Colombian emerald 1.435ct rough stone
Sale price¥18,800
Myanmar Pink Taaffeite 1.232ct Loose GIT
Sale price¥25,800
[Clover in cut] Oregon Sunstone 7mm/1.092ct {Collaboration} Loose patch
Sale price¥39,800
Tanzania Purple Zoisite Rough Stone 1.160ct
Sale price¥8,800
Zimbabwean Blue Apatite (UV type) 1.056ct loose stone
Sale price¥15,800
Brazilian pink tourmaline 1.458ct loose stone
Sale price¥39,800
Brazilian copper rutilated quartz 1.334ct loose stone
Sale price¥9,800
Oregon Sunstone from the United States 1.132ct loose stone
Sale price¥15,800
Sri Lankan Moonstone 1.959ct Loose
Sale price¥12,800
Tanzanian Almandine Garnet 1.103ct Loose Stone
Sale price¥9,800
Vietnam Aquamarine 1.309ct Loose Stone
Sale price¥12,800
Chinese bicolor fluorite 1.192ct loose stone
Sale price¥7,980
Chinese bicolor fluorite 1.088ct loose stone
Sale price¥7,980
Synthetic Opal 1.914ct Loose
Sale price¥15,800
Mexican Opal 1.199ct Loose (Contralus Opal)
Sale price¥39,800
YAG (Yttrium Aluminum Garnet) 7mm/1.686ct Loose Stone
Sale price¥12,800
Congo Carolite 6.2mm/1.481ct Loose Stone Japan-Germany Scale
Sale price¥29,800
Tanzania Bicolor Zoisite 1.608ct Rough Stone
Sale price¥12,800
Tourmaline 1.099ct loose
Sale price¥12,800
Pakistani Clinohumite 1.440ct Loose Stone, Japan-Germany Exchange
Sale price¥29,800
Purple zoisite from Tanzania 1.103ct loose Japanese German edition
Sale price¥98,000
Indian Moonstone 1.946ct Loose
Sale price¥14,800
Indian Moonstone 1.380ct Loose
Sale price¥9,800
Amazon Green Opal 1.372ct Loose (Faceted Cut)
Sale price¥8,800
Amazonian green opal 1.814ct loose stone (faceted cut)
Sale price¥9,800
Myanmar pink spinel 1.165ct loose stone
Sale price¥19,800
Synthetic Alexandrite 1.519ct loose stone
Sale price¥29,800
Brazilian Dendritic Agate 1.679ct Loose Stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.410ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.352ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.647ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.560ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.937ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.381ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.262ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.991ct loose stone
Sale price¥6,980
Brazilian copper rutilated quartz 1.610ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.889ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.465ct 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.

The fifth reprint has been decided and is now on sale at bookstores nationwide and online.
Written by KARATZ, book “Jewelry Illustrated Book”
The book provides explanations about over 300 types of gemstones, from new standard birthstones to rare stones that are hard to find, as well as a diary of our company representative, Mr. Koyama's, gemstone shopping experience in Thailand and Sri Lanka, and tips for photographing gemstones, allowing you to learn about the appeal of gemstones from various perspectives.