Create a timeless, personalised engagement ring with expert guidance, every step of the way.
The Surprise Engagement Ring Design Experience
Design a deeply meaningful ring (even if you have no idea where to start), in a fully supported, step-by-step design process, where we do all the hard work for you. Absolute satisfaction guaranteed - or we’ll redesign your ring at no extra cost From first concept to handcrafted ring - starting at £3,500. Lifetime warranty and insurance advice included. Available both in-person and remotely. *Handcrafted in London using ethically sourced diamonds, gems, and metals. Allow 2-3 months - limited availability for 2025.
The Couples Engagement Ring Design Experience
A surprise proposal, then a champagne-filled ring design experience for two - expertly guided to make your proposal truly extraordinary. Propose with a complimentary placeholder ring (realistic, beautifully crafted, and safer for travel), then create your forever masterpiece together. Absolute satisfaction guaranteed - or we’ll redesign your ring at no extra cost ​ From proposal preparation to the finished ring - from £4,500. Lifetime warranty and insurance advice included. This all-inclusive Experience is available both in-person and remotely. *Handcrafted in London using ethically sourced diamonds, gems, and metals. Allow 2-3 months - limited availability for 2025.
Inside an LM-K Engagement Ring Design Experience
Take a sneak peak inside The Couples Experience:
Recent Commissions Gallery





Meet Lydia, the Expert Behind Your Bespoke Ring
Lydia helps men and couples create a custom-made engagement ring, even if they don't know where to start.
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She's made rings for best-selling authors, globally renowned artists, and even a Netflix star.
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Lydia believes that this is about more than just a ring - it’s a lasting symbol of your commitment, and should be designed to the highest standards.
