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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 princess cut diamond eternity/wedding ring in platinum
PD041PL
A stylish princess cut diamond eternity/wedding ring in platinum
From: £932 to £2,498
A breathtaking channel set diamond eternity ring in platinum
PD036PL
A breathtaking channel set diamond eternity ring in platinum
From: £832 to £1,939
An elegant eleven stone diamond set eternity ring in platinum
PD344PL
An elegant eleven stone diamond set eternity ring in platinum
From: £798 to £1,369
A stylish princess cut diamond eternity ring in platinum
PD217PL
A stylish princess cut diamond eternity ring in platinum
From: £988 to £1,074
An elegant round brilliant cut diamond eternity ring in platinum
PD336PL
An elegant round brilliant cut diamond eternity ring in platinum
From: £922 to £1,898
A beautiful round brilliant cut diamond eternity ring in platinum
PD350PL
A beautiful round brilliant cut diamond eternity ring in platinum
From: £1,076 to £6,469
A nineteen stone round brilliant cut diamond wedding/eternity ring in platinum
PDW167PL
A nineteen stone round brilliant cut diamond wedding/eternity ring in platinum
From: £709 to £763
A stunning nine stone diamond eternity ring in platinum
PD053PL
A stunning nine stone diamond eternity ring in platinum
From: £733 to £1,677
An elegant diamond set ladies wedding/eternity ring in platinum
PDW090PL
An elegant diamond set ladies wedding/eternity ring in platinum
From: £707 to £2,585
A stunning eleven stone brilliant cut diamond eternity ring in platinum
PD302PL
A stunning eleven stone brilliant cut diamond eternity ring in platinum
From: £702 to £1,808
A stunning princess cut five stone diamond ring in platinum
PD310PL
A stunning princess cut five stone diamond ring in platinum
From: £1,125 to £4,730
A stylish 9 stone princess cut diamond eternity ring in platinum
PD043PL
A stylish 9 stone princess cut diamond eternity ring in platinum
From: £826 to £1,946
A beautiful twelve stone baguette cut diamond wedding ring in platinum
PDW062PL
A beautiful twelve stone baguette cut diamond wedding ring in platinum
From: £1,168 to £2,349
A stylish round brilliant cut multi-stone diamond ring in platinum
PD244PL
A stylish round brilliant cut multi-stone diamond ring in platinum
From: £941 to £3,509
A spectacular princess cut diamond eternity ring in platinum
PD593PL
A spectacular princess cut diamond eternity ring in platinum
From: £1,072 to £2,261
A breathtaking round brilliant cut diamond eternity ring in platinum
PD045PL
A breathtaking round brilliant cut diamond eternity ring in platinum
From: £941 to £1,603
A striking round brilliant cut five stone diamond ring in platinum
PD364PL
A striking round brilliant cut five stone diamond ring in platinum
From: £1,497 to £4,443
An elegant double row diamond set ladies wedding/eternity ring in platinum
PDW140PL
An elegant double row diamond set ladies wedding/eternity ring in platinum
From: £2,048 to £2,295

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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)