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Platinum Three Quarter Eternity Rings

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If you're looking celebrate a milestone or anniversary, then our three quarter platinum eternity rings are just the thing. Available in a variety of widths and metals, you'll find something for your beloved in our award winning collection.

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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 stylish Round Brilliant Cut diamond eternity/wedding ring in platinum
PDW215PL
A stylish Round Brilliant Cut diamond eternity/wedding ring in platinum
From: £764 to £813
A stunning Round Brilliant Cut double row diamond set ladies wedding ring in platinum
PD721PL
A stunning Round Brilliant Cut double row diamond set ladies wedding ring in platinum
From: £1,280 to £1,380
A stylish Princess Cut double row diamond set ladies wedding/eternity ring in platinum
PD783PL
A stylish Princess Cut double row diamond set ladies wedding/eternity ring in platinum
From: £2,313 to £2,598
A stunning three-quarter set brilliant cut diamond eternity/wedding ring in platinum
PD712PL
A stunning three-quarter set brilliant cut diamond eternity/wedding ring in platinum
From: £693 to £863
A stylish three-quarter set diamond eternity/wedding ring in platinum
PDW213PL
A stylish three-quarter set diamond eternity/wedding ring in platinum
From: £794 to £1,496
A breathtaking Round Brilliant Cut diamond eternity ring in platinum
PD752PL
A breathtaking Round Brilliant Cut diamond eternity ring in platinum
From: £880 to £1,544
A classic Round Brilliant Cut diamond set ladies wedding/eternity ring in platinum
PD722PL
A classic Round Brilliant Cut diamond set ladies wedding/eternity ring in platinum
From: £804 to £851
A beautiful Round Brilliant Cut 3/4 diamond set wedding/eternity ring in platinum
PD782PL
A beautiful Round Brilliant Cut 3/4 diamond set wedding/eternity ring in platinum
From: £787 to £817
A beautiful Round Brilliant Cut diamond set wedding/eternity ring in platinum
PDW214PL
A beautiful Round Brilliant Cut diamond set wedding/eternity ring in platinum
From: £726 to £756
A stunning Round Brilliant Cut diamond set wedding/eternity ring in platinum
PDW217PL
A stunning Round Brilliant Cut diamond set wedding/eternity ring in platinum
From: £831 to £1,377
A stunning Princess Cut diamond set wedding/eternity ring in platinum
PD769PL
A stunning Princess Cut diamond set wedding/eternity ring in platinum
From: £1,276 to £2,091
A stunning Round Brilliant Cut diamond eternity ring in platinum
PDW248PL
A stunning Round Brilliant Cut diamond eternity ring in platinum
From: £1,201 to £1,531

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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)