With every order you make from our web site, you help us plant a tree!

We decided to partner with ECOLOGI as a way for us to play a role in helping to revive and restore our planet. Through projects supporting tree planting to community restoration, each purchase you make on line from Mari Thomas sends a percentage of the sale automatically and directly to these projects.  

Ecologi are aligned with our values and are a fantastic gold standard, B - Corp organisation who are authentic and transparent – with their range of projects supported through their organisation being easily accessible. 

See how many trees you have helped us plant so far! Thank you 

For a list of all the other projects we support clink on this link and scroll down.

Support our charities

220 products

£
£
Decorative Concepts: Small Silver Earrings
£45.00
£45.00
Decorative Concepts: Small Silver Pendant
£95.00
£95.00
Bubbles: Small Silver Earrings
£52.00
£52.00
Gyda'n Gilydd / Together: Silver Linked Charm Pendant
£255.00
£255.00
Cofio / Remember: Silver Pendant - Mari Thomas Jewellery
Cofio / Remember: Silver Pendant
£160.00
£160.00
Bubbles: Silver Pendant
£135.00
£135.00
Cube: Silver Stud Earrings
£85.00
£85.00
Decorative Concepts: Silver Drop Pendant
£125.00
£125.00
Cube: Silver 1 cube bangle - Mari Thomas Jewellery
Cube: Silver 1 cube bangle
£125.00
£125.00
Bubbles: Silver Earrings
£130.00
£130.00
Decorative Concepts: Silver Drop Earrings - Mari Thomas Jewellery
Decorative Concepts: Silver Drop Earrings
£135.00
£135.00
Linear: Medium Silver Pendant
£125.00
£125.00
Cube: Plain Silver Bangle - Mari Thomas Jewellery
Cube: Single Plain Silver Bangle
£60.00
£60.00
Decorative Concepts: Silver Charm Bracelet
£95.00
£95.00
Cube: Silver Drop Pendant - Mari Thomas Jewellery
Cube: Silver Drop Pendant
£130.00
£130.00
Decorative Concepts: Large Silver Earrings
£75.00
£75.00
SOLD OUT
Contemporary Welsh silver jewellery. Inspired by the beautiful mountains and landscape of Wales. This textured rectangular pendant is designed and handmade in Wales
Carved: Rectangle Silver Pendant
£155.00
£155.00
Linear lined women's Silver Bangle - handmade unique Jewellery from Mari Thomas
Linear: Silver Bangle
£250.00
£250.00
Linear: Silver Ring
£130.00
£130.00
Cofio / Remember: Silver Ring - Mari Thomas Jewellery
Cofio / Remember: Silver Ring
£230.00
£230.00
Cube: Silver Single Cube Pendant - Mari Thomas Jewellery
Cube: Silver Single Cube Pendant
£89.00
£89.00
Cube: Short Arc Drop Silver Earrings - Mari Thomas Jewellery
Cube: Short Arc Drop Silver Earrings
£130.00
£130.00
Brushstroke Collection: Small Silver Pendant - Mari Thomas Jewellery
Brushstroke Collection: Small Silver Pendant
£155.00
£155.00
Dathlu / Celebration: Small Silver Pendant - Mari Thomas Jewellery
Dathlu / Celebration: Small Silver Pendant
£175.00
£175.00
Cube: Silver 3 Drop Pendant - Mari Thomas Jewellery
Cube: Silver 3 Drop Pendant
£280.00
£280.00
Cube: Silver 3 Cube Bangle - Mari Thomas Jewellery
Cube: Silver 3 Cube Bangle
£195.00
£195.00
Carreg / Stone: Silver Bangle - Mari Thomas Jewellery
Carreg / Stone: Silver Bangle
£245.00
£245.00
Gyda'n Gilydd / Together: Silver Triple Drop Pendant
£325.00
£325.00
Decorative Concepts: Medium Silver Pendant
£200.00
£200.00
Linear: Small Silver Stud Earrings - Mari Thomas Jewellery
Linear: Small Silver Stud Earrings
£65.00
£65.00
Contemporary Welsh silver jewellery. Inspired by the beautiful landscape of Wales. This small textured pendant is designed and handmade in Wales
Carved: Silver Square Pendant
£140.00
£140.00
Cube: Silver Charm Bracelet - Mari Thomas Jewellery
Cube: Silver Charm Bracelet
£89.00
£89.00
Save 10%
Llawenhau / Rejoice: Gift Set
£204.00
£204.00
£227.00
Dathlu / Celebration: Long Silver Pendant - Mari Thomas Jewellery
Dathlu / Celebration: Long Silver Pendant
£235.00
£235.00
Cofio / Remember: Silver Bangle - Mari Thomas Jewellery
Cofio / Remember: Silver Bangle
£445.00
£445.00
Save 10%
Everyday Earrings Gift Set - Mari Thomas Jewellery
Everyday Earrings Gift Set No 1
£130.50
£130.50
£145.00
Contemporary Welsh silver jewellery. Inspired by the beautiful landscape of Wales. This sculptured ring is designed and handmade in Wale
Carved: Sculptured Silver Ring
£235.00
£235.00
Cube: Silver Stacker Ring - Mari Thomas Jewellery
Cube: Silver Stacker Ring
£140.00
£140.00
Cube: Silver Ring - Mari Thomas Jewellery
Cube: Silver Ring
£80.00
£80.00
Gyda'n Gilydd / Together: Silver Circle Earrings
£190.00
£190.00
Carreg / Stone: Silver Earrings - Mari Thomas Jewellery
Carreg / Stone: Silver Earrings
£95.00
£95.00
Contemporary Welsh silver jewellery. Inspired by the beautiful landscape of Wales. This textured pendant is designed and handmade in Wales
Carved: Silver Fractured Pendant
£145.00
£145.00
Brushstroke Collection Curved Earrings. Clustdlysau Arian.
Brushstroke Collection: Curved Earrings
£135.00
£135.00
Contemporary Welsh gold and silver jewellery designed and made in Wales and inspired by the Welsh landscape. This pendant is inspired by the Welsh poem Cofio meaning remember by Waldo Williams handcrafted in solid silver with 22ct gold plating.
Cofio / Remember: Gold and Silver Pendant
£225.00
£225.00
Dathlu / Celebration: Short Drop Silver Earrings
£190.00
£190.00
Linear: Long Silver Pendant
£150.00
£150.00
Linear: Medium Silver Earrings
£120.00
£120.00
Cofio / Remember: Silver Cufflinks - Mari Thomas Jewellery
Cofio / Remember: Silver Cufflinks
£230.00
£230.00
£230.00
SOLD OUT
Last Chance: Atgofion / Memories Small Silver Pendant
£175.00
£175.00
Pink 6mm round Freshwater pearl stud earrings - Mari Thomas Jewellery
Pink 6-6.5mm round freshwater pearl stud earrings
£47.00
£47.00


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