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Platinum Half Eternity Rings

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If you're looking celebrate a milestone or anniversary, then our half 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
PDW074PL
A stylish round brilliant cut diamond eternity/wedding ring in platinum
From: £672 to £2,198
A timeless round brilliant cut diamond eternity ring in platinum
PD367PL
A timeless round brilliant cut diamond eternity ring in platinum
From: £746 to £2,215
A stunning round brilliant cut diamond wedding/eternity ring in platinum
PDW061PL
A stunning round brilliant cut diamond wedding/eternity ring in platinum
From: £726 to £1,134
A nineteen stone channel set diamond set wedding/eternity ring in platinum
PD643PL
A nineteen stone channel set diamond set wedding/eternity ring in platinum
From: £830 to £886
A sixteen stone round brilliant cut diamond wedding/eternity ring in platinum
PDW200PL
A sixteen stone round brilliant cut diamond wedding/eternity ring in platinum
From: £656 to £691
A sparkling round brilliant cut diamond eternity/wedding ring in platinum
PD532PL
A sparkling round brilliant cut diamond eternity/wedding ring in platinum
From: £641 to £674
A fifteen stone round brilliant cut diamond wedding/eternity ring in platinum
PDW160PL
A fifteen stone round brilliant cut diamond wedding/eternity ring in platinum
From: £550 to £576
A dazzling round brilliant cut diamond eternity/wedding ring in platinum
PD720PL
A dazzling round brilliant cut diamond eternity/wedding ring in platinum
From: £767 to £1,534
A beautiful round brilliant cut five stone diamond ring in platinum
PD828PL
A beautiful round brilliant cut five stone diamond ring in platinum
From: £913 to £6,228
A breathtaking princess cut diamond eternity ring in platinum
PD734PL
A breathtaking princess cut diamond eternity ring in platinum
From: £1,197 to £1,909
A stunning plaited diamond set wedding/eternity ring in platinum
PDW235PL
A stunning plaited diamond set wedding/eternity ring in platinum
From: £814 to £855
A round brilliant cut diamond set wedding/eternity ring in platinum
PDW236PL
A round brilliant cut diamond set wedding/eternity ring in platinum
From: £684 to £705
A nineteen stone channel set diamond wedding ring in platinum
PDW228PL
A nineteen stone channel set diamond wedding ring in platinum
From: £788 to £827
A stunning twentysix stone round brilliant cut diamond wedding/eternity ring in platinum
PDW158PL
A stunning twentysix stone round brilliant cut diamond wedding/eternity ring in platinum
From: £692 to £724
A stunning round brilliant cut diamond eternity/wedding ring in platinum
PD547PL
A stunning round brilliant cut diamond eternity/wedding ring in platinum
From: £577 to £606
A gorgeous channel set diamond wedding/eternity ring in platinum
PDW080PL
A gorgeous channel set diamond wedding/eternity ring in platinum
From: £872 to £1,356
A delightful diamond set ladies wedding/eternity ring in platinum
PDW081PL
A delightful diamond set ladies wedding/eternity ring in platinum
From: £732 to £765
A stunning nineteen stone round brilliant cut diamond eternity/wedding ring in platinum
PD530PL
A stunning nineteen stone round brilliant cut diamond eternity/wedding ring in platinum
From: £731 to £930

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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)