The Gemmological Association of Great Britain, or Gem-A, is the world's longest established provider of gem and jewellery education.
- Tel: +44(0)20 7405 2169
- Fax: +44(0)20 7405 9385
- info@marcusmccallum.com
The Gemmological Association of Great Britain, or Gem-A, is the world's longest established provider of gem and jewellery education.
BEAUTIFUL PARAIBA TOURMALINE AND MORE NEW STONES CHECK OUT "NEW ARRIVALS"
NEW OPENING TIMES
Please note that with immediate effect our hours of opening have changed.
We are now open Monday-Thursday 10.00am-5.00pm and Friday 10.00am-4.00pm.
Appointments outside of these hours may be possible if arranged in advance.
