Complimentary insured shipping Lifetime care on every certified diamond 30-day easy returns
The House Of Certified Diamonds

Brilliance, Composed By Hand

Independently graded diamonds set into hallmarked gold — an atelier where every solitaire is chosen, matched and finished by our master jewellers.

Shop The Edit

Curated Editions

Rings, earrings and everyday diamonds — each piece certified, hallmarked and finished by hand.

The Signature Edit

Most Coveted

Products will appear here when they are returned by the API.

In Focus

The Round Brilliant, Reimagined

Fifty-seven facets, cut to a hair's precision so that every ray of light returns as fire. Our signature round-brilliant solitaires are chosen for symmetry and polish, then hand-set into hallmarked gold — the quiet centrepiece of a collection built to last.

Independently Certified Every diamond graded for the 4Cs by an accredited laboratory.
Hallmarked Gold Solid, hallmarked precious metal — never plated, never filled.
Hand-Finished Matched, set and polished by our master jewellers.
Lifetime Care Complimentary cleaning, re-rhodium and re-sizing for life.
Shop Solitaires
Story Of The Month
A diamond is the only gift that keeps the light of the day it was given. We choose ours the way a jeweller has for a century — by eye, by loupe, and by hand.
Read The Journal
Creative Spotlights

Notes From The Atelier

Style Notes

Spot Your Pair Of Diamonds

Layer a solitaire pendant with everyday studs, or stack a halo band beside a plain hallmarked ring. Our consultants curate the pairings; you make them yours.

Explore The Edit
Good To Know

Diamond FAQs

Everything you might want to ask before choosing your piece.

Yes. Every diamond is independently graded for cut, colour, clarity and carat by an accredited laboratory such as IGI, and each order ships with its certificate.

More About Website-115

Diamonds, Composed By Hand

Website-115 is an atelier of fine diamond jewellery. Every stone is independently graded for the 4Cs — cut, colour, clarity and carat — then matched, set and finished by hand into hallmarked gold. From a first solitaire to a bridal set that marks the moment, each piece is composed to be treasured and worn for a lifetime.

Certified, Ethical, Effortless

Choose natural or lab-grown — both conflict-free, both independently certified, both cut to the same standard. Rose, white and yellow gold; halo and prong settings; studs and drops. Whatever the occasion, Website-115 makes the diamond that becomes part of your story.

The Atelier Circle

Members-First Access

Be first to preview new editions, private viewings and members-only offers on certified fine jewellery.