THE PERFECT DIAMOND
The world’s largest
Perfect Diamond
52.09 carats. D colour, Flawless, Triple Excellent and Type IIa.
Discover the jewel52.09 CT
Exceptional jewels, selected worldwide
Discover something extraordinary
Some beauty goes beyond a photograph or a grading report.
Its colour, its brilliance, its presence—
experience it in person, in Tokyo.
1Perfect Diamonds
52.09 ct
2Colombian Emerald
68.23 CT
3Natural Red Diamond
1.01 CT · FANCY RED
4Cartier Écho Earrings
6.32 + 6.03 CT
5Emerald Ring
EMERALD 50.25 CT
6No-Oil Emerald
20.32 CT · GRS
7Royal Blue Sapphire
17.38 CT · GÜBELIN
8Unheated Colour-Change Sapphire
39.71 CT · GIA
9Ruby & Diamond Ring
DIAMONDS 11.17 CT · RUBIES 4.30 CT
10Four-Strand Royal Blue Sapphire Necklace
SAPPHIRES 23.7 CT
11Ruby & Diamond Necklace
RUBIES 26.34 CT
12Unheated Pigeon Blood Ruby
5.01 CT · AIGS
13Paraíba Tourmaline
7.36 CT · GIA
14Natural Red Diamond
0.75 CT · GIA
15Kashmir Sapphire
15.00 CT
An eye for the exceptional
34 years
devoted to jewels
A gemstone’s value goes beyond the numbers on its report.
Colour, brilliance, proportion and rarity.
And, when you see it in person,
that unmistakable sense of connection.
Years spent discovering jewels around the world inform the way we share their individual character.
Bespoke, beginning with the rough
One of a kind
From rough crystal to remarkable jewel
We study each rough stone and consider the cut that will reveal its light.
From selecting the rough to cutting, design and setting,
we work with you to create a jewel that is uniquely yours.
These images illustrate examples of our work; they do not show one continuous production process.
Your story, expressed in a jewel
A jewel for life’s milestones
A birthday, an anniversary, or a personal milestone:
commission a bespoke jewel to mark what matters to you.
PRIVATE SALON · SHIROKANE, TOKYO
An invitation to discover
at your own pace
In our private salon in Shirokane, Tokyo,
view and compare the jewels that interest you.
From their colour and brilliance to how they feel when worn,
take the time to explore.
You are welcome to visit before making a decision to purchase.
Plan your private viewing