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Three Stone Design Tanzanite Gemstone Rings

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Whether you're looking for a dazzling gift for yourself or a loved one, you'll find something truly distinctive in our collection of tanzanite three stone design gemstone rings. Shop from a range of metal options and gemstone shapes.

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All our diamonds are naturally mined and ethically sourced
At Purely Diamonds, we believe in the magic of natural diamonds. Formed over billions of years and found naturally in the ground, these precious gems add to the story of your own diamond journey. We also make sure all our diamonds are conflict-free as the ethical mining and sourcing is very important to us.
A timeless tanzanite & diamond three stone ring in 18ct white gold
PDT567W
A timeless tanzanite & diamond three stone ring in white gold
From: £765 to £1,695
A timeless three stone tanzanite & diamond ring in 18ct white gold
PDT493W
A timeless three stone tanzanite & diamond ring in white gold
From: £886 to £1,798
An elegant tanzanite and diamond ring with shoulder stones in 18ct white gold
PDT568W
An elegant tanzanite and diamond ring with shoulder stones in white gold
From: £1,276 to £1,843
A luxurious tanzanite & diamond ring with shoulder stones in 18ct white gold
PDT404W
A luxurious tanzanite & diamond ring with shoulder stones in white gold
From: £1,369 to £1,490
A stunning tanzanite & diamond three stone ring in 18ct white gold
PDT279W
A stunning tanzanite & diamond three stone ring in white gold
Only: £2,259
A timeless three stone tanzanite and diamond ring in 18ct white gold
PDT713W
A timeless three stone tanzanite and diamond ring in white gold
From: £1,548 to £1,591
A delightful tanzanite & diamond three stone ring in 18ct white gold
PDT523W
A delightful tanzanite & diamond three stone ring in white gold
From: £1,285 to £2,013
A classic tanzanite & diamond three stone ring in 18ct white gold
PDT528W
A classic tanzanite & diamond three stone ring in white gold
From: £1,639 to £1,734
A classic three stone gemstone & diamond ring in 18ct white gold
PDT440W
A classic three stone gemstone & diamond ring in white gold
Only: £2,478
A stunning three stone tanzanite & diamond ring in 18ct white gold
PDT492W
A stunning three stone tanzanite & diamond ring in white gold
From: £1,149 to £1,700
A stunning Tanzanite & diamond ring in 18ct white gold
PDT714W
A stunning Tanzanite & diamond ring in white gold
Only: £1,716

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20 Trees Planted With Every Order
We have partnered with Trees For The Future to do our part in looking after our planet and planning for the future. For every order received, we'll ensure there are 20 trees planted with the mission to recreate forests and decrease CO2 in our atmosphere.
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  • Proud Member Of

  • We are a member of the National Association of Jewellers
  • We are a Goldsmiths Company member
  • Assay Assured

  • Proud Supplier Of

  • We supply certified GIA diamonds We only deal in conflict-free diamonds
  • We supply certified IGI diamonds We are a partner of Trees For The Future

Purely Diamonds is a trading name of Stephen Tyler Limited. Registered Company Number (Incorporated in England): 01840310. VAT Number: 466237727 (GB)