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

204 products

£
£
Decorative Concepts: Rose Gold Drop Pendant - Mari Thomas Jewellery
Decorative Concepts: Rose Gold Drop Pendant
£225.00
£225.00
Memo: Long Silver Paperclip Earrings
£65.00
£65.00
Memo: Long Silver Paperclip Necklace - Mari Thomas Jewellery
Memo: Long Silver Paperclip Necklace
£460.00
£460.00
Decorative Concepts: Large Silver Statement Ring
£230.00
£230.00
Glissando: Small Silver Circular Pendant
£230.00
£230.00
Dathlu / Celebration: Small Silver Pendant with Diamond
£245.00
£245.00
Dathlu / Celebration: Long Silver Pendant with Diamonds
£455.00
£455.00
Glissando: Silver Circular Pendant
from £280.00
from £280.00
Dathlu / Celebration: Long Drop Silver Earrings - Mari Thomas Jewellery
Dathlu / Celebration: Long Drop Silver Earrings
£300.00
£300.00
Dathlu / Celebration: Silver Lapel / Tie Pin
£98.00
£98.00
Dathlu / Celebration: Silver Linked Necklace - Mari Thomas Jewellery
Dathlu / Celebration: Silver Linked Necklace
from £1,100.00
from £1,100.00
Carved: Square Silver Cufflinks - Mari Thomas Jewellery
Carved: Square Silver Cufflinks
£160.00
£160.00
£155.00
Carved: Long Silver Ring - Mari Thomas Jewellery
Carved: Long Silver Ring
£235.00
£235.00
£0.00
Bubbles: 18ct Gold Small Earrings - Mari Thomas Jewellery
Bubbles: 18ct Gold Small Earrings
£390.00
£390.00
Bubbles: Silver Pin / Brooch - Mari Thomas Jewellery
Bubbles: Silver Pin / Brooch
£75.00
£75.00
Bubbles: Silver Bangle - Mari Thomas Jewellery
Bubbles: Silver Bangle
£1,300.00
£1,300.00
Bubbles: Medium Top Silver Statement Ring - Mari Thomas Jewellery
Bubbles: Medium Top Silver Statement Ring
£345.00
£345.00
Pages Collection: Silver Statement Neckpiece
£1,950.00
£1,950.00
Pages Collection: Small Silver Pendant
£170.00
£170.00
Last Chance: Atgofion / Memories Silver Lapel / Tie Pin
£98.00
£98.00
Last Chance: Atgofion / Memories Short Silver Earrings
£190.00
£190.00
Last Chance: Atgofion / Memories Long Silver Pendant with Diamonds
£455.00
£455.00
Dathlu / Celebration: Long Silver Pendant - Mari Thomas Jewellery
Last Chance: Atgofion / Memories Long Silver Pendant
£230.00
£230.00
Dathlu / Celebration: Long Drop Silver Earrings - Mari Thomas Jewellery
Last Chance: Atgofion / Memories Long Silver Earrings
£300.00
£300.00
One of a Kind: (No. 14) Bespoke Silver Glissando pendant with Triangular Diamond
£650.00
£650.00
Glissando: Small 9ct Rose Gold Pendant with diamonds - Mari Thomas Jewellery
Glissando: Small 9ct Rose Gold Pendant with diamonds
£525.00
£525.00
Glissando: Large 9ct Rose Gold Pendant with Diamonds - Mari Thomas Jewellery
Glissando: Large 9ct Rose Gold Pendant with Diamonds
£1,340.00
£1,340.00
Carved: Black Silver Fractured Bangle - Mari Thomas Jewellery
Carved: Black Silver Fractured Bangle
£655.00
£655.00
Carved: Square lapel pin - Black silver - Mari Thomas Jewellery
Carved: Square lapel pin - Black silver
£80.00
£80.00
Carved: Rectangular Black Silver Lapel / Tie pin - Mari Thomas Jewellery
Carved: Rectangular Black Silver Lapel / Tie pin
£85.00
£85.00
£0.00
Cube: Black Silver Ring - Mari Thomas Jewellery
Cube: Black Silver Ring
£80.00
£80.00
Cube: Black Silver 3 Cube Stacker Bangle - Mari Thomas Jewellery
Cube: Black Silver 3 Cube Stacker Bangle
£300.00
£300.00
Cube: Black Silver 3 Cube Bangle - Mari Thomas Jewellery
Cube: Black Silver 3 Cube Bangle
£195.00
£195.00
Cube: 1 Cube Black SIlver Stacker Bangle - Mari Thomas Jewellery
Cube: Single Cube Black Silver Stacker Bangle
£235.00
£235.00
Carved: Long Black Silver Ring - Mari Thomas Jewellery
Carved: Long Black Silver Ring
£235.00
£235.00
£0.00
Carved: Square Black Silver Earrings - Mari Thomas Jewellery
Carved: Square Black Silver Earrings
£135.00
£135.00
Carved: Black Silver Rectangle Earrings - Mari Thomas Jewellery
Carved: Black Silver Rectangle Earrings
£195.00
£195.00
Carved: Black Silver Fractured Earrings - Mari Thomas Jewellery
Carved: Black Silver Fractured Earrings
£165.00
£165.00
Carved: Rectangular Black Silver Cufflinks - Mari Thomas Jewellery
Carved: Rectangular Black Silver Cufflinks
£175.00
£175.00
Cofio / Remember: Lapel Pin - Yellow gold and silver - Mari Thomas Jewellery
Cofio / Remember: Lapel Pin - Yellow gold and silver
£150.00
£150.00
£136.00
Cofio / Remember: Lapel Pin - Black silver
£110.00
£110.00
£110.00
Cofio / Remember: Black Silver Ring - Mari Thomas Jewellery
Cofio / Remember: Black Silver Ring
£230.00
£230.00
£210.00
Cofio / Remember: Long Gold and Silver Earrings - Mari Thomas Jewellery
Cofio / Remember: Long Gold and Silver Earrings
£310.00
£310.00
Cofio / Remember: Black Silver Cufflinks - Mari Thomas Jewellery
Cofio / Remember: Black Silver Cufflinks
£230.00
£230.00
£230.00
Cofio / Remember: Yellow Gold and Silver Cufflinks
£330.00
£330.00
£230.00
Cube: Black Silver Stud Earrings
£85.00
£85.00
Cofio / Remember: Gold and Silver Torque Neckpiece
£1,400.00
£1,400.00
Cube: Black Silver Drop Pendant - Mari Thomas Jewellery
Cube: Black Silver Drop Pendant
£130.00
£130.00
Cube: Black Silver 3 Drop Pendant - Mari Thomas Jewellery
Cube: Black Silver 3 Drop Pendant
£225.00
£225.00
Carved: Black Silver Square Pendant - Mari Thomas Jewellery
Carved: Black Silver Square Pendant
£140.00
£140.00


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