This site has limited support for your browser. We recommend switching to Edge, Chrome, Safari, or Firefox.

Passionately handcrafted

with individual style and innovative design

Shop all

Award Winning Jeweller

Mari Thomas is one of the few artists to win both the coveted Gold Medal for Craft and Design and the Craft and Design Award at the National Eisteddfod - the highest accolades in Wales.

In-house Workshop

At the heart of the business is the our jewellery workshop. Working in all precious metals; Gold, silver, platinum and palladium. Our small team of talented jewellers bring Mari’s unique and distinctive design to life with the sole purpose of delivering outstanding quality, attention to detail and craftsmanship to each piece.

Get in touch

We've tried to anticipate any questions you might have through our product pages and FAQ section - but if you can't find the answer you're looking for then get in touch with us using the contact form on our 'contact us' page. Or call us on 01558 660001.

Featured Collection

Our Gyda'n Gilydd collection was created to help loved ones celebrate together in a time where that has not always been possible

Bespoke Commission

Book a 1 hour, free, no obligation consultation to remodel or design the perfect piece of jewellery with Mari Thomas.

Get in touch

Mari Thomas Jewellery

The Old Castle Hotel,

113 Rhosmaen Street,

Llandeilo,

Carmarthenshire,

SA19 6EN

Mon - Sat, 10am - 5pm

Directions

Cart

No more products available for purchase

Your cart is currently empty.