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.
PD407PL
A stunning Round Brilliant Cut Diamond Ring with shoulder stones in platinum
From: £1,228 to £1,490
PD404PL
A breathtaking diamond three stone ring with shoulder stones in platinum
From: £1,386 to £5,398
PD111PL
A stunning three stone princess cut diamond ring with shoulders stone in platinum
From: £1,401 to £3,509
PD670PL
A stylish Round Brilliant Cut diamond ring with shoulder stones in platinum
From: £2,076 to £5,127
PD462PL
An elegant three stone princess cut diamond ring in platinum
From: £1,196 to £3,104
PD539PL
A classic round brilliant cut three stone diamond ring in platinum
From: £786 to £12,042
PD383PL
A unique round brilliant cut three stone diamond ring in platinum
From: £695 to £1,995
PD491PL
A beautiful round brilliant cut three stone diamond ring in platinum
From: £856 to £13,388
PD541PL
A unique round brilliant cut three stone diamond twist ring in platinum
From: £907 to £12,153
PD388PL
A beautiful emerald cut three stone diamond ring in platinum
From: £1,436 to £10,654
PD603PL
A breathtaking emerald cut three stone diamond ring with shoulders stones in platinum
From: £2,404 to £5,892
PD727PL
A beautiful diamond three stone diamond ring with shoulder stones in platinum
From: £2,070 to £2,480
PD202PL
A sparkling round brilliant cut three stone diamond ring in platinum
From: £1,177 to £2,607
PD528PL
A brilliant cut and pear shaped diamond ring in platinum
From: £1,618 to £11,284
PD671PL
A stunning three stone diamond ring with shoulder stones in platinum
From: £956 to £11,908
PD681PL
A brilliant cut three stone diamond ring with shoulder stones in platinum
From: £1,038 to £12,881
PD493PL
A stunning oval and round brilliant c three stone diamond ring in platinum
From: £1,340 to £4,253
PD389PL
An emerald cut and round brilliant cut three stone diamond ring in platinum
From: £1,129 to £5,670

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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.