Au Diamanté · Fine Jewelry
In full bloom.
Diamond jewelry made to be lived in — chosen stone by stone, set by hand, worn for no occasion but your own.
Explore the CollectionOur Collections
Worn by those who need no introduction.
Our Story
Set stone by stone.
Every Au Diamante diamond is VS clarity or better, set by hand with intention. We focus on unique designs — each one created through the singular vision of our founder, Mr. Au. Not mass-produced. Made to be yours.
Discover Our Story
Velours de Mer ("Velvet of the Sea")
She already knew.
A study in movement, elegance, and timeless luxury.
Discover the CollectionThe Au Diamanté Maison
Crafted with certainty.
Every piece begins with the stone. Every stone is chosen for a reason. Every reason is yours alone.
I
The Stone
Each diamond is selected individually — cut, clarity, and character chosen before the setting is designed around it.
II
The Setting
Every mount is made by hand in our atelier. Pavé, bezel, claw — the setting disappears so the light can speak.
III
The Piece
Finished, engraved, and delivered in the Au Diamanté case. Kept, not just worn. Passed on, not just gifted.
As worn
"I wore it the day I stopped waiting for an occasion. That was the occasion."
— A.M., Paris · The Tennis Stack
New Arrival
Elongated Cushion & Emerald Cut Sterling Silver Tennis Bracelet Stack
Affordable luxury, doubled. The Elongated Cushion & Emerald Cut Tennis Bracelet Stack pairs two hand-set sterling silver tennis bracelets for eye-catching, unapologetic shine you can layer day or night. This stackable jewelry duo delivers the high-end...
From$555.00
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As Worn
Follow the light.
