19/F, Man Hing Commercial Building
79-83 Queen’s Road Central,
Hong Kong

T: +852 2376 3888
hk@gemresearch.ch

Please contact us directly about the current turnaround times or for any other questions.

IMPORTANT: It is the clients’ responsibility to insure the goods adequately and to provide the correct customs information.

You may submit your stones directly at our laboratory in Silom, Bangkok. Please note the following opening hours:

Mon to Fri
9am to 6pm

Sat, Sun, Public Holiday
Closed

Our laboratory address

GRS (Thailand) Co., Ltd.
No. 228, 230 Mahesak Road
Suriyawongse, Bangrak
Bangkok 10500

T: +66 2237 5898 / T: +66 2000 4628
info@gemresearch.ch

Important: Due to Thai customs and import regulations we do not accept any shipments to our laboratory in Bangkok. You may send the goods to our laboratories in Switzerland or Hong Kong. Please contact us directly about the current turnaround times or if you have any additional questions.

You may submit your stones directly at our laboratory on Galle Road, Colombo. Please note the following opening hours:

Mon to Fri
09:30am to 5pm

Sat, Sun, Public Holidays
Closed

Our laboratory address

GRS Lanka (PVT) Ltd.
471 3/1 Galle Road
Colombo 3
Sri Lanka

T: +94 112 500 666
srilanka@gemresearch.ch

Important: Due to Sir Lankan customs and import regulations we do not accept shipments to our laboratory in Colombo. You may send the goods to our laboratories in Switzerland or Hong Kong. Please contact us directly about the current turnaround times or if you have any additional questions.

Since 2013, GRS has its own fully equipped laboratory in Paris set up to be tangible for the houses of the Haute Joaillerie and for customers throughout Europe.

Advantages for you:

  • No customs charges for shipments from the EU
  • Fast turnaround (1 week)
  • Transparent and attractive pricing policy

We are in Paris once a month for one week’s time for testing goods in our own fully-equipped laboratory near Place Vendôme.

Shipments must be delivered on the 1st or 2nd day of our visit. The client must insure the transport for shipments (both ways). Please contact paris@gemresearch.ch before shipping.

BY APPOINTMENT ONLY!

Due to limited capacity, appointments are required and based on a first-come-first-served basis. All services are subject to availability and our Terms & Conditions.

Laboratory and shipping address:

GRS Lab (Paris)
3ème ètage, escalier C
211 Rue Saint-Honoré
Paris 75001
FRANCE

Tel: +33 1 45 75 54 05

Shipping from outside Paris

Shippings from the European Union are subject to a 50€ handling fee and must be delivered on the 1st or 2nd day of our visit. The transport companies that we prefer are Malca Amit, Ferrari, or FedEx. All shipping related charges must be covered by the client including adequate insurance coverage of goods for both ways.

Reports are ready a few days after we have return-shipped your property. Reports are sent separately via FedEx and billed to you. Please complete and sign the gemstone submission form including the insurance value and return it to us by email before shipping.

If you are a new client, please also include a copy of your passport and business registration.

Due to limited capacity, appointments are required and based on a first-come - first serve basis. All services are subject to availability and our Terms & Conditions. Please contact us in advance paris@gemresearch.ch or by phone: +33 1 45 75 54 05.

IMPORTANT: It is the clients’ responsibility to insure the goods adequately and to provide the correct customs information.

The GRS USA laboratory operates by a monthly shuttle service. You may submit your stones by appointment or shipment to our laboratory in New York, USA.

Appointments are required to submit items, please email usa@gemresearch.ch to join our mailing list to be informed of our opening hours & submission days.

Prior to shipping goods to our laboratory, confirmation with us by email is required to coordinate the shipment. Please include an itemized list indicating the weights and requested insurance values of the goods to be tested. Please include any special instructions, e.g. if the return-shipment address or the shipping information differ from the inbound shipment.

We accept shipments from all major global security transport providers such as Ferrari Express Inc., Brinks Global Services, Malca Amit etc. Please use your preferred carrier.

Shipping and laboratory address:

GRS Lab USA LLC
50 West 47th Street, Suite 1001
New York, NY 10036
United States of America

T: +1 (646) 927-6272
usa@gemresearch.ch

Please contact GRS Lab USA directly about the current turnaround times or if you have any additional questions.

IMPORTANT: It is the clients’ responsibility to insure the goods adequately and to provide the correct customs information.