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The Blacklock Promise: Quality, Craft and Authenticity


Every diamond is handpicked by Ralph Blacklock

A Fellow of the Gemmological Association of Great Britain, Senior Partner Ralph Blacklock insists that all the diamonds he selects are of the highest quality - that they sparkle with fire and natural brilliance. We look for diamonds that display the greatest character, or, to use the family phrase that's been passed down from generation to generation, stones that have 'some life about them and speak to you'.


An exceptional level of expertise goes into the creation of every Blacklock engagement ring

Blacklock's artisans are some of the finest, with a natural affinity for working with platinum and diamonds.

Once the platinum is cast, our craftsmen start working to the design blueprints.

Only then are our master setters able to set each diamond. Working with skill and instinct, they fashion the platinum and diamonds to the exacting requirements of the design, constantly refining and polishing as they go. Once each sparkling stone is in place, the ring is given a final clean and polish to bring their craft - the Blacklock engagement ring – to life.


Each ring is hand checked to be sure it reaches the Blacklock standard

Only when he has inspected and approved every stone and setting will Ralph Blacklock allow the coveted 'RB' insignia to be stamped within.

Let the Partners guide you with your engagement enquiry

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