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.

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179 products

Mari Thomas Jewellery Decorative Concepts: Small Silver Earrings
$56.00
$56.00
Mari Thomas Jewellery Decorative Concepts: Small Silver Pendant
$157.00
$157.00
Mari Thomas Jewellery Bubbles: Small Silver Earrings
$86.00
$86.00
Mari Thomas Jewellery Gyda'n Gilydd / Together: Silver Linked Charm Pendant
$332.00
$332.00
Cofio / Remember: Silver Pendant - Mari Thomas Jewellery
Mari Thomas Jewellery Cofio / Remember: Silver Pendant
$275.00
$275.00
Mari Thomas Jewellery Bubbles: Silver Pendant
$212.00
$212.00
Mari Thomas Jewellery Cube: Silver Stud Earrings
$126.00
$126.00
Mari Thomas Jewellery Decorative Concepts: Silver Drop Pendant
from $191.00
from $191.00
Cube: Silver 1 cube bangle - Mari Thomas Jewellery
Mari Thomas Jewellery Cube: Silver 1 cube bangle
$212.00
$212.00
SOLD OUT
Decorative Concepts: Silver Drop Earrings - Mari Thomas Jewellery
Mari Thomas Jewellery Decorative Concepts: Silver Drop Earrings
$178.00
$178.00
Mari Thomas Jewellery Bubbles: Silver Earrings
$178.00
$178.00
Dathlu / Celebration: Silver Charm Bracelet - Mari Thomas Jewellery
Mari Thomas Jewellery Dathlu / Celebration: Silver Charm Bracelet
$223.00
$223.00
Mari Thomas Jewellery Linear: Medium Silver Pendant
$178.00
$178.00
Mari Thomas Jewellery Decorative Concepts: Silver Charm Bracelet
$155.00
$155.00
Mari Thomas Jewellery Decorative Concepts: Large Silver Earrings
$106.00
$106.00
Cube: Silver Drop Pendant - Mari Thomas Jewellery
Mari Thomas Jewellery Cube: Silver Drop Pendant
$189.00
$189.00
Mari Thomas Jewellery Linear: Silver Ring
$166.00
$166.00
Cube: Plain Silver Bangle - Mari Thomas Jewellery
Mari Thomas Jewellery Cube: Single Plain Silver Bangle
$109.00
$109.00
Cube: Silver Single Cube Pendant - Mari Thomas Jewellery
Mari Thomas Jewellery Cube: Silver Single Cube Pendant
$132.00
$132.00
Contemporary Welsh silver jewellery. Inspired by the beautiful mountains and landscape of Wales. This textured rectangular pendant is designed and handmade in Wales
Mari Thomas Jewellery Carved: Rectangle Silver Pendant
$280.00
$280.00
Linear lined women's Silver Bangle - handmade unique Jewellery from Mari Thomas
Mari Thomas Jewellery Linear: Silver Bangle
$423.00
$423.00
Mari Thomas Jewellery Brushstroke Collection: Small Silver Pendant
$223.00
$223.00
Mari Thomas Jewellery Decorative Concepts: Medium Silver Pendant
$372.00
$372.00
Linear: Small Silver Stud Earrings - Mari Thomas Jewellery
Mari Thomas Jewellery Linear: Small Silver Stud Earrings
$92.00
$92.00
Cofio / Remember: Silver Ring - Mari Thomas Jewellery
Mari Thomas Jewellery Cofio / Remember: Silver Ring
from $263.00
from $263.00
SOLD OUT
Cube: Short Arc Drop Silver Earrings - Mari Thomas Jewellery
Mari Thomas Jewellery Cube: Short Arc Drop Silver Earrings
$189.00
$189.00
Dathlu / Celebration: Small Silver Pendant - Mari Thomas Jewellery
Mari Thomas Jewellery Dathlu / Celebration: Small Silver Pendant
$223.00
$223.00
Mari Thomas Jewellery Gyda'n Gilydd / Together: Silver Triple Drop Pendant
$412.00
$412.00
Cofio / Remember: Silver Bangle - Mari Thomas Jewellery
Mari Thomas Jewellery Cofio / Remember: Silver Bangle
$538.00
$538.00
Cube: Silver 3 Cube Bangle - Mari Thomas Jewellery
Mari Thomas Jewellery Cube: Silver 3 Cube Bangle
$343.00
$343.00
Cube: Silver Charm Bracelet - Mari Thomas Jewellery
Mari Thomas Jewellery Cube: Silver Charm Bracelet
$132.00
$132.00
Cube: Silver 3 Drop Pendant - Mari Thomas Jewellery
Mari Thomas Jewellery Cube: Silver 3 Drop Pendant
$320.00
$320.00
Contemporary Welsh silver jewellery. Inspired by the beautiful landscape of Wales. This small textured pendant is designed and handmade in Wales
Mari Thomas Jewellery Carved: Silver Square Pendant
$240.00
$240.00
Decorative Concepts: Rose Gold Small Earrings - Mari Thomas Jewellery
Mari Thomas Jewellery Decorative Concepts: Rose Gold Small Earrings
$102.00
$102.00
Dathlu / Celebration: Long Silver Pendant - Mari Thomas Jewellery
Mari Thomas Jewellery Dathlu / Celebration: Long Silver Pendant
$286.00
$286.00
Contemporary Welsh silver jewellery. Inspired by the beautiful landscape of Wales. This sculptured ring is designed and handmade in Wale
Mari Thomas Jewellery Carved: Sculptured Silver Ring
from $298.00
from $298.00
Mari Thomas Jewellery *NEW* Bubbles: Silver Curved Pendant
$223.00
$223.00
Mari Thomas Jewellery Bubbles silver bracelet
$206.00
$206.00
Mari Thomas Jewellery Gyda'n Gilydd / Together: Silver Circle Earrings
$218.00
$218.00
Contemporary Welsh silver jewellery. Inspired by the beautiful landscape of Wales. This textured pendant is designed and handmade in Wales
Mari Thomas Jewellery Carved: Silver Fractured Pendant
$258.00
$258.00
Cube: Silver Ring - Mari Thomas Jewellery
Mari Thomas Jewellery Cube: Silver Ring
$126.00
$126.00
Brushstroke Collection Curved Earrings. Clustdlysau Arian.
Mari Thomas Jewellery Brushstroke Collection: Curved Earrings
$155.00
$155.00
Contemporary Welsh silver jewellery. Inspired by the beautiful landscape of Wales. These small textured square stud earrings are designed and handmade in Wales
Mari Thomas Jewellery *NEW* Carved: Small square silver stud earrings
$106.00
$106.00
SOLD OUT
White 9mm Freshwater Teardrop Pearl Pendant - Mari Thomas Jewellery
Mari Thomas Jewellery White 9mm freshwater teardrop pearl pendant
$128.00
$128.00
Mari Thomas Jewellery Linear: Long Silver Pendant
$206.00
$206.00
Contemporary Welsh silver jewellery. Inspired by the beautiful landscape of Wales. This ring is perfect for a wedding ring both for men and women. Designed and handmade in Wales
Mari Thomas Jewellery *NEW* Carved: Narrow Silver Ring
from $138.00
from $138.00
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.
Mari Thomas Jewellery Cofio / Remember: Gold and Silver Pendant
$332.00
$332.00
Round 8mm Pink Pearl Pendant - Mari Thomas Jewellery
Mari Thomas Jewellery Round 8-8.5mm pink pearl pendant
$172.00
$172.00
Mari Thomas Jewellery Dathlu / Celebration: Short Drop Silver Earrings
$240.00
$240.00
Mari Thomas Jewellery Linear: Medium Silver Earrings
$166.00
$166.00


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