Diamond Duo & Co.Diamond Duo & Co.
Est. MMXXIV

Made for you.

Our story

Jewelry that begins
with your story.

Diamond Duo & Co. was founded with one belief: that fine jewelry should be as individual as the person wearing it. The mass market offers beautiful pieces — but not your piece. We do.

We work with both natural and lab-grown diamonds — certified by GIA and IGI — because we believe the best stone for you is the one that fits your values, your budget, and your brief. Every piece is cast from scratch, set by hand, and finished to a mirror polish before it leaves our bench.

Our process is transparent by design. You see the stone certificates. You approve the CAD before anything is cast. You know exactly what you are paying for, and why. There are no surprises — only the piece you asked for, made to last a lifetime.

120+
Commissions completed
GIA / IGI
Certified every stone
4–6 wk
Avg. bench time
What we stand for

Our values.

01
Transparency
You see every stone certificate, every CAD render, and every price breakdown before anything is ordered. No surprises.
02
Ethical Sourcing
Every natural diamond is conflict-free, sourced from vetted suppliers. Lab-grown options available for the same brilliance with a lighter footprint.
03
Certification
Every stone comes with a GIA or IGI certificate. You verify your stone's provenance independently — we insist on it.
04
Craftsmanship
Each piece is hand-cast and hand-set by a single bench jeweller. Four to six weeks of deliberate, unhurried work.

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