IDGL Diamond and gem grading

Take advantage of our new client offer.

We are currently offering new or returning clients a discount on their first order*. If you would like more deails, or wish to order sample reports, book on-site grading, receive an estimate for grading certificates or arrange delivery of your jewellery please get in touch. The fastest way to contact us is to simply give us a call on the number below Monday to Friday during UK office hours.

Please note our staff are always ready to help answer your questions but if you have a query about an item you have purchased from a jeweller, dealer or private individual which came with one of our certificates, can you please in the first instance contact the seller.

We look forward to hearing from you.

* Terms & Conditions apply.


"Diamonds never leave you... men do!"
: Shirley Bassey

Diamond Grading
Sorting out the clients items to be tested, graded and certified.

Grading Certificates For
Items of All Value

Contact us now!

IDGL Chief Gemologist Mr. S. Chung F.G.A. Recipient, G.I.A. Diamonds and Diamond Grading Certificate.