Step-by-Step Guide to Creating a Custom Engagement Ring Online
Creating a unique, ethical engagement ring is easy with Skydiamond's online Ring Builder. In just a few steps you'll have your own custom lab grown diamond engagement ring made with the world's most sustainable man-made diamond, made in the Cotswolds. If you'd prefer a fully guided design process, our bespoke lab-grown diamond ring service works with you one-to-one from sketch to finished piece.
Step 1: Choose Your Setting & Metal
📌 Start with the setting style that suits you: solitaire, Oval, Emerald or Round brilliant. Including signature styles like Cosima, Stilla or Luna. If you're unsure which suits your stone, our engagement ring settings guide walks through every option.
📌 Pick your metal: Platinum, 18k yellow gold, 18k white gold, or 18k rose gold—all ethically sourced recycled metals. Read more about why we use recycled metals for engagement rings.


Step 2: Decide on Band Style
Do you want sparkle or simplicity?

- Add melee (small accent diamonds) around the band.
- Or choose a plain band for a minimalist look.
Step 3: Choose Your Diamond
Browse Skydiamond's carbon‑negative lab‑grown diamonds: once you've selected your preferred shape, then filter by carat size, colour, clarity, and cut quality. For a deeper dive into how the four Cs work together, see our complete engagement ring buying guide.

You'll immediately see how different options affect the price—giving you full control over your budget.
Step 4: Watch the Price Update Live
As you customise, the Ring Builder calculates your total cost in real time. That means no surprises—just a transparent price that reflects every personal touch you add.
Step 5: Confirm the Final Design
Once you're happy with the setting, metal, band style, and diamond, confirm your design.
What Happens Next?
- Once the final design is approved, your custom Skydiamond ring will be made to order using sustainable craftsmanship.
- Delivery time: Up to 8 weeks, from final design confirmation to arrival. Your piece is fully insured in transit.

Why Choose Skydiamond?
- Carbon-negative Skydiamond: their lab-grown diamonds are made using carbon captured from the atmosphere, powered by renewable energy in the Cotswolds.
- Ethical metals and traceability: every Skydiamond above 0.5 cts is laser-engraved with its unique code and certified for transparency.
- Browse our fine lab-grown engagement rings or our wider engagement jewellery collection for inspiration before you start.
- New to the process? Our engagement ring shopping guide covers everything from budget to certification.
- Discover your dream ring with our bespoke lab-grown ring designer.