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Design your ring
Start your designBegin a bespoke piece built around the diamond and budget that are right for you.
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Book a free consultation
Book appointmentSit down with us in Hatton Garden or by video. Real stones, honest advice, no pressure.
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Why JAY NICK
The diamond the certificate can't show you
A grading report lists a stone's four Cs. It can't tell you how it holds the light, whether it reads cloudy, or how its shade sits against your chosen metal.
Every JAY NICK diamond is chosen by eye — a standard built over two generations in the diamond trade.
Questions, answered
Do I need an appointment?
Yes — we work by appointment so you have our full attention and the right stones ready to see. Book online, by phone or by email and we'll confirm a time.
How does the design fee work?
A small design fee covers the consultation and CAD work. It's fully redeemed against your order when you go ahead.
How long does a bespoke piece take?
Around six weeks from approved render to a finished, hallmarked piece. We'll give you a firm date at your consultation.
Natural or lab-grown diamonds?
Both. Our natural diamonds carry GIA or IGI certificates; our lab-grown diamonds are IGI certified. We'll help you weigh the trade-offs for your budget.
Do you offer resizing and aftercare?
Yes — every piece comes with lifetime aftercare, including cleaning and inspection. Resizing is available on most settings.
Still have questions?
Not sure where to start, or want to talk a stone through? Message us and we'll help — no obligation.














