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: £1,125 to £1,384
PD404PL
A breathtaking diamond three stone ring with shoulder stones in platinum
From: £1,200 to £4,718
PD111PL
A stunning three stone princess cut diamond ring with shoulders stone in platinum
From: £1,335 to £3,214
PD670PL
A stylish Round Brilliant Cut diamond ring with shoulder stones in platinum
From: £1,877 to £4,368
PD462PL
An elegant three stone princess cut diamond ring in platinum
From: £1,125 to £2,795
PD539PL
A classic round brilliant cut three stone diamond ring in platinum
From: £707 to £10,118
PD383PL
A unique round brilliant cut three stone diamond ring in platinum
From: £647 to £1,836
PD491PL
A beautiful round brilliant cut three stone diamond ring in platinum
From: £818 to £9,915
PD541PL
A unique round brilliant cut three stone diamond twist ring in platinum
From: £826 to £10,228
PD388PL
A beautiful emerald cut three stone diamond ring in platinum
From: £1,379 to £10,050
PD603PL
A breathtaking emerald cut three stone diamond ring with shoulders stones in platinum
From: £2,223 to £5,328
PD727PL
A beautiful diamond three stone diamond ring with shoulder stones in platinum
From: £1,925 to £2,347
PD202PL
A sparkling round brilliant cut three stone diamond ring in platinum
From: £1,122 to £2,409
PD528PL
A brilliant cut and pear shaped diamond ring in platinum
From: £1,520 to £8,300
PD671PL
A stunning three stone diamond ring with shoulder stones in platinum
From: £844 to £9,949
PD681PL
A brilliant cut three stone diamond ring with shoulder stones in platinum
From: £981 to £9,499
PD493PL
A stunning oval and round brilliant c three stone diamond ring in platinum
From: £1,251 to £3,706
PD389PL
An emerald cut and round brilliant cut three stone diamond ring in platinum
From: £1,065 to £5,185

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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.