Analysis & grading

Service, Payment and Shipping Instructions by Laboratory Location



No matter where you are in the world, you can submit diamonds, coloured stones and pearls directly to any GIA laboratory location and be assured of consistent quality and service.  

WHERE TO SUBMIT

On-site services at each lab location vary. If you submit your item to a location where the requested service is not available, your item will be securely transported to the appropriate GIA laboratory and returned to its point of origin. Additional shipping charges will be applied in this instance. 

On-site Services by Location
                                   D-to-Z
Diamonds
D-to-Z
Diamond Origin
Coloured
Diamonds
Coloured
Diamond Origin
Laboratory-Grown
Diamonds
Coloured
Stones
               
Pearls
Diamond
Sealing
Service
Carlsbad      
New York
Antwerp 0.15-3.99 carats 0.15-3.99
carats
         
Bangkok 0.15-3.99 carats        
Gaborone 0.15-3.99 carats 0.15-3.99
carats
           
Hong Kong 0.15-3.99 carats   Yellow Diamonds
0.15-2.99 carats
   
Johannesburg 0.15-3.99 carats 0.15-3.99
carats
         
Mumbai 0.15-3.99 carats 0.15-3.99
carats
         
Ramat Gan 0.15-3.99 carats            
Surat 0.15-0.70 carats 0.15-0.70
carats
           
Tokyo 0.15-3.99 carats 0.15-3.99
carats
       
Dubai*                

*No services performed at this location. Take-in location staffed by GIA personnel.

You can also choose to submit through our network of GIA LabDirect Consolidators, who will route your items to the appropriate location and organise the details of international shipping for you. Please contact the Consolidator directly for submission and payment information.

Note that additional taxes/fees may apply, including local taxes, depending on the country where your items are submitted.

How to submit

For existing clients, always include your client account number in every submission.

If you are a new client and do not have a client number, please include the following in your first shipment:

Acceptable shipping methods at each laboratory location vary. Please be sure to use one of the accepted shipping methods.

Acceptable Shipping Methods

  U.S. Registered Mail Air/Armoured Courier In Person
Drop Off/Pick Up
FedEx/UPS
Carlsbad
New York * * * *
Antwerp ** ** ** **
Bangkok      
Gaborone   Malca-Amit or Brinks only  
Hong Kong    
Johannesburg   Malca-Amit or Brinks only  
Mumbai    
Ramat Gan     ***  
Surat    
Tokyo    
Dubai    

*Please note that our New York location has different shipping addresses, depending on the shipping method.
**Please note that our Antwerp location has different shipping addresses, depending on the shipping method.
***By appointment only. Limit 2 appointments per week/5 items per appointment

PAYMENT FOR LABORATORY SERVICES

Acceptable methods of payment:

  • Cashier’s cheques
  • Business cheques (from the gem and jewellery industry)
  • Money orders
  • Credit card (payment by phone only)
  • Bank transfer

Additional payment requirements:

  • Payment must be made in full before reports and items will be returned unless you are approved to invoice. For more information on this process, contact us
  • Payment must be made in the local currency of the laboratory the submission was made to
  • Cashier’s Cheques, business cheques and money orders will be drawn from a bank within the local country of the laboratory the submission was made to. Items shipped to GIA from GIA Lab Consolidators must be paid in U.S. dollars
  • Call or email your local laboratory for bank transfer information including GIA’s account number and sort code

For questions about payment, please call +1 760-603-4500 option 8, or contact us