At Mari Thomas we have distinctive, beautifully designed award-winning jewellery for the woman who wants something unique and different.


Mari has designed and produced award winning collections to suit a vast array of tastes and aesthetics. Whether you are a less is more or a more is more woman.

Unique Jewellery designed for Women

761 products

Mari Thomas Jewellery Carthenni Silhouette: Caernarfon Hatch Design - Silver earrings
£160.00
£160.00
Mari Thomas Jewellery Carthenni Silhouette: Small silver square earrings
£40.00
£40.00
Carthenni / Welsh Weave: Caernarfon Long Silver Bracelet - Mari Thomas Jewellery
Mari Thomas Jewellery Carthenni Silhouette: Caernarfon Long Design - Silver bracelet
£230.00
£230.00
Mari Thomas Jewellery Glissando nell' oro: 9ct Rose Gold Medium Earrings
from £1,190.00
from £1,190.00
Mari Thomas Jewellery Glissando nell' oro: 9ct Rose Gold Medium Pendant
from £1,150.00
from £1,150.00
Mari Thomas Jewellery Glissando: Silver Bangle
£320.00
£320.00
Mari Thomas Jewellery Glissando nell' oro: Small 9ct Rose Gold Pendant
£830.00
£830.00
Mari Thomas Jewellery One of a kind: Golden Bubbles pendant set with 1.50ct diamonds
£11,900.00
£11,900.00
Save 10%
Everyday Earrings Gift Set - Mari Thomas Jewellery
Mari Thomas Jewellery Everyday Earrings Gift Set No 1
£141.00
£141.00
£157.00
Cube: Silver Single Cube Pendant - Mari Thomas Jewellery
Mari Thomas Jewellery Cube: Silver Single Cube Pendant
£95.00
£95.00
Cube: Silver Charm Bracelet - Mari Thomas Jewellery
Mari Thomas Jewellery Cube: Silver Charm Bracelet
£89.00
£89.00
Linear Fine: Long 18ct Gold Earrings - Mari Thomas Jewellery
Mari Thomas Jewellery Linear Fine: Long 18ct Gold Earrings
£1,990.00
£1,990.00
Welsh gold ring inspired by the strata of Welsh slate handcrafted and handmade in 18ct rose red gold
Mari Thomas Jewellery *NEW* Linear Fine: Narrow 18ct Rose Gold Ring
from £870.00
from £870.00
Mari Thomas Jewellery Gyda'n Gilydd / Together: Silver Cufflinks
£195.00
£195.00
Mari Thomas Jewellery Gyda'n Gilydd / Together: Silver Lapel / Tie Pin
£95.00
£95.00
Glissando: Small 18ct White Gold Pendant with diamonds - Mari Thomas Jewellery
Mari Thomas Jewellery Glissando nell' oro: Small 18ct White Gold Pendant with diamonds
£2,300.00
£2,300.00
Glissando: Large 18ct White Gold Pendant with diamonds - Mari Thomas Jewellery
Mari Thomas Jewellery Glissando nell' oro: Large 18ct White Gold Pendant with diamonds
£5,230.00
£5,230.00
Mari Thomas Jewellery Linear: Silver Cufflinks
£175.00
£175.00
Mari Thomas Jewellery Last Chance: Silver Arbennig (Special) Charm Pendant
£165.00
£165.00
Limited Edition: Llawenhau (Rejoice) Earrings - Mari Thomas Jewellery
Mari Thomas Jewellery Last chance: Llawenhau (Rejoice) Earrings
£180.00
£180.00
Mari Thomas Jewellery Gyda'n Gilydd: Silver Linked Charm Bracelet
£260.00
£260.00
Mari Thomas Jewellery Gyda'n Gilydd / Together: Silver Single Charm Pendant
£165.00
£165.00
Mari Thomas Jewellery Decorative Concepts: Silver Lapel / Tie Pin
£95.00
£95.00
Mari Thomas Jewellery Glissando: Small Silver Circular Pendant
from £230.00
from £230.00
A small 18ct white gold circular pendant featuring a musical glissando symbol with diamonds, on a chain.
Mari Thomas Jewellery Glissando nell' oro: Small 18ct White Gold Circular Pendant with diamonds
£5,300.00
£5,300.00
White 9mm Freshwater Teardrop Pearl Pendant - Mari Thomas Jewellery
Mari Thomas Jewellery White 9mm freshwater teardrop pearl pendant
£108.00
£108.00
Round 8mm Pink Pearl Pendant - Mari Thomas Jewellery
Mari Thomas Jewellery Round 8-8.5mm pink pearl pendant
£140.00
£140.00
SOLD OUT
Pink 8mm round freshwater pearl stud earrings - Mari Thomas Jewellery
Mari Thomas Jewellery Pink 8-8.5mm round freshwater pearl stud earrings
£96.00
£96.00
White 8mm round freshwater pearl stud earrings - Mari Thomas Jewellery
Mari Thomas Jewellery White 7-7.5mm round freshwater pearl stud earrings
£77.00
£77.00
Pink 6mm round Freshwater pearl stud earrings - Mari Thomas Jewellery
Mari Thomas Jewellery Pink 6-6.5mm round freshwater pearl stud earrings
£47.00
£47.00
Mari Thomas Jewellery Gyda'n Gilydd / Together: Silver Single Charm Bracelet
£165.00
£165.00
Linear: Small Silver Stud Earrings - Mari Thomas Jewellery
Mari Thomas Jewellery Linear: Small Silver Stud Earrings
£75.00
£75.00
Mari Thomas Jewellery Decorative Concepts: Large Silver Statement Ring
£230.00
£230.00
Mari Thomas Jewellery Cofio / Remember: Silver lapel/tie pin
£110.00
£110.00
Cofio / Remember: Silver Torque Neckpiece - Mari Thomas Jewellery
Mari Thomas Jewellery Cofio / Remember: Silver Torque Neckpiece
£1,100.00
£1,100.00
Linear: Silver Lapel / Tie Pin - Mari Thomas Jewellery
Mari Thomas Jewellery Linear: Silver Lapel / Tie Pin
£80.00
£80.00
Mari Thomas Jewellery Solitaire: Silver Brooch with a Peridot
£790.00
£790.00
Mari Thomas Jewellery Solitaire: Silver Brooch with a Pink Tourmaline
£790.00
£790.00
Carved: One off piece : Sculptured Silver Pendant with Moss Agate - Mari Thomas Jewellery
Mari Thomas Jewellery One of a kind: Carved sculptured silver pendant with moss agate
£400.00
£400.00
One of a kind: Carved arc pendant with moss agate - Mari Thomas Jewellery
Mari Thomas Jewellery One of a kind - Carved arc pendant with moss agate
£595.00
£595.00
SOLD OUT
Mari Thomas Jewellery Memo: Silver Paperclip Earrings
£40.00
£40.00
Memo: Long Silver Paperclip Necklace - Mari Thomas Jewellery
Mari Thomas Jewellery Memo: Long Silver Paperclip Necklace
£460.00
£460.00
Mari Thomas Jewellery Memo: Silver Necklace
£320.00
£320.00
Mari Thomas Jewellery Memo: Long Silver Paperclip Earrings
£65.00
£65.00
Decorative Concepts: Rose Gold Statement Earrings - Mari Thomas Jewellery
Mari Thomas Jewellery Decorative Concepts: Rose Gold Statement Earrings
£490.00
£490.00
Decorative Concepts: Rose Gold Drop Earrings - Mari Thomas Jewellery
Mari Thomas Jewellery Decorative Concepts: Rose Gold Drop Earrings
£190.00
£190.00
Decorative Concepts: Rose Gold Small Earrings - Mari Thomas Jewellery
Mari Thomas Jewellery Decorative Concepts: Rose Gold Small Earrings
£85.00
£85.00
Decorative Concepts: Rose Gold Drop Pendant - Mari Thomas Jewellery
Mari Thomas Jewellery Decorative Concepts: Rose Gold Drop Pendant
£225.00
£225.00
Contemporary Welsh gold and silver jewellery designed and made in Wales. Decorative Concepts: Collection - Rose Gold plated Large stud earrings
Mari Thomas Jewellery Decorative Concepts: Rose Gold Large Earrings
£490.00
£490.00
Decorative Concepts: Rose Gold Large pendant - Mari Thomas Jewellery
Mari Thomas Jewellery Decorative Concepts: Rose Gold Large pendant
£820.00
£820.00

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