"Bespoke Jewellery Retailer of the Year" - UK Jewellery Awards 2026

Teal sapphire bespoke engagement ring on model Hero

Coloured Stone Engagement Rings

Every bespoke coloured gemstone engagement ring begins with an exceptional natural gemstone. Guided by a stone-led approach, each ring is individually designed to celebrate the unique colour, character and beauty of its centre stone. The rings below are a selection of previous commissions, showcasing the breadth of what can be achieved through our bespoke service. Commissions start from £5,000. Explore our bespoke diamond engagement rings.

Expedition sourced gemstones in the jungle

Responsibly sourced

Expedition-sourced sustainable gemstones

Whilst the diamond trade is predominantly operated by large infrastructure, much of the world's gemstones are sourced from artisanal mines and small-scale operations. With this comes great opportunity in our eyes...

Where possible, we seek to travel to the country of origin, meet those that find these exceptional stones and provide an insight into the story behind each gem.

Such an approach allows us to experience first hand the conditions within which our gemstones are found - allowing us to focus and support only those maintaining the most sustainable and ethical best practices.

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Alternative Designs

Unique coloured gemstone rings

Our portfolio of bespoke coloured gemstone engagement rings explores a more alternative expression of our design ethos, from emerald engagement rings and blue sapphire engagement rings through to distinctive green sapphire designs. Each ring is individually commissioned and stone-led, allowing the character of the gemstone to inform every detail of the design. The result is a collection that moves beyond the traditional, celebrating colour, individuality and the unique beauty of each stone while remaining grounded in our core design principles.

Alternative Engagement Rings

Elegant designs

Attention to detail

We are of the firm view that a design need not be ostentatious or overly complex to be highly sophisticated and deeply meaningful. Instead we focus on a multitude of fine details that elevate the design, all whilst encompassed within the definition of a 'modern classic'.

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The creative process

Each diamond and coloured gemstone engagement ring is individually made to order, allowing you to be involved in the creative process from start to finish. We share updates at key stages as your ring takes shape.

The Bespoke Journey

Unique coloured stones

The Gem Vault

Our gem vault showcases a snapshot of our curated coloured diamond and gemstone collection. We adopt a design ethos of 'stone-led design' whereby each creation is meticulously crafted around the unique personality and properties of any given stone. Such an approach ensures each piece is perfectly proportioned, with the optimal flow of light to showcase these exceptional stones.

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Blackacre Office Final

By appointment only

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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Book an appointment

Our central London studio is open by appointment Monday to Friday 9am to 5.30pm and is located just a short walk from Chancery Lane tube or Farringdon station.

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