Our Journal
Interesting articles and useful information about our world
they are loved and regarded than with a memorable piece of jewellery that has meaning.
The rectangular faceted pavilions of the Asscher diamond allow for light absorption from every angle; emitting a mesmerising rainbow effect...
Black diamonds, all you need to know...
Black diamonds are a mystery to many, so let us give you a little insight into the background of these dramatic precious gems.
Mari Thomas Jewellery is based in the beautiful town of Llandeilo in West Wales. it is the perfect spot for our Gallery and in-house workshop in a Grade II listed former hotel. Llandeilo offers the perfect day’s mooch about a quaint town, slowly absorbing the hidden gems from our very own premises.