The company
Lumière operates in the e-commerce space, where expectations are high and the margin for error is small.
Lumière sells high-end jewellery where the online experience has to feel as premium as the products. A standard store template simply wasn't going to cut it.
The problem they faced
Selling luxury online means earning trust and conveying craftsmanship through a screen - while keeping the store fast and easy to shop.
Left unsolved, this capped growth and added friction for the team and their customers alike - which is what prompted them to look for a partner who could fix it properly.
Why they came to Ecomsy
After comparing several agencies, Lumière chose Ecomsy for our senior, end-to-end team - one group handling strategy, design, development, and QA - and our track record of shipping e-commerce products that actually perform in production.
The challenges we had to solve
- Meeting ambitious goals in e-commerce without blowing the budget or the timeline.
- Building something secure, reliable, and ready for real-world load from day one.
- Keeping the experience simple for end users while handling real complexity underneath.
- Making sure the Lumière team could own, run, and extend the product after launch.
The options we weighed
We mapped a few possible directions together: an off-the-shelf platform, a lightly customised template, or a purpose-built solution. Off-the-shelf was fast but too rigid for what Lumière needed; a template would have saved time upfront but cost far more later. We weighed cost, speed, control, and long-term flexibility side by side.
What we chose - and why
We chose a purpose-built approach on a modern Next.js stack - the option that best balanced time-to-market with the control and scalability Lumière needed. It let us tailor every part of the experience while keeping the codebase clean and easy to extend.
Our approach
Discovery
We mapped Lumière's goals, users, and constraints to shape a focused, realistic plan, and agreed on what success would look like.
Design & prototyping
We designed the flows and interface, then validated the direction early with clickable prototypes before a line of production code was written.
Development
Our team built Lumière in milestones with clean, scalable, well-tested Next.js code - so progress was visible the whole way through.
Launch & support
We shipped, monitored performance closely, and stayed on to refine, fix, and add features after go-live.
How we solved it
Working in milestones, we built and shipped the core of the product, then layered in the details:
- Custom storefront with 3D product visualisation
- Virtual try-on using the device camera
- Concierge service and appointment booking
- A refined, conversion-focused checkout
- Editorial product storytelling throughout
The results
“The store feels as premium as our jewellery. Conversions speak for themselves.” - Founder, Lumière
The impact
Today, Lumière delivers measurable results - 2.4x conversion and counting - with a solid technical foundation and a partner to keep improving it. The problem that once held them back is now a strength they can build on.
What the client says
SL“The store feels as premium as our jewellery. Conversions and average order value both jumped within weeks.”