Whether you are gifting yourself because you are simply worth it, or are choosing something to bestow on a special friend, partner or valued colleague, we can help you choose something truly memorable from Mari's own collections or the selected Guest artists from her Gallery.


What better way to to mark or celebrate a special friendship or to commemorate a special event than with a sublime piece of jewellery.


We have a range of stunning pieces in precious metals and precious or semi precious gems, in beautifully crafted settings. They will become the heirlooms for generations to come.

With sums from £1000 upward, the sky's the limit, with beauty unlimited.

£1000+

64 products

£
£
Mari Thomas Jewellery Golden Bubbles: Pendant, 18ct yellow gold
£2,720.00
£2,720.00
SOLD OUT
Mari Thomas Jewellery One of a Kind: (No 15.) Bespoke Silver and Diamond Slice Pendant
£1,550.00
£1,550.00
Bubbles: Silver Bangle - Mari Thomas Jewellery
Mari Thomas Jewellery Bubbles: Silver Bangle
£1,300.00
£1,300.00
Cofio / Remember: Silver Torque Neckpiece - Mari Thomas Jewellery
Mari Thomas Jewellery Cofio / Remember: Silver Torque Neckpiece
£1,100.00
£1,100.00
Mari Thomas Gallery XXL black silver ammonite on driftwood with fishing tackle box by Suzie Horan
£1,450.00
£1,450.00
Mari Thomas Gallery 2 silver ammonite bowls on driftwood by Suzie Horan
£1,650.00
£1,650.00
Mari Thomas Gallery Whaletail black silver dish by Suzie Horan
£1,500.00
£1,500.00
Mari Thomas Gallery Silver workbench by Katy Tromans
£2,360.00
£2,360.00
Mari Thomas Gallery Jonah and the whale full set - silver ring and stand by Katy Tromans
£1,315.00
£1,315.00
Mari Thomas Gallery Rapunzel - ring and tower full set by Katy Tromans
£2,560.00
£2,560.00
Mari Thomas Jewellery Opulence Rings: 18ct Rose Gold Morganite & Moissanite
£2,250.00
£2,250.00
Contemporary Welsh gold jewellery designed and made in Wales and inspired by the Welsh landscape. The identity style bracelet is handcarved in 18ct yellow gold
Mari Thomas Jewellery *New* Carved Fine: 18ct Gold Bracelet
£1,830.00
£1,830.00
Contemporary Welsh gold jewellery designed and made in Wales and inspired by the Welsh landscape. The necklace is handcrafted in 18ct yellow gold
Mari Thomas Jewellery *New* Carved fine: 18ct gold pendant
£1,795.00
£1,795.00
Contemporary Welsh gold jewellery designed and made in Wales and inspired by the Welsh landscape. This ring suitable for men or women is handcrafted in solid 18ct yellow gold
Mari Thomas Jewellery *New* Carved Fine: 18ct gold ring
from £1,290.00
from £1,290.00
Contemporary Welsh gold jewellery designed and made in Wales and inspired by the Welsh landscape. The stud earrings are handcrafted in solid 18ct yellow gold
Mari Thomas Jewellery *New* Carved Fine: 18ct gold rectangle earrings
£1,100.00
£1,100.00
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 One of a kind: Golden Bubbles pendant set with 1.50ct diamonds
£11,900.00
£11,900.00
Mari Thomas Jewellery Solitaire: 18ct Gold Ring with Emerald
£4,300.00
£4,300.00
Mari Thomas Jewellery Solitaire: 18ct White Gold Ring with Pink Sapphire
£4,500.00
£4,500.00
Mari Thomas Jewellery Solitaire: 18ct White Gold Ring with Tanzanite
£4,500.00
£4,500.00
Mari Thomas Jewellery Golden Bubbles: 18ct Gold Bracelet
£2,720.00
£2,720.00
Bubbles: 18ct Gold Earrings - Mari Thomas Jewellery
Mari Thomas Jewellery Golden Bubbles: 18ct Gold Earrings
£2,240.00
£2,240.00
Mari Thomas Jewellery Golden Bubbles: 18ct Gold Cufflinks
£2,340.00
£2,340.00
Mari Thomas Gallery 18ct gold & Tahitian pearl pendant by Charmian Ottaway
£1,260.00
£1,260.00
Mari Thomas Gallery 18ct gold & Tahitian pearl drop earrings by Charmian Ottaway
£1,385.00
£1,385.00
Mari Thomas Jewellery Mari Thomas Black Silver Fragile Form Sculpture
£12,000.00
£12,000.00
Mari Thomas Jewellery Mari Thomas Gold Fragile Form Sculpture
£14,000.00
£14,000.00
Mari Thomas Jewellery Fragile Form: 18ct gold, silver and black ruthenium pendant
£8,500.00
£8,500.00
Mari Thomas Jewellery Mari Thomas 18ct gold pendant
£13,000.00
£13,000.00
Mari Thomas Jewellery Fragile Form: 18ct gold, silver and black ruthenium brooch
£7,500.00
£7,500.00
Mari Thomas Jewellery Mari Thomas 18ct gold brooch
£12,000.00
£12,000.00
Mari Thomas Gallery Rutile quartz & zircon black silver pendant by Chris Boland
£1,110.00
£1,110.00
Mari Thomas Gallery Camur light-weight necklace with purple sapphire & grey rose cut diamond black silver & 18ct gold by Emily Thatcher
£1,710.00
£1,710.00
Mari Thomas Gallery Camur medium-weight silver necklace with grey moonstone & rose cut salt & pepper diamond by Emily Thatcher
£1,760.00
£1,760.00
Mari Thomas Gallery Camur heavy-weight necklace with aquamarine & mandarin garnet silver & 18ct gold by Emily Thatcher
£1,910.00
£1,910.00
Mari Thomas Gallery Turgor clasp heavy-weight black silver chain by Emily Thatcher
£1,410.00
£1,410.00
Mari Thomas Gallery Chunky silver ring with pink tourmalines by Charmian Ottaway
£1,495.00
£1,495.00
Mari Thomas Gallery Platinum solitaire princess cut diamond ring by Duncan Eves
£1,650.00
£1,650.00
Mari Thomas Gallery 18ct white gold ring with marquise sapphire and diamonds by Duncan Eves
£1,500.00
£1,500.00
Mari Thomas Gallery Platinum ring with green tourmaline and diamonds by Duncan Eves
£1,950.00
£1,950.00
Mari Thomas Gallery 18ct rose gold full diamond eternity ring by Duncan Eves
£1,850.00
£1,850.00
Mari Thomas Gallery Platinum full eternity ring with diamonds by Duncan Eves
£2,400.00
£2,400.00
Mari Thomas Gallery 18ct white gold ring with princess cut diamonds by Duncan Eves
£1,900.00
£1,900.00
Mari Thomas Gallery 18ct white gold full eternity ring with diamonds by Duncan Eves
£1,100.00
£1,100.00
Mari Thomas Gallery Platinum ring with 5 diamonds by Duncan Eves
£1,400.00
£1,400.00
Mari Thomas Gallery Platinum ring with 3 baguette diamonds by Duncan Eves
£1,350.00
£1,350.00
Mari Thomas Gallery Platinum full eternity diamond ring by Duncan Eves
£1,100.00
£1,100.00
Mari Thomas Gallery 18ct gold 3 stone diamond ring by Duncan Eves
£1,650.00
£1,650.00
Mari Thomas Gallery 18ct white gold ring with tanzanite and diamonds by Duncan Eves
£1,200.00
£1,200.00
Mari Thomas Gallery 18ct white gold ring with yellow diamond and diamonds by Duncan Eves
£8,450.00
£8,450.00
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