Gem Lab
What are your standard turnaround times?
Standard turnaround is 5-7 working days.
Do you offer an express service for all items?
We offer a same day / next day service for natural diamond standard reports (up to five stones), natural diamond intermediate reports, diamond screening, tanzanite standard reports, gem ID standard reports.
Additional charges apply for express services. Same day will incur a 100% surcharge. Next day will incur a 50% surcharge.
Please contact us in advance of submission of complex jewellery items.
Pearls, coloured diamonds, and gemstones requiring treatment determination or origin opinion have a longer lead time. Please contact us in advance of submission.
How do I send items to you?
We want to make sending your precious items to us as easy and secure as possible. If you’re a new customer, simply download and complete our new customer form so we have all the necessary details.
Once that’s done, download and fill out a submission form, then print it and send it along with your items. You can choose to mail or courier them to us, or if you prefer, you’re welcome to personally drop them off at our customer services counter. We understand how important these pieces are to you, and we’re here to ensure the process is smooth and worry-free.
Our Address
Birmingham Assay Office, 1 Moreton Street, Birmingham B1 3AX
Do you offer an unsetting and resetting service?
We outsource from a local reliable jeweller for un-setting and re-setting stones if the mounting permits, this carries an additional charge. Please contact us in advance of submission. Photographs of the item may be requested to determine whether un-setting is advisable.
Can you identify laboratory-grown diamonds?
Yes, we can confidently identify laboratory grown diamonds with our advanced laboratory equipment.
Birmingham assay office
- Address: Birmingham Assay Office, 1 Moreton Street, Birmingham B1 3AX
- Phone: 0121 820 0773
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Opening hours: 8.30am until 4.00pm Monday to Thursday
Friday 8.30am until 3.30pm
When driving to Birmingham Assay office please note:
- For Customer drop off and collection please use Moreton St
- For Visitors please use main entrance on Icknield St
- Moreton Street – connects Pope Street and Carver Street.
- Pope Street is one way
- Carver Street is one way and Moreton Street can only be accessed by turning right