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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: £652 to £1,462
A stylish Round Brilliant Cut diamond eternity ring in platinum
PD367PL
A stylish Round Brilliant Cut diamond eternity ring in platinum
From: £728 to £2,249
A stunning Round Brilliant Cut diamond set wedding/eternity ring in platinum
PDW061PL
A stunning Round Brilliant Cut diamond set wedding/eternity ring in platinum
From: £692 to £1,123
A stunning Round Brilliant Cut diamond set wedding/eternity ring in platinum
PD643PL
A stunning Round Brilliant Cut diamond set wedding/eternity ring in platinum
From: £807 to £846
A classic Round Brilliant Cut diamond set wedding/eternity ring in platinum
PDW200PL
A classic Round Brilliant Cut diamond set wedding/eternity ring in platinum
From: £626 to £647
A sparkling Round Brilliant Cut diamond eternity/wedding ring in platinum
PD532PL
A sparkling Round Brilliant Cut diamond eternity/wedding ring in platinum
From: £615 to £638
A Round Brilliant Cut diamond set wedding/eternity ring in platinum
PDW160PL
A Round Brilliant Cut diamond set wedding/eternity ring in platinum
From: £526 to £547
A dazzling Round Brilliant Cut diamond eternity/wedding ring in platinum
PD720PL
A dazzling Round Brilliant Cut diamond eternity/wedding ring in platinum
From: £757 to £1,730
A beautiful Round Brilliant Cut five stone diamond ring in platinum
PD828PL
A beautiful Round Brilliant Cut five stone diamond ring in platinum
From: £1,004 to £6,859
A breathtaking Princess Cut diamond eternity ring in platinum
PD734PL
A breathtaking Princess Cut diamond eternity ring in platinum
From: £1,154 to £1,880
A Round Brilliant Cut diamond set wedding/eternity ring in platinum
PDW235PL
A Round Brilliant Cut diamond set wedding/eternity ring in platinum
From: £806 to £833
A Round Brilliant Cut diamond set wedding/eternity ring in platinum
PDW236PL
A Round Brilliant Cut diamond set wedding/eternity ring in platinum
From: £620 to £633
A stunning Round Brilliant Cut diamond set wedding ring in platinum
PDW228PL
A stunning Round Brilliant Cut diamond set wedding ring in platinum
From: £725 to £758
A stunning Round Brilliant Cut diamond set wedding ring in platinum
PD645PL
A stunning Round Brilliant Cut diamond set wedding ring in platinum
From: £755 to £775
A stunning Round Brilliant Cut diamond set wedding/eternity ring in platinum
PDW158PL
A stunning Round Brilliant Cut diamond set wedding/eternity ring in platinum
From: £680 to £701
A stunning Round Brilliant Cut diamond eternity ring in platinum
PD547PL
A stunning Round Brilliant Cut diamond eternity ring in platinum
From: £543 to £563
A gorgeous Round Brilliant Cut diamond set eternity/wedding ring in platinum
PDW080PL
A gorgeous Round Brilliant Cut diamond set eternity/wedding ring in platinum
From: £840 to £1,311
A classic Round Brilliant Cut diamond set ladies wedding ring in platinum
PDW081PL
A classic Round Brilliant Cut diamond set ladies wedding ring in platinum
From: £695 to £722

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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)