Brazilian Imperial Topaz 0.826ct Loose
Sale price¥18,800
Bicolor tourmaline 1.198ct loose
Sale price¥12,800
Brazilian Paraiba tourmaline in quartz 0.819ct loose
Sale price¥14,800
Brazilian Apatite in Jasper 1.477ct Loose Stone
Sale price¥5,980
Brazilian Imperial Topaz 0.357ct Loose Stone
Sale price¥12,800
Brazilian Imperial Topaz 0.349ct Loose Stone
Sale price¥12,800
Brazilian Imperial Topaz 0.153ct Loose
Sale price¥5,980
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
Medusa Quartz (Paraiba Quartz) 1.666ct loose
Sale price¥18,800
Brazilian Medusa Quartz (Paraiba Quartz) 0.400ct Loose
Sale price¥6,980
Sky blue topaz 0.563ct loose stone
Sale price¥5,980
Sky blue topaz 0.428ct loose stone
Sale price¥5,980
Brazilian imperial topaz 0.830ct loose
Sale price¥18,800
Green tourmaline 0.090ct loose stone
Sale price¥5,980
Bicolor tourmaline 0.423ct loose
Sale price¥12,800
Bicolor tourmaline 0.552ct loose
Sale price¥12,800
Bicolor tourmaline 0.548ct loose
Sale price¥6,980
Lepidocrocite in Quartz 0.768ct Loose
Sale price¥7,980
Lepidocrocite in Quartz 0.241ct Loose Stone
Sale price¥6,980
Lepidocrocite in Quartz 0.382ct Loose
Sale price¥6,980
Green tourmaline 0.637ct loose
Sale price¥8,800
Brazilian Limonite in Topaz 6.579ct loose stone (with rainbow)
Sale price¥18,800
Brazilian Medusa Quartz (Paraiba Quartz) 1.529ct Loose Stone
Sale price¥6,980
Brazilian Medusa Quartz (Paraiba Quartz) 1.241ct Loose Stone
Sale price¥6,980
Brazilian Medusa Quartz (Paraiba Quartz) 1.405ct Loose Stone
Sale price¥8,800
Brazilian dendritic quartz 3.608ct loose stone
Sale price¥8,800
Brazilian Medusa Quartz (Paraiba Quartz) 2.484ct loose stone
Sale price¥29,800
Blue Tourmaline 1.460ct Loose Stone Japan-Germany Exchange
Sale price¥39,800
Bicolor Tourmaline 0.649ct Loose Stone, Japan-Germany
Sale price¥12,800
Unheated Bicolor Paraiba Tourmaline 0.092ct Loose GIA
Sale price¥188,000
Bicolor Paraiba tourmaline 2.477ct loose DGL version
Sale price¥298,000
![[Available at 10 PM on February 15th] [Limited to 150 stones - New in Tucson] Brazilian Alexandrite Loose Stone (Top Quality, Melee Size, Hemachita Mine) [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/collage_ad2afbca-0932-4534-9b5f-3f15dd5cb7ef.png?v=1772583673&width=2250)
[Rouge Cut] Pink Tourmaline from Brazil 0.440ct Loose
Sale price¥9,800
Brazilian Lazulite 0.067ct Loose with certificate
Sale price¥39,800
Brazilian Lazulite 0.035ct Loose Stone with Certificate
Sale price¥24,800
Loose Brazilian rose amethyst, 2.626 ct
Sale price¥9,800
Brazilian Amethyst 2.975ct Loose Stone
Sale price¥9,800
Brazilian Dumortierite in Quartz 0.699ct Loose Stone
Sale price¥6,980
Brazilian Dumortierite in Quartz 0.910ct Loose Stone
Sale price¥9,800
Brazilian Dumortierite in Quartz 0.642ct Loose Stone
Sale price¥8,800
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.