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Platinum Three Stone Design Tanzanite Gemstone Rings

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A wonderful declaration of love is the combination of a stunning gemstone with diamonds. Our collection of platinum tanzanite three stone design gemstone rings allows you to showcase your devotion in a stunning piece of jewellery.

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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 platinum
PDT567PL
A timeless tanzanite & diamond three stone ring in platinum
From: £808 to £1,689
An elegant tanzanite and diamond ring with shoulder stones in platinum
PDT568PL
An elegant tanzanite and diamond ring with shoulder stones in platinum
From: £1,530 to £1,885
A stunning tanzanite & diamond three stone ring in platinum
PDT279PL
A stunning tanzanite & diamond three stone ring in platinum
Only: £2,313
A timeless three stone tanzanite and diamond ring in platinum
PDT713PL
A timeless three stone tanzanite and diamond ring in platinum
From: £1,594 to £1,637
A classic tanzanite & diamond three stone ring in platinum
PDT528PL
A classic tanzanite & diamond three stone ring in platinum
From: £1,689 to £1,784
A delightful tanzanite & diamond three stone ring in platinum
PDT523PL
A delightful tanzanite & diamond three stone ring in platinum
From: £1,322 to £2,001
A stunning Tanzanite & diamond ring in platinum
PDT714PL
A stunning Tanzanite & diamond ring in platinum
Only: £1,759
A stunning three stone tanzanite & diamond ring in platinum
PDT492PL
A stunning three stone tanzanite & diamond ring in platinum
From: £1,190 to £1,742

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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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  • We accept Visa, Mastercard and American Express
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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)