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Purely Diamonds logo
Purely Diamonds logo
Purely Diamonds logo
Purely Diamonds logo
Purely Diamonds logo
Purely Diamonds logo
Purely Diamonds logo
Purely Diamonds logo

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Platinum Round Cut Solitaire Engagement Rings

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Shopping for an engagement ring can be a daunting process, but with our award winning rings, we're here to make it an enjoyable one. Each of our platinum round cut solitaire engagement rings will be made just for you.

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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.
PD112PL
A timeless round cut solitaire diamond ring in platinum
From: £588 to £57,283
PD365PL
A modern round brilliant cut solitaire twist diamond ring in platinum
From: £693 to £57,226
PD710PL
A timeless round cut solitaire diamond ring in platinum
From: £568 to £57,224
PD537PL
A classic round brilliant cut solitaire diamond ring in platinum
From: £841 to £57,389
PD123PL
An elegant round brilliant cut solitaire diamond ring in platinum
From: £613 to £57,245
PD369PL
An ageless round brilliant cut solitaire diamond ring in platinum
From: £620 to £57,259
PD146PL
A striking round brilliant cut twist diamond ring in platinum
From: £718 to £2,607
PD496PL
An elegant round brilliant cut solitaire diamond ring in platinum
From: £588 to £57,218
PD362PL
An elegant round brilliant cut solitaire diamond ring in platinum
From: £561 to £39,926
PD027PL
A beautiful round brilliant cut solitaire diamond ring in platinum
From: £804 to £2,759
PD071PL
A round brilliant cut solitaire diamond ring in platinum
From: £769 to £11,826
PD459PL
A classic round brilliant cut solitaire diamond ring in platinum
From: £848 to £57,259
PD489PL
A beautiful twist round brilliant cut diamond ring in platinum
From: £900 to £57,248
PD136PL
A modern round brilliant cut solitaire diamond ring in platinum
From: £848 to £2,560
PD060PL
A unique round brilliant cut solitaire diamond ring in platinum
From: £749 to £3,774
PD368PL
A stylish round brilliant cut solitaire diamond ring in platinum
From: £915 to £11,861
PD354PL
A stylish round brilliant cut twist diamond ring in platinum
From: £1,317 to £3,812
PD231PL
A beautiful round brilliant cut solitaire diamond ring in platinum
From: £944 to £4,825

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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.