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

209 products

£
£
Round 8mm Pink Pearl Pendant - Mari Thomas Jewellery
Round 8-8.5mm pink pearl pendant
£140.00
£140.00
Carreg / Stone: Small Silver Pendant - Mari Thomas Jewellery
Carreg / Stone: Small Silver Pendant
£155.00
£155.00
Carved: Rectangular Silver Cufflinks - Mari Thomas Jewellery
Carved: Rectangular Silver Cufflinks
£175.00
£175.00
Cube: Silver Long Arc Earrings - Mari Thomas Jewellery
Cube: Silver Long Arc Earrings
£145.00
£145.00
Cube: Silver 3 Cube, Stacker Bangle - Mari Thomas Jewellery
Cube: Silver 3 Cube, Stacker Bangle
£300.00
£300.00
Cofio / Remember: Long Silver Earrings - Mari Thomas Jewellery
Cofio / Remember: Long Silver Earrings
£220.00
£220.00
Bubbles silver bracelet - Mari Thomas Jewellery
Bubbles silver bracelet
£125.00
£125.00
Memo: Silver Paperclip Earrings
£40.00
£40.00
Cube: 1 Cube Silver Stacker Bangle - Mari Thomas Jewellery
Cube: Single Cube Silver Stacker Bangle
£235.00
£235.00
Decorative Concepts: Small Top Silver Ring - Mari Thomas Jewellery
Decorative Concepts: Small Top Silver Ring
£85.00
£85.00
Carved: Square Silver Earrings - Mari Thomas Jewellery
Carved: Square Silver Earrings
£135.00
£135.00
Cube: Yellow Gold Stud Earrings
£110.00
£110.00
Memo: Silver Necklace
£320.00
£320.00
Pink 6mm round Freshwater pearl stud earrings - Mari Thomas Jewellery
Pink 6-6.5mm round freshwater pearl stud earrings
£47.00
£47.00
Linear: Triple Drop Silver Pendant
£300.00
£300.00
Carreg / Stone: Silver Ring - Mari Thomas Jewellery
Carreg / Stone: Silver Ring
£90.00
£90.00
Decorative Concepts: Medium Top Silver Ring - Mari Thomas Jewellery
Decorative Concepts: Medium Top Silver Ring
£95.00
£95.00
Carved: Silver Rectangle earrings - Mari Thomas Jewellery
Carved: Silver Rectangle earrings
£195.00
£195.00
Brushstroke: Silver Earrings - Mari Thomas Jewellery
Brushstroke: Silver Earrings
£240.00
£240.00
Pink 7.5mm Freshwater Teardrop Pearl Pendant - Mari Thomas Jewellery
Pink 7.5mm freshwater teardrop pearl pendant
£93.00
£93.00
Cube: Black Silver 1 Cube Bangle - Mari Thomas Jewellery
Cube: Black Silver 1 Cube Bangle
£125.00
£125.00
Cofio / Remember: Gold and Silver Ring - Mari Thomas Jewellery
Cofio / Remember: Gold and Silver Ring
£330.00
£330.00
Carved: Black Silver Rectangle Pendant - Mari Thomas Jewellery
Carved: Black Silver Rectangle Pendant
£155.00
£155.00
Decorative Concepts: Small Black Silver Earrings - Mari Thomas Jewellery
Decorative Concepts: Small Black Silver Earrings
£45.00
£45.00
Decorative Concepts: Rose Gold Small Earrings - Mari Thomas Jewellery
Decorative Concepts: Rose Gold Small Earrings
£85.00
£85.00
Decorative Concepts: Rose Gold Drop Earrings - Mari Thomas Jewellery
Decorative Concepts: Rose Gold Drop Earrings
£190.00
£190.00
Pink 8mm round freshwater pearl stud earrings - Mari Thomas Jewellery
Pink 8-8.5mm round freshwater pearl stud earrings
£96.00
£96.00
White 9mm Freshwater Teardrop Pearl Pendant - Mari Thomas Jewellery
White 9mm freshwater teardrop pearl pendant
£108.00
£108.00
Dathlu / Celebration: Round Silver Pendant - Mari Thomas Jewellery
Dathlu / Celebration: Round Silver Pendant
from £455.00
from £455.00
Glissando: Medium Silver Pendant
£130.00
£130.00
Dathlu / Celebration: Silver Cufflinks - Mari Thomas Jewellery
Dathlu / Celebration: Silver Cufflinks
£220.00
£220.00
Carreg / Stone: Large Silver Pendant - Mari Thomas Jewellery
Carreg / Stone: Large Silver Pendant
£365.00
£365.00
Silver bracelet with chain inspired by brushstrokes
Brushstroke Collection: Silver Bracelet
£155.00
£155.00
Bubbles: Pendant, 18ct yellow gold
£1,100.00
£1,100.00
Bubbles: Silver Cufflinks - Mari Thomas Jewellery
Bubbles: Silver Cufflinks
£155.00
£155.00
Pages Collection: Large Silver Pendant
£200.00
£200.00
Pages Collection - Silver Stud Earrings
£110.00
£110.00
Cube: Black Silver Stacker Ring - Mari Thomas Jewellery
Cube: Black Silver Stacker Ring
£140.00
£140.00
Cube: Short Arc Earrings - Black silver - Mari Thomas Jewellery
Cube: Short Arc Earrings - Black silver
£130.00
£130.00
SOLD OUT
Cube: Black Silver Long Arc Drop Earrings - Mari Thomas Jewellery
Cube: Black Silver Long Arc Drop Earrings
£145.00
£145.00
Carved: Sculptured Black Silver Ring - Mari Thomas Jewellery
Carved: Sculptured Black Silver Ring
£235.00
£235.00
Cofio / Remember: Long Black Silver Earrings - Mari Thomas Jewellery
Cofio / Remember: Long Black Silver Earrings
£220.00
£220.00
Cofio / Remember: Yellow Gold and Silver Bangle - Mari Thomas Jewellery
Cofio / Remember: Yellow Gold and Silver Bangle
£550.00
£550.00
Cofio / Remember: Black Silver Bangle - Mari Thomas Jewellery
Cofio / Remember: Black Silver Bangle
£445.00
£445.00
Cofio / Remember: Black Silver Pendant - Mari Thomas Jewellery
Cofio / Remember: Black Silver Pendant
£160.00
£160.00
Decorative Concepts: Small Pendant- Black silver - Mari Thomas Jewellery
Decorative Concepts: Small Pendant- Black silver
£95.00
£95.00
Decorative Concepts: Rose Gold Small Pendant - Mari Thomas Jewellery
Decorative Concepts: Rose Gold Small Pendant
£175.00
£175.00
Decorative Concepts: Rose gold medium pendant - Mari Thomas Jewellery
Decorative Concepts: Rose gold medium pendant
£320.00
£320.00
Decorative Concepts: Rose Gold Large Earrings - Mari Thomas Jewellery
Decorative Concepts: Rose Gold Large Earrings
£120.00
£120.00
Decorative Concepts: Rose Gold Drop Pendant - Mari Thomas Jewellery
Decorative Concepts: Rose Gold Drop Pendant
£225.00
£225.00


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