IDGL has been providing an independent diamond and gem stone grading service of the highest quality to the jewellery trade for over 10 years.
As well as providing certificates for modern cut diamonds, we also specialise in second hand / antique jewellery which generally does not come certified. With our sophisticated gem weight computer, we can calculate gem weights of mounted stones.
We issue four main types of certificate:
A range of valuation, custom and bespoke reports
are also available.
You can access our services a number of ways:
We guarantee a rapid turnaround time for our postal service.
Please note our prices are negotiable, depending on your volume of work.
We are confident in the value of our services.
Trade references are available here. We have many satisfied customers throughout the UK.
Finally, thank you for visiting our site and if you need more information take a look at our services, certificates and credentials pages and our gallery showing us at work.