Australian rainbow lattice sunstone 0.378ct loose
Sale price¥3,980
Montana Sapphire 0.515ct loose (bicolor sapphire)
Sale price¥15,800
Cambodian blue zircon 0.197ct loose
Sale price¥5,980
Cambodian blue zircon 0.267ct loose
Sale price¥6,980
Cambodian blue zircon 0.217ct loose
Sale price¥6,980
Cambodian blue zircon 0.258ct loose
Sale price¥6,980
Mali Garnet (Grossular/Andradite Garnet) 0.675ct Loose Stone
Sale price¥15,800
Australian Rainbow Lattice Sunstone 3.504ct Loose Stone
Sale price¥29,800
Brazilian Blue Tourmaline in Quartz 4.256ct Loose Stone
Sale price¥19,800
Brazilian Dumortierite in Quartz 0.642ct Loose Stone
Sale price¥8,800
Australian black opal 0.758ct loose stone
Sale price¥35,800
Zambian Canary Yellow Tourmaline 0.158ct Loose Stone
Sale price¥9,800
Australian Black Opal 0.387ct Loose
Sale price¥18,800
Oregon Sunstone 8.256ct rough stone
Sale price¥9,800
Green tourmaline 0.090ct loose stone
Sale price¥5,980
Bicolor Zoisite 0.392ct loose stone
Sale price¥7,980
Moss agate 0.720ct loose stone
Sale price¥6,980
Brazilian Limonite in Topaz 6.579ct loose stone (with rainbow)
Sale price¥18,800
Spanish bicolor sphalerite 1.686ct loose stone
Sale price¥29,800
Bloodshot Iolite Sunstone 2.121ct Loose
Sale price¥12,800
[Rouge Cut] Mexican Fire Opal 1.458ct Loose Stone
Sale price¥18,800
[Rouge Cut] Pink Tourmaline from Brazil 0.440ct Loose
Sale price¥9,800
Loose Brazilian rose amethyst, 2.626 ct
Sale price¥9,800
Brazilian Amethyst 2.975ct Loose Stone
Sale price¥9,800
Tanzanian Kornerupine Cat's Eye 0.986ct Loose Stone
Sale price¥5,980
Green Zoisite 0.703ct Loose Stone
Sale price¥22,800
Nigerian Star Enstatite 0.880ct Loose Stone
Sale price¥12,800
Cambodian Blue Zircon 0.348ct Loose Stone
Sale price¥6,980
Tanzanian Kornerupine Cat's Eye 1.331ct Loose Stone
Sale price¥5,980
Brazilian Apatite in Jasper 1.477ct Loose Stone
Sale price¥5,980
Brazilian Imperial Topaz 0.153ct Loose
Sale price¥5,980
Brazilian Imperial Topaz 0.349ct Loose Stone
Sale price¥12,800
Brazilian Imperial Topaz 0.357ct Loose Stone
Sale price¥12,800
Mica in Quartz 0.864ct Loose Stone
Sale price¥5,980
Mica in Quartz 0.760ct Loose
Sale price¥5,980
Mica in Quartz 0.588ct Loose Stone
Sale price¥5,980
Australian black opal 2.277ct loose stone (play of color on both sides)
Sale price¥34,800
Mexican egg-in-opal 0.865ct loose stone
Sale price¥12,800
Mexican egg-in-opal 0.672ct loose stone
Sale price¥11,000
Gray Diamond 0.158ct Loose (FANCY DARK GRAY, I-1)
Sale price¥45,800
Australian Black Opal 0.956ct Loose Stone
Sale price¥39,800
USA-origin Oregon Sunstone, 7.0mm/1.356ct loose
Sale price¥35,800
Medusa Quartz (Paraiba Quartz) 1.666ct loose
Sale price¥18,800
Tanzanian Kornerupine 0.198ct loose stone
Sale price¥18,800
Why not take your favorite gemstone that you found at KARATZ and have it made into custom-made jewelry? It will be made by skilled Japanese craftsmen.
We carefully craft each piece of jewelry, starting with the stone setting, to match the individual characteristics of the gemstone.
So that more people can feel closer to jewellery and enjoy it easily.
We will introduce KARATZ's thoughts on products, the attention to detail and efforts in selecting gemstones and creating jewelry.
KARATZ's Initiatives and Social Contributions
We will introduce KARATZ's efforts, including nurturing the next generation and business collaboration to develop the industry, and supporting children in Sri Lanka, the land of jewels.
KARATZ Books
These are books that KARATZ has been involved in writing, supervising, and planning. They are all books that allow you to enjoy gemstones from various angles. You can also purchase them directly.
jeweler's tools
For those who want to enjoy jewelry more but don't know what tools to use, we will introduce tools that are also used by KARATZ staff. You can also purchase them directly.