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
Cultured Pearl Classification
Carlsbad    
New York
Bangkok 0.15-3.99 carats       0.15-3.99 carats
Gaborone 0.15-3.99 carats 0.15-3.99
carats
           
Hong Kong 0.15-3.99 carats 0.15-3.99 carats Yellow Diamonds
0.15-3.99 carats
  0.15-3.99 carats
Johannesburg 0.15-3.99 carats 0.15-3.99
carats
    0.15-3.99 carats      
Mumbai 0.15-3.99 carats 0.15-3.99
carats
    0.15-3.99 carats      
Ramat Gan 0.15-3.99 carats 0.15-3.99
carats
    0.15-3.99 carats      
Surat 0.15-0.70 carats 0.15-0.70
carats
    0.15-1.99
carats
     
Tokyo 0.15-3.99 carats 0.15-3.99
carats
    0.15-3.99 carats  
*Some follow-up services are completed locally. Find out more.

Melee Analysis Service

  Round melee with colour sorting option Round melee without colour sorting option Fancy-shaped melee (no colour sorting option)
Carlsbad  
New York  
Bangkok      
Gaborone      
Hong Kong
Johannesburg      
Mumbai
Ramat Gan      
Surat
Tokyo  

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

How to submit

You must have a GIA laboratory service account prior to submitting any items to GIA for analysis. If you do not already have an account, please create a new lab account.If you are not submitting in person, call the GIA laboratory to which you are shipping your items to provide your credit card information.

How to Prepare Your Shipment

When shipping items to GIA, please make sure you wrap each item in individual parcel papers.Along with your parcel, please include a memo containing the following information: Click here to create the memo in your client portal:

  • Client Name & Account Number
  • Main Address (must match the main address provided on your client account)
  • Primary Account Contact
  • Service(s) Requested by Stone - please include size and shape of each stone
  • Return shipping instructions (if any)
  • Special instructions

Acceptable Shipping Methods

Acceptable shipping methods at each laboratory location vary.Please make sure you use one of the accepted shipping methods. Outgoing shipping methods may vary.
 

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

*Please note that our New York location has different shipping addresses, depending on the shipping method.

PAYMENT FOR LABORATORY SERVICES

Acceptable methods of payment:

  • Cashier’s cheques
  • Business cheques (from the gem and jewellery industry)
  • Money orders
  • Credit card – only available from some laboratory locations. Find out more.
  • 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, please 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 on a bank within the local country of the laboratory to which the payment was submitted.Items sent to GIA from GIA Lab Consolidators must be paid for in US 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.