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Platinum Three Stone Design Ruby Gemstone Rings

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A wonderful declaration of love is the combination of a stunning gemstone with diamonds. Our collection of platinum ruby 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 three stone ruby & diamond ring in platinum
PDR493PL
A timeless three stone ruby & diamond ring in platinum
From: £1,004 to £2,365
A timeless three stone ruby & diamond ring in platinum
PDR491PL
A timeless three stone ruby & diamond ring in platinum
From: £761 to £1,126
A stylish three stone ruby & diamond ring in platinum
PDR388PL
A stylish three stone ruby & diamond ring in platinum
From: £1,485 to £1,526
An elegant three stone ruby & diamond ring in platinum
PDR389PL
An elegant three stone ruby & diamond ring in platinum
From: £1,176 to £1,754
A delightful ruby & diamond three stone ring in platinum
PDR523PL
A delightful ruby & diamond three stone ring in platinum
From: £1,355 to £2,465
A luxurious ruby and diamond ring with shoulder stones in platinum
PDR404PL
A luxurious ruby and diamond ring with shoulder stones in platinum
From: £1,521 to £2,845
A stunning three stone ruby & diamond ring in platinum
PDR492PL
A stunning three stone ruby & diamond ring in platinum
From: £1,236 to £2,213
A classic three stone ruby & diamond ring in platinum
PDR462PL
A classic three stone ruby & diamond ring in platinum
From: £991 to £1,449
An elegant three stone ruby & diamond ring in platinum
PDR499PL
An elegant three stone ruby & diamond ring in platinum
From: £1,434 to £2,247
An elegant round brilliant cut diamond ring with ruby shoulder stones in platinum
PDRR528PL
An elegant round brilliant cut diamond ring with ruby shoulder stones in platinum
From: £1,550 to £3,076
A classic ruby & diamond three stone ring in platinum
PDR528PL
A classic ruby & diamond three stone ring in platinum
From: £1,304 to £2,052
A beautiful ruby and diamond three stone ring in platinum
PDRR462PL
A beautiful ruby and diamond three stone ring in platinum
From: £1,123 to £1,966
A stunning Ruby & diamond ring in platinum
PDR279PL
A stunning Ruby & diamond ring in platinum
Only: £2,717
An exquisite ruby and diamond ring in platinum
PDR714PL
An exquisite ruby and diamond ring in platinum
Only: £2,298
A classic three stone ruby & diamond ring in platinum
PDR382PL
A classic three stone ruby & diamond ring in platinum
From: £2,642 to £4,099
A timeless 3 stone ruby & diamond ring in platinum
PDR567PL
A timeless 3 stone ruby & diamond ring in platinum
From: £832 to £2,168
A beautiful ruby & diamond three stone ring in platinum
PDR202PL
A beautiful ruby & diamond three stone ring in platinum
From: £900 to £1,007
A beautiful round brilliant cut three stone ruby and diamond ring in platinum
PDRR491PL
A beautiful round brilliant cut three stone ruby and diamond ring in platinum
From: £1,701 to £2,570

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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)