Purely Diamonds logo
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: £550 to £40,507
PD365PL
A modern round brilliant cut solitaire twist diamond ring in platinum
From: £655 to £40,452
PD710PL
A timeless round cut solitaire diamond ring in platinum
From: £531 to £40,449
PD537PL
A classic round brilliant cut solitaire diamond ring in platinum
From: £781 to £40,596
PD123PL
An elegant round brilliant cut solitaire diamond ring in platinum
From: £575 to £40,472
PD369PL
An ageless round brilliant cut solitaire diamond ring in platinum
From: £582 to £40,483
PD146PL
A striking round brilliant cut twist diamond ring in platinum
From: £677 to £2,453
PD496PL
An elegant round brilliant cut solitaire diamond ring in platinum
From: £549 to £40,444
PD362PL
An elegant round brilliant cut solitaire diamond ring in platinum
From: £524 to £31,910
PD027PL
A beautiful round brilliant cut solitaire diamond ring in platinum
From: £765 to £2,605
PD071PL
A round brilliant cut solitaire diamond ring in platinum
From: £726 to £10,052
PD459PL
A classic round brilliant cut solitaire diamond ring in platinum
From: £783 to £40,483
PD489PL
A beautiful twist round brilliant cut diamond ring in platinum
From: £865 to £40,473
PD136PL
A modern round brilliant cut solitaire diamond ring in platinum
From: £788 to £2,409
PD060PL
A unique round brilliant cut solitaire diamond ring in platinum
From: £710 to £3,207
PD368PL
A stylish round brilliant cut solitaire diamond ring in platinum
From: £849 to £10,087
PD354PL
A stylish round brilliant cut twist diamond ring in platinum
From: £1,224 to £3,243
PD231PL
A beautiful round brilliant cut solitaire diamond ring in platinum
From: £883 to £4,089

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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.