• 2003

    Birth of Core Jewels

  • 2003

    MERCURY
    Announcing the first collection with black diamonds as the keystone

  • 2003

    MERCURY
    First collection with black diamond as the keystone

  • 2003

    CJ BLACK

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

  • 2004

    ANTERES
    Antares star and diamond collection announced

  • 2004

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

  • 2004

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

  • 2004

    MOBIUS

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

  • 2005

    ARGUS
    Introducing the Diamond Pill Case Collection

  • 2005

    ALECT

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

  • 2005

    TIM BURTON'S
    THE NIGHTMARE BEFORE CHRISTMAS

    Introducing diamond jewelry through collaboration

  • 2005

    ADAMAS

    Announcing a fusion collection of diamonds and hearts

  • 2005

    MAIA

    Inventing "Solitaire My Settings with a modern interpretation"

  • 2005

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

  • 2006

    VOALCAN

    Announcing a cutting ring collection using a special manufacturing method.

  • 2006

    FRAGMENT DESIGN

    Introducing a black diamond silk bracelet through collaboration

  • 2006

    FRAGMENT DESIGN

    through collaboration

    Announcing the key hook

  • 2006

    MASTERMIND JAPAN
    Introducing a diamond skull ring through collaboration

  • 2007

    SELENA

    Introducing new pave setting collection

  • 2007

    LIOS
    Architectural and heavy ring

  • 2007

    CRIOUS ENGAGEMENT

    Announcement of engagement ring from Kleios collection

  • 2008

    AMALTHAEA

    Inspired by family crests

    Announcing the collection

  • 2009

    NUMERAL

    Announcing a collection modeled after Arabic numerals

  • 2009

    GORGON
    diamond bone ring collection

  • 2009

    UNDERCOVER

    through collaboration

    Introducing pyramid stud diamond leather bracelet

  • 2010

    ADAMAS

    Diamond-shaped chatons

    Invented the Adamasu setting

  • 2010

    ADRASTEA
    Heavy pave setting collection

  • 2010

    LOOK BOOK 2010
    Photo by Koichi Doi
    in Tokyo,Japan

  • 2011

    BIOTOP
    Introducing a deerskin necklace through collaboration

  • 2012

    LOOK BOOK 2012
    Photo by Hiroshi Kutomi
    Model by Rila Fukushima

  • 2013

    AION
    Presenting a collection inspired by arabesques

  • 2013

    FRAGMENT DESIGN
    through collaboration

    Introducing cable tie bracelet

  • 2013

    UNDERCOVER

    Collaboration to release collection of thorns and padlocks

  • 2013

    DRYADES
    carabiner collection

  • 2013

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

  • 2013

    DAIDO MORIYAMA

    Installation with photographer Daido Moriyama

    “SUBSTANCE” held

  • 2014

    ONE

    The world's first NFC-equipped diamond jewelry

    [one] announced

  • 2015

    SONY

    Announcing collaboration with NFC-equipped collection [one]

  • 2016

    MESH

    Introducing mesh diamond collection

  • 2016

    U-LOCK

    Announcing the Yurock Collection

  • 2016

    TOMOKAZU MATSUYAMA

    through collaboration

    Introducing baseball caps and T-shirts

  • 2017

    C MADE

    Custom-made projects that create unique value in the world

  • 2017

    LIFE COLLENTION

    "Carve your life"
    Announcing the custom made collection

  • 2017

    NEIGHBORHOOD

    through collaboration

    Introducing a leather necklace

  • 2020

    SIGU

    due to distortion

    Introducing signet ring

  • 2020

    DT

    Announcement of abstract ring using distortion

  • 2021

    FLC
    Introducing flat link chain

  • 2021

    NEXUS VII.

    Introducing Mexican cross through collaboration

  • 2022

    FLC for Apple Watch

    Announcing a special bracelet from FLC

  • 2023

    GR8