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 Three Stone Engagement Rings

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Discover our beautiful collection of platinum three stone engagement rings and begin your diamond journey today. Skilfully crafted in platinum from our central London workshop, each of our three stone engagement rings is made to order to your exact requirements.

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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.
PD404PL
A breathtaking Round Brilliant Cut three stone diamond ring with shoulder stones in platinum
From: £1,289 to £5,809
PD277PL
A beautiful Round Brilliant Cut diamond ring with Pear shoulder stones in platinum
From: £1,726 to £30,853
PD491PL
A beautiful Round Brilliant Cut three stone diamond ring in platinum
From: £809 to £10,196
PD541PL
A unique Round Brilliant Cut three stone diamond ring in platinum
From: £884 to £10,593
PD388PL
A beautiful Emerald Cut three stone diamond ring in platinum
From: £1,370 to £10,328
PD539PL
A classic Round Brilliant Cut three stone diamond ring in platinum
From: £773 to £10,493
PD407PL
A stunning Round Brilliant Cut Diamond Ring with shoulder stones in platinum
From: £1,218 to £1,506
PD383PL
A unique Round Brilliant Cut three stone diamond ring in platinum
From: £656 to £1,909
PD847PL
A beautiful Round Brilliant Cut three stone diamond ring in platinum
From: £824 to £10,198
PD567PL
A stylish oval cut diamond 3 stone ring in platinum
From: £1,170 to £3,563
PD202PL
A sparkling Round Brilliant Cut three stone diamond ring in platinum
From: £1,113 to £2,635
PD603PL
A breathtaking Emerald Cut three stone diamond ring with shoulders in platinum
From: £2,285 to £5,690
PD528PL
An elegant Round Brilliant Cut diamond ring with Pear shoulder stones in platinum
From: £1,654 to £9,206
PD462PL
A classic three stone Princess Cut diamond ring in platinum
From: £1,139 to £3,057
PD382PL
An elegant Round Brilliant Cut three stone diamond ring in platinum
From: £1,138 to £5,646
PD111PL
A stunning three stone Princess Cut diamond ring with shoulders stone in platinum
From: £1,360 to £3,579
PD670PL
A stylish Round Brilliant Cut diamond ring with shoulder stones in platinum
From: £1,921 to £4,888
PD727PL
A beautiful diamond three stone diamond ring with shoulder stones in platinum
From: £1,981 to £2,410

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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.