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

64 products

£
£
Decorative Concepts: Small Silver Pendant
£95.00
£95.00
Gyda'n Gilydd / Together: Silver Linked Charm Pendant
£245.00
£245.00
Cofio / Remember: Silver Pendant - Mari Thomas Jewellery
Cofio / Remember: Silver Pendant
£160.00
£160.00
Bubbles: Silver Pendant - Mari Thomas Jewellery
Bubbles: Silver Pendant
£125.00
£125.00
Decorative Concepts: Silver Drop Pendant
£125.00
£125.00
Linear: Medium Silver Pendant
£125.00
£125.00
Cube: Silver Drop Pendant - Mari Thomas Jewellery
Cube: Silver Drop Pendant
£130.00
£130.00
Cube: Silver 3 Drop Pendant - Mari Thomas Jewellery
Cube: Silver 3 Drop Pendant
£225.00
£225.00
Carved: Rectangle Silver Pendant - Mari Thomas Jewellery
Carved: Rectangle Silver Pendant
£155.00
£155.00
Brushstroke Collection: Small Silver Pendant - Mari Thomas Jewellery
Brushstroke Collection: Small Silver Pendant
£155.00
£155.00
Decorative Concepts: Medium Silver Pendant
£200.00
£200.00
Cube: Silver Single Cube Pendant - Mari Thomas Jewellery
Cube: Silver Single Cube Pendant
£89.00
£89.00
Dathlu / Celebration: Small Silver Pendant - Mari Thomas Jewellery
Dathlu / Celebration: Small Silver Pendant
£170.00
£170.00
Dathlu / Celebration: Long Silver Pendant - Mari Thomas Jewellery
Dathlu / Celebration: Long Silver Pendant
£230.00
£230.00
Carved: Silver Square Pendant - Mari Thomas Jewellery
Carved: Silver Square Pendant
£140.00
£140.00
Linear: Long Silver Pendant
£150.00
£150.00
Carved: Silver Fractured Pendant - Mari Thomas Jewellery
Carved: Silver Fractured Pendant
£145.00
£145.00
Brushstroke Collection: Large Silver Pendant - Mari Thomas Jewellery
Brushstroke Collection: Large Silver Pendant
£265.00
£265.00
Cofio / Remember: Gold and Silver Pendant - Mari Thomas Jewellery
Cofio / Remember: Gold and Silver Pendant
£210.00
£210.00
SOLD OUT
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
Linear: Triple Drop Silver Pendant
£300.00
£300.00
Pink 7.5mm Freshwater Teardrop Pearl Pendant - Mari Thomas Jewellery
Pink 7.5mm freshwater teardrop pearl pendant
£93.00
£93.00
Carved: Black Silver Rectangle Pendant - Mari Thomas Jewellery
Carved: Black Silver Rectangle Pendant
£155.00
£155.00
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
Carreg / Stone: Large Silver Pendant - Mari Thomas Jewellery
Carreg / Stone: Large Silver Pendant
£365.00
£365.00
Bubbles: Pendant, 18ct yellow gold
£1,100.00
£1,100.00
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 Drop Pendant - Mari Thomas Jewellery
Decorative Concepts: Rose Gold Drop Pendant
£225.00
£225.00
White 9mm Freshwater Teardrop Pearl Pendant - Mari Thomas Jewellery
White 9mm freshwater teardrop pearl pendant
£108.00
£108.00
Glissando: Small Silver Circular Pendant
£230.00
£230.00
Dathlu / Celebration: Small Silver Pendant with Diamond
£245.00
£245.00
Glissando: Silver Circular Pendant
from £280.00
from £280.00
Glissando: Small Silver Pendant
£100.00
£100.00
Pages Collection: Silver Statement Neckpiece
£1,950.00
£1,950.00
Pages Collection: Small Silver Pendant
£170.00
£170.00
Last Chance: Atgofion / Memories Small Silver Pendant
£170.00
£170.00
Dathlu / Celebration: Long Silver Pendant - Mari Thomas Jewellery
Last Chance: Atgofion / Memories Long Silver Pendant
£230.00
£230.00
One of a Kind: (No. 14) Bespoke Silver Glissando pendant with Triangular Diamond
£650.00
£650.00
SOLD OUT
One of a Kind: (No 4.) Solitaire Necklace with Round Brilliant Cut Diamond
£895.00
£895.00
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
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
Carved: Black Silver Fractured Pendant - Mari Thomas Jewellery
Carved: Black Silver Fractured Pendant
£145.00
£145.00


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