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 Diamond Jewellery

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We have carefully built our jewellery collection to guarantee that those looking for something with a particular shape and metal in mind can find something with ease. Browse our selection of round cut diamond jewellery in platinum and discover your dream piece.

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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.
PDW136PL
A beautiful triple row diamond set wedding ring in platinum
From: £1,999 to £3,018
PDW131PL
A breathtaking diamond-set ladies eternity/wedding ring in platinum
Only: £4,180
PD506PL
A unique round brilliant cut diamond dress ring in platinum
From: £1,903 to £5,525
PD785PL
A stunning Round Brilliant Cut triple row diamond set ladies dress ring in platinum
From: £1,030 to £1,070
PD800PL
A unique and stylish ladies dress ring in platinum
From: £905 to £940
PD787PL
A unique Round Brilliant Cut diamond set ladies dress ring in platinum
From: £1,440 to £1,497
PD789PL
A unique Round Brilliant Cut diamond dress ring in platinum
From: £1,652 to £1,728
PD790PL
A stunning diamond ladies dress ring in platinum
From: £1,138 to £1,186
PDW132PL
A breathtaking diamond-set ladies eternity/wedding ring in platinum
From: £3,321 to £3,712
PD668PL
A unique Round Brilliant Cut diamond set ladies wedding/dress ring in platinum
From: £3,578 to £4,006
PD770PL
A unique round brilliant cut diamond dress ring in platinum
From: £3,669 to £4,313
PD318PL
A gorgeous round brilliant cut multi-stone diamond eternity/dress ring in platinum
From: £1,444 to £2,260
PDW096PL
A luxurious diamond set ladies wedding ring in platinum
From: £2,814 to £3,169
PD521PL
A stunning two row round brilliant cut diamond eternity ring in platinum
From: £855 to £1,229
PD298PL
A stunning round brilliant cut diamond dress/eternity style ring in platinum
From: £1,434 to £1,592
PD301PL
A gorgeous three row diamond eternity/dress ring in platinum
From: £1,493 to £2,270
PD307PL
A stunning round brilliant cut diamond dress/eternity ring in platinum
From: £1,858 to £2,040
PDW135PL
A lovely scattered diamond set ladies ring in platinum
From: £2,205 to £2,530

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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.