Test lab in England

[RRfromR]

Hi all, what's a reputable test lab in UK? I have my eyes on an antique item and the vendor believes it's untreated, but I'd like to buy it already certified. TIA!

 

[chrono]

Not sure what else is in the UK itself but I've seen some UK based forum members mention this place:

Assay Office - Hallmarking of precious metals, Gold hallmarks, Silver hallmarks - Assay Office

Assaying, testing and hallmarking of precious metals. Silver Hallmarks and Gold hallmarks. Laser Hallmarking. Date letters. Hallmark identification.

theassayoffice.com

 

[Daze]

- The Anchor Gem Lab
- The Gem and Pearl Lab
- The GSC

These are the only three that I know of but I cannot attest to their accuracy.
It’s slim pickings over here.

 

[RRfromR]

- The Anchor Gem Lab
- The Gem and Pearl Lab
- The GSC

These are the only three that I know of but I cannot attest to their accuracy.
It’s slim pickings over here.

@Daze the vendor is using The Gem and Pearl Lab.

 

[LilAlex]

Berganza uses "Gemmological Certification Services" in the UK. They seem to have lots of six figure colored-stone rings so I infer it must be pretty reliable. Many of them also have a GRS or SSEF.