Cut
How precisely the stone is proportioned, and the single greatest influence on how it returns light. A well-cut diamond outshines a larger, poorly cut one.
Start hereThe Arya Treasury
Five vaults, each holding stones chosen for their character, certified and waiting to be found.
Every stone independently graded
Tracked and covered door to door
Time to be certain
Encrypted payment on every order
Certified Excellence
Every stone we offer is independently graded by GIA or IGI and hand-selected for cut, life and eye-clean clarity, so you buy to a standard rather than a promise.
Find Your Range
Know your number, find your stone.
Exceptionally Rare
Natural fancy colour diamonds. Fewer than one in ten thousand mined stones show colour like this.
The Arya Promise
Buying a diamond should feel as considered as wearing one. Every stone passes through the same three steps before it reaches you.
We look beyond the grade for cut, brilliance and character, so every stone earns its place.
Each diamond carries a GIA or IGI report you can verify before you commit.
Tracked and covered door to door, with 30 days to be certain.
Understanding Quality
Every certified stone is graded against the same four criteria. Knowing what they mean is the difference between buying a number and buying a diamond.
How precisely the stone is proportioned, and the single greatest influence on how it returns light. A well-cut diamond outshines a larger, poorly cut one.
Start hereGraded from D to Z, where D is entirely colourless. Most people cannot detect warmth above H, which is where value often sits.
D to H recommendedThe natural marks formed inside the stone as it grew. At VS2 and above these are invisible without magnification.
VS2+ is eye-cleanA measure of weight rather than size. Two stones of equal carat can look markedly different depending on how they are cut.
Weight, not sizeDiamond Concierge
Choosing a diamond is personal. Our specialists will compare stones with you, walk you through each certificate and help you find the one, with no pressure and no rush.
Your bag is empty. Explore our certified diamonds and gemstones to begin.
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