Save your money. Work directly with diamond experts who manufacture diamonds first-hand — and craft bespoke pieces at prices retail can't touch.
Tell us about the piece you have in mind — it only takes two minutes. A diamond expert will follow up personally.
A diamond expert will reach out personally within one business day.
Prefer to call? +44 746 632 1861 — a real person always picks up.
Instead of buying from 4th hand in the supply chain - buy directly from the source, we get our diamonds directly from mines in South Africa being first hand , from mine to market.
Direct sourcing means no middlemen, no markups. You get a superior stone at a price that would be impossible on the high street.
We create a detailed CAD design for your approval before production begins. No surprises — just exactly what you envisioned.
We hand-select 2–4 diamond options based on your brief. Every stone is chosen for cut quality and brilliance — not just carat weight.
From raw stone to finished piece — everything is handled by our team. No outsourcing, no compromise on quality.
No diamond experience needed. We guide you through every decision — in person at Hatton Garden or online.
Share what you're looking for, your preferred style, and your budget. We'll take it from there — no pressure, just honest advice.
We present 2–4 hand-selected diamond options tailored to your brief. Every stone is certified and chosen for exceptional cut and brilliance.
Our designers create a CAD rendering of your piece. You approve every detail before we begin production — typically 2–3 weeks.
We send you a video of the finished piece. Pay the balance and collect from Hatton Garden — or we ship securely to your door.
Trusted by clients across London, the UK, and internationally
"Amazing service from a company that really knows what they are doing. From start to finish you will be treated like royalty — they cater for your every request and customise to your needs. Highly recommend First Diamonds."
"Excellent service from John and the First Diamonds team. The experience was warm, professional and transparent. They explained every detail about quality and certification, making the whole process feel safe and informed. Never pushy — genuinely focused on finding the right stone."
"I had a fabulous experience with First Diamonds! Heidi was a pleasure to work with, very knowledgeable and helped me look through many options to find the perfect jewellery. The pieces are stunning and well priced. I can't recommend First Diamonds enough!"



Still have questions? Book a consultation — we're happy to walk you through everything.
Design Your Dream RingOnce you've approved the CAD design, production typically takes 2–3 weeks. If you have a deadline, let us know upfront and we'll do our best to accommodate.
Significantly. We source diamonds first-hand from mines in South Africa, cutting out every middleman. Most clients find they get a noticeably better stone at 30–50% less than high street prices.
Absolutely. We present 2–4 hand-selected options for you to compare in person at our Hatton Garden showroom — or via video call if you're remote.
Yes. We work with clients across the UK and internationally. Finished pieces are shipped fully insured via secure courier.
Most of our clients start with just a rough idea or a budget. We'll guide you through styles, diamond shapes, and designs — that's what the consultation is for.