Your cart
Close Alternative Icon
Enter the code MT-FREESHIPPING at checkout for FREE UK SPECIAL DELIVERY when you spend £100 more Enter the code MT-FREESHIPPING at checkout for FREE UK SPECIAL DELIVERY when you spend £100 more. Click and Collect also available from the gallery.


Cofio Cube: 1 cube bangle, silver - Mari Thomas Jewellery


Decorative Concepts: charm bracelet, silver - Mari Thomas Jewellery


Solitaire: silver brooch with a semi precious stone - Mari Thomas Jewellery


Bubbles: bracelet, silver - Mari Thomas Jewellery


Celebrate with gorgeous, wearable hand crafted champagne bubbles. The perfect celebratory toast captured in precious metal.
Available in 18ct yellow gold or silver, this collection will be celebrated alongside you, no matter the occasion.
Large bubbles pendant, Silver with Iolite - Mari Thomas Jewellery

bubbles with stones

Carreg: bangle, silver - Mari Thomas Jewellery

Carreg (Limited Edition)

Our NEW and limited edition Carreg Collection is inspired by the stone structures and rock formations of Welsh Castles developed from sketches and drawings created at Carreg Cennen and Kidwelly Castles. The scratched frosted texture on the silver gives each piece a soft, elegant sparkle.

Carved: fractured earrings, silver - Mari Thomas Jewellery


This hand carved and sculptured collection captures the essence of the beautiful rocks and mountains found in the rugged Welsh landscape. It is crafted in solid silver which is sometimes plated in rich 23ct yellow gold or oxidised in black which is reminiscent of slate or anthracite coal found in Wales. The frosting and polishing in parts highlights the different textures and colours of these sculptured wearable pieces.

Cofio: pendant, silver - Mari Thomas Jewellery

Cofio - Remember

Inspired and containing the famous Welsh poem "Cofio" or "Remember" by Waldo Williams. The three dimensional pattern is created by Mari's hand written text etched onto each surface. 

This collection was a winner of the the Craft and Design Award at the National Eisteddfod of Wales.

Cofio Cube: long arc earrings, silver - Mari Thomas Jewellery

Cofio Cube

 Fragments of letters in Mari’s hand writing are etched onto silver cubes to make a collection of jewellery that is versatile for the wearer. Inspired by the the Welsh poem "Cofio" / "Remember" by poet Waldo Williams.

Crescent: Silver 3 arc pendant - Mari Thomas Jewellery


Inspired by the sweeping stroke of a fine paint brush, Mari Thomas expresses her devotion for the arts in this collection. Creating fluid layers and lines within the metal, illustrating the textures of paint on canvas.
Carved: Rectangular cufflinks, silver - Mari Thomas Jewellery


Dathlu: cariad charm bracelet, silver - Mari Thomas Jewellery

Dathlu: Cariad

The Dathlu Collection - a stunning collection of jewellery (named Celebration in English) contain select words which rouse feeling of celebration and happiness, combined with a design inspired by Champagne and bubbles, the epitome of a celebration toast.  These particular pieces contain the word Cariad meaning Love.
This collection was originally a commission from the National Eisteddfod of Wales to celebrate 150 years of the modern day Eisteddfod - one of the world’s greatest cultural festivals.


Decorative Concepts: charm bracelet, silver - Mari Thomas Jewellery

Decorative Concepts

This jewellery illustrates elements of Mari’s hand written design notes and drawings using the process of exploring creating and sketching on paper. This design process often includes dismissed ideas however, in this case the first process eventually becomes the final wearable and strikingly beautiful piece in precious metal.
Decorative Concepts: small earrings, silver - Mari Thomas Jewellery


Cofio Cube: 3 drop pendant, silver - Mari Thomas Jewellery

For her

Linear: Silver Ring - Mari Thomas Jewellery

For him

Decorative Concepts Gift Set - Mari Thomas Jewellery

Gift Sets

Looking for the perfect gift?
Our MT gift sets are perfect for all occasions. Designed to be worn together, our gift sets feature some of the most popular items from Mari's collections. All gift sets will be presented in an MT gift box and bag ready for you to gift to that special someone.

Personalise your gift by adding a gift note with your order.

Glissando: Large Pendant in 9ct Rose Gold - Mari Thomas Jewellery


The Royal Harpist Collection
Originally designed & made for Hannah Stone former royal harpist to HRH Prince Charles
Inspired by the musical terminology closely associated with harp playing combined with the beautiful form of the abstracted shape of the harp itself.  Its clean contemporary lines and sparkling frosting of precious metal along with the option of added tiny pave set diamonds into the wave make this an elegant and very individual collection.
Available in silver, 9ct rose gold or 18ct white gold.
  • Page 1 of 2