Immersive jewellery

Bespoke jewellers and artisan explorers

Our Process

Engagement rings

Bespoke engagement rings crafted in London

Creating bespoke engagement rings is deeply embedded in our roots. Unconstrained by a set collection, every ring is made to order in our London based workshop.

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Our craft

Passionate about technical detail

Built upon the foundations of a life-long passion for gemstones our focus is ensuring every stone is shown in its best light.

Based in our central London workshop and with a specialist at each stage of the process our team of expert jewelers and gemologists are obsessed with detail in a quest of technical perfection.

Our process
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Blackacre Founder Sam colour Blackacre founder Samuel Stirrat Sam Stirrat Sri Lanka

Founder's vision

A young progressive team

Led by designer & Founder Samuel Stirrat, we are a young progressive brand seeking to define a new era of responsible luxury with education and transparency at our core.

We capture the essence of exploration, inviting you on a journey to discover the world’s most exceptional diamonds & gemstones, then immerse you in the creative process designing a piece to be cherished for life.

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By appointment

Arrange a visit

We operate by appointment only so that we can ensure we give each consultation our undivided attention. Investing time in education can't be done quickly. Let us know your initial ideas and we will help guide you from there.

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Education defines our clients experience

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Creating a modern Heirloom: The jouney of a bespoke diamond ring

Creating modern heirlooms is as much about the journey as it is the finished piece. Beyond the rarity and meticulous...

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Sam Stirrat gemologist in Sri Lanka


Sri Lanka | January 2022: Background to our expedition

In January 2022 we traveled to Sri Lanka, the first of many expeditions, taking you on a journey of discovery in search...

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Hugh Brown - The Story of a Mine Photographer

There is not much that Hugh Brown hasn't seen or done when it comes to artisanal mining. Providing a voice and sharing...

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Book an appointment

Our central London studio & workshop is open Monday to Friday 9:00am to 17:30pm available by appointment and is located just a short walk from Chancery Lane tube or Farringdon station.

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