Birth of Core Jewels

MERCURY
Announcing the first collection with black diamonds as the keystone

MERCURY
First collection with black diamond as the keystone

CJ BLACK

We have devised a coating that combines platinum metal into a unique color.

REVOLUTION

Brand DNA Pendant

ANTERES
Antares star and diamond collection announced

MERCURY-G
From the DNA collection
[G] line announced

MERCURY-A
From the DNA collection
[A] line announced

MOBIUS

Announcing a collection that combines ∞ = creativity and X = infinity

ARGUS
Introducing the Diamond Pill Case Collection

ALECT

Announcing a bead collection made of diamonds with through-holes connected to them.

TIM BURTON'S
THE NIGHTMARE BEFORE CHRISTMAS

Introducing diamond jewelry through collaboration

ADAMAS

Announcing a fusion collection of diamonds and hearts

MAIA

Inventing "Solitaire My Settings with a modern interpretation"

LOOK BOOK 2005
Photo by Kanji Ishii
in Brooklyn, New York

VOALCAN

Announcing a cutting ring collection using a special manufacturing method.

FRAGMENT DESIGN

Introducing a black diamond silk bracelet through collaboration

FRAGMENT DESIGN

through collaboration

Announcing the key hook

MASTERMIND JAPAN
Introducing a diamond skull ring through collaboration

SELENA

Introducing new pave setting collection

LIOS
Architectural and heavy ring

CRIOUS ENGAGEMENT

Announcement of engagement ring from Kleios collection

AMALTHAEA

Inspired by family crests

Announcing the collection

NUMERAL

Announcing a collection modeled after Arabic numerals

GORGON
diamond bone ring collection

UNDERCOVER

through collaboration

Introducing pyramid stud diamond leather bracelet

ADAMAS

Diamond-shaped chatons

Invented the Adamasu setting

ADRASTEA
Heavy pave setting collection

LOOK BOOK 2010
Photo by Koichi Doi
in Tokyo,Japan

BIOTOP
Introducing a deerskin necklace through collaboration

LOOK BOOK 2012
Photo by Hiroshi Kutomi
Model by Rila Fukushima

AION
Presenting a collection inspired by arabesques

FRAGMENT DESIGN
through collaboration

Introducing cable tie bracelet

UNDERCOVER

Collaboration to release collection of thorns and padlocks

DRYADES
carabiner collection

PORTRAIT [LUXEDGE] 2013
Photo by Hiroshi Kutomi
in Tokyo.Japan

DAIDO MORIYAMA

Installation with photographer Daido Moriyama

“SUBSTANCE” held

ONE

The world's first NFC-equipped diamond jewelry

[one] announced

SONY

Announcing collaboration with NFC-equipped collection [one]

MESH

Introducing mesh diamond collection

U-LOCK

Announcing the Yurock Collection

TOMOKAZU MATSUYAMA

through collaboration

Introducing baseball caps and T-shirts

C MADE

Custom-made projects that create unique value in the world

LIFE COLLENTION

"Carve your life"
Announcing the custom made collection

NEIGHBORHOOD

through collaboration

Introducing a leather necklace

SIGU

due to distortion

Introducing signet ring

DT

Announcement of abstract ring using distortion

FLC
Introducing flat link chain

NEXUS VII.

Introducing Mexican cross through collaboration