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attractive shocked and happy blonde showing off her engagement ring with her hand over her

Bespoke Engagement Rings.

Turn a memory into a truly bespoke engagement ring.

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Go Beyond Bespoke...

We turn shared memories and sentimental moments, like the holiday where you fell in love, or your favourite country walk - into a bespoke engagement ring; every detail is personalised to you.
 

Capture Your Love Story in a Bespoke Engagement Ring

​As custom engagement ring specialists, we focus exclusively on transforming your love story into a custom engagement ring. 

 

In a special step-by-process, we'll help you extract a powerful memory, working with you to infuse it into the design and build of your bespoke engagement ring.​​

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Our Bespoke Engagement Rings

Get inspired by our previously commissioned bespoke engagement rings, each one individually custom made to reveal a hidden love story. Handmade in London.

''I didn't want to just 'buy a ring'. I wanted every little detail to mean something''.

Custom Made Ring Design Options

We offer three exceptional Bespoke Engagement Ring Design Experiences.

1

LMK Exclusive:

From £4,000


A meticulously crafted, bespoke engagement ring that captures your love story in a timeless, luxurious design.​ Wedding ring planning included.

 

2

LMK Elevated:

From £7,000

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Designed to create a masterpiece of unmatched detail and artistry, set with peerless gems of unrivalled quality. Includes a complimentary plain wedding band in gold or platinum.​

3

LMK Rarified:
From £15,000

Reserved for those seeking the rarest materials and the utmost in craftsmanship. Includes a complimentary matched wedding band in gold or platinum.

How We Create Bespoke Engagement Rings

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Step 1.​​

Initial consultation. Engagement ring designer, Lydia will invite you to share ideas, memories, and details about your partner, to help capture your unique love story.

Why Choose a Bespoke Engagement Ring?

Your love story is unique. Why shouldn't your engagement ring be? It's more meaningful to build your own bespoke engagement ring.

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Imagine a ring that captures the essence of you as a couple - one that tells every step of your love story in diamonds and premium metals.

 

Everyone wants their engagement ring to feel extra special, whether that's with a poignant hidden detail, or with a bold, unique design. 

 

Together, let's transform your shared connection into a beautiful symbol of forever.

a bespoke engagement ring set with a 3 carat radiant cut diamond in 18 karat yellow gold,
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Should I buy a bespoke ring?

A bespoke engagement ring allows you to create something extra special. At LMK, we take personalisation one step further: Choose a classic design and tweak it to include a memory you both treasure, or create a completely unique ring inspired by your love story.

When creating an engagement ring with Lydia and her team of experts, you can take part in every aspect, as much or as little as you like. From choosing the perfect diamond to working with our artisans to build a one-of-a-kind style, our bespoke engagement ring design experiences are unrivalled anywhere in the world.

Building a Bespoke Engagement Ring With LMK

​Created in close conversation with the client, the customisation process is designed to be exciting, rewarding, and enjoyable from start to finish.

 

While most bespoke designers expect you to bring the ideas, we know this can be overwhelming. Instead of expecting you to know exactly what you want, we specialise in uncovering what’s most meaningful to you.

 

Lydia and her team of in-house diamond experts, gemmologists, and jewellery artisans create every bespoke engagement ring to order, helping you to personalise every detail. 

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How much do bespoke rings cost?

So, how much is it for a bespoke ringWe offer three all-inclusive options for our luxury bespoke rings, starting at £4,000 with no extra charges or hidden costs. We operate exclusively as a bespoke engagement ring jeweller, allowing us to focus all of our creative talents on imbuing your ring with added depth and sentiment. ​
 
We're so confident in the LMK engagement ring design process that we can make a unique promise to all of our clients - designing with us is absolutely free, and if you and your partner are not completely delighted with your masterpiece (as we know you will be), you don’t pay for your ring.

Creating A Bespoke Engagement Ring.

Lydia’s passion for diamonds began in her childhood, where she spent hours sketching and cultivating her creative eye. Her professional journey started in corporate mining, where she developed a deep understanding of the diamond industry and built strong relationships with both natural diamond miners and lab-grown suppliers - connections she continues to collaborate with today.

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When her own engagement ring was damaged after only a few months, Lydia seized the opportunity to redesign it herself, igniting her transition into jewellery and finally, launching her eponymous brand in 2019.

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With a deep love for storytelling and a keen ability to interpret individual personalities, Lydia finds real joy in the bespoke design process, crafting engagement rings that are exquisite and deeply personal - perfectly customised to reflect the unique character and story of each client.

Lydia McCarthy-Keen bespoke engagement ring designer and founder of LMK designing a bespok

It's OK to feel like a beginner.

We know this is new for you, but we are here to help you every step of the way. Lydia and her specialist diamond and gemstone experts are on-hand to guide you through the different diamond and coloured gemstone options, including teaching you how to choose yours like a pro. You can select your diamond in-person from one of the world's finest premium collections, or join us online to make your choice from the comfort of home. 

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''Emma has been through so much this year. I really wanted something to symbolise her strength. We ended up with the most beautiful old mine cut diamond in a sort of vintage style setting. She still can't stop looking at it.''

Vincent H.

Bespoke Engagement Rings FAQs

  • What Is A Bespoke Engagement Ring?
    A bespoke engagement ring is custom-designed exclusively for you. It allows you to choose every detail, from the design to the materials, ensuring a one-of-a-kind piece. It is deeply meaningful, tailored to your preferences, and made to perfectly symbolise your relationship. The ring is made to order and handcrafted from scratch according to a detailed design process, rather than from a premade or pre-designed product selection.
  • Why Choose LMK?
    At LMK, bespoke engagement rings are all we do. Led by award-winning designer Lydia, we focus on creating the most meaningful, sentimental piece of jewellery you’ll ever own. While most bespoke designers expect you to bring the ideas, we know this can be overwhelming - especially for those new to jewellery or drawn to various styles. That’s where we come in. Instead of expecting you to know exactly what you want, we specialise in uncovering what’s most meaningful to you. We blend your personal story with timeless design elements, such as style, stone choice, and craftsmanship, to make your ring truly personal to you. With us, your ring will reflect your love story in a way that's both timeless and beautiful.
  • How Much Does A Bespoke Engagement Ring Cost?
    We are a luxury brand, and our craftsmanship reflects that, placing us outside of some couples' price ranges. The best thing about a bespoke engagement ring, is that this one-time investment is completely personalised to you - you control your budget by selecting each detail to match your taste and needs. We don't charge extra for bespoke design, nor do we have the costs associated with running a high street store, so if you can afford a luxurious ring, you don't pay a premium to work with us. We offer three all-inclusive options, two of which include a complimentary matched wedding ring, and if you’re not absolutely delighted, you don’t pay: Option One - LMK Exclusive: For budgets of £4,000 and above. A meticulously crafted, bespoke ring that captures your love story in a timeless, luxurious design. Option Two - LMK Elevated: For budgets of £7,000 and above. Designed to create a masterpiece of unmatched detail and artistry, with a complimentary matched wedding band in 18K yellow gold or platinum. Option Three - LMK Rarified: For budgets of £15,000 and above. A bespoke experience reserved for those seeking the rarest materials and the utmost in craftsmanship. Includes a complimentary matched wedding band in 18K yellow gold or platinum. Each design Experience also includes: ✓ Analysis of your partner's style ✓ Digital design and 3D replica ✓ Ethical and sustainable sourcing ✓ Diamond/gem certificate of authenticity ✓ Lifetime warranty ✓ Valuation report ✓ Complimentary resizing ✓ Complimentary proposal planning ✓ Complimentary cleaning ✓ Insurance advice and support ✓ On-going care and support We believe you shouldn't pay for anything unless it's exceptional. Start your journey with a complimentary bespoke design, tailored exclusively to your partner.
  • How Long Does It Take To Make A Bespoke Engagement Ring?
    Including thorough analysis of you and your partner, most designs take 2 weeks to be sketched, digitised, and turned into a lifelike animated video and exact 3D replica for you to see and hold. Once you’ve fallen in love with your final design, you'll be invited to choose the perfect diamond, either in-person or online. The timing of this is therefore dependent on your own personal schedule and our diary. Once your diamond is chosen and your design is approved, our skilled artisans begin the process of bringing your ring to life, handcrafting it in our London workshop. Typically, this process takes 4-5 weeks. The exact time frame is discussed with you during your initial consultation and we'll keep you up-to-date throughout the process. Ready to get started? Book a consultation to receive your complimentary design.
  • How Do You Know My Partner Will Love The Ring Before It Is Made?
    We assess nine separate elements to determine exactly which style, size, and type of engagement ring is perfect for the wearer. Based on your responses to our initial questionnaire and a photo of your partner, we tailor your ring to meet both practical and aesthetic needs, ensuring it stands the test of time. We then blend these elements with a cherished memory or sentimental theme to create your timeless heirloom. We're so confident in our design process that we can offer a unique guarantee unavailable anywhere else - if either you or your partner are not absolutely delighted with your heirloom, you don't pay.
  • What If I Don't Like The Ring?
    There are many checks and balances built into the LMK process which makes this virtually impossible. You'll receive a lifelike, exact 3D replica* of your ring which you can see and hold before committing. We don't believe you should have to pay for something unless it’s exceptional. If you and your partner aren't thrilled with the final piece, you don’t pay. Such is our confidence in our ability to support and protect your special moment. *Our replicas are shipped in unbranded packaging labelled ''batteries'' and fit through the letter box. You have the option to provide an alternative shipping address should this better meet your needs. Get started with your complimentary bespoke design:
  • What If I Don’t Have a Clear Idea of What I Want?
    You don’t need a clear vision. Uncovering your unique story in a way you and your partner will love is what we do. Once you've completed a brief questionnaire, we will intuitively capture your partner’s style and the emotions you wish to convey, taking your simple insights and transforming them into a timeless masterpiece.
  • What If I Already Have a Clear Idea of What I Want?
    If you have a clear vision of what you/your partner loves, that’s an excellent starting point. We specialise in taking your vision and elevating it into something truly exceptional. Please note that we do not offer plain diamond solitaires, as our focus is on creating personalised designs. This allows us to dedicate our time to clients seeking something more emotive and beyond what’s already available.
  • Can I Incorporate Family Heirlooms or Sentimental Pieces Into My Design?
    Yes, it would be an honour to be entrusted with a precious part of your heritage. Our process allows you to carry a piece of your family’s history forward while creating a new chapter in your own love story. Our master artisans are skilled in working with existing materials to craft a ring that is both modern and timeless.
  • Where Do Your Diamonds Come From?
    Natural Diamonds In addition to sourcing cut and polished gems, we specialise in sourcing rough, uncut diamonds straight from mine, making us among the few diamond houses to enjoy 'first pick' before gems enter the wider market. We have established deep connections with artisanal mines globally, with all of our natural diamonds being selected in-house from ethical producers. Notable regions include: Botswana, Canada, Namibia (ocean). Lab Grown Diamonds As far as we know, we were the first specialists to introduce lab grown diamonds to the UK jewellery market, however the technology itself was developed in 1954. We specialise in slow-growth and single growth diamonds, which minimise the occurrence of strain and striation, both forms of disruption in the normal growth of diamond crystals which affect light performance. These can occur in natural diamonds and lab grown diamonds, but are prevalent in standard production lab grown diamonds.
  • Can I See Your Reviews?
    Yes, you can find us on Trustpilot. Please note: Due to the calibre of clients we are fortunate enough to work with, our reviews are by their nature limited to those who are comfortable waiving their anonymity to leave a public review.
  • Do You Have A Shop?
    No, we are a small independent brand focused entirely on creating made-to-order bespoke engagement rings. By not having the overhead of a retail store, we can concentrate on crafting premium, custom rings that offer exceptional value. If you'd like to meet in person, we offer appointments at two exclusive London locations: Our private member's club in Marylebone, West London, where you can enjoy a glass of champagne, or at our offices at the renowned diamond trading floor in central London. This diamond trading platform is recognised globally for its access to the most exquisite gems, and LMK clients receive exclusive, behind-the-scenes access by appointment.
emerald cut diamond ring with a matched diamond wedding ring in platinum on a blue backgro

Bespoke Engagement Ring Tips.

It's very exciting to build your own custom made engagement ring, but it can be overwhelming not knowing if you are headed in the right direction.

 

Whether you have a clear vision or not for your design, trust in the LMK process.

 

Our award-winning engagement ring designers have made it their life's work to interpret your partner's style and blend it with a meaningful custom design inspired by your unique memories.

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Read Lydia's expert tips to create your own bespoke engagement ring below:

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01

Start With Your Story

Contrary to popular belief, Lydia doesn't think that the jewellery your partner already wears is the best place to start. Whilst it should be considered, few women are wearing the quality or style of jewellery they would expect from an engagement ring. Instead, think back to your favourite moments together - where were you? What happened? Who said what? What do these moments have in common? How do they make you feel? This is how you develop a concept to build your bespoke ring around.

02

Assess Your Partner's Style

Now you have your meaningful concept, it's time to blend it with yours and your partner's style and aesthetic. Is your preferred style classic and timeless, vintage-inspired, clean and minimalist, or colourful and unique? Which shapes are you more drawn to? A really good tip is to think about how your partner's taste has changed over time. If there have been lots of changes, the ring needs to be more individual to her. If her style has stayed the same since her teens, a classic style may be best.

03

Choose The Perfect Diamond

At LMK, we understand that selecting the perfect diamond is a significant decision. Our in-house gemmologists provide expert guidance on every detail, from the renowned standards of GIA and IGI-certified diamonds to understanding the 4Cs - cut, colour, clarity, and carat weight. Lydia covers everything you need to make an informed and confident choice when choosing your diamond.

Start Your Journey

Create your bespoke engagement ring. Receive your complimentary design tailored exclusively to you/your partner. 

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