[Koshu Precious Stones plusthree] Peridot 1.644ct Loose Stone Patch
Sale price¥49,800
Brazilian Imperial Topaz 0.764ct Loose Stone
Sale price¥19,800
Brazilian bicolor tourmaline 0.845ct loose stone
Sale price¥15,800
Indian Moss Agate 0.755ct Loose Stone
Sale price¥7,980
Indian Moss Agate 1.182ct Loose Stone
Sale price¥11,800
Indian Moss Agate 1.434ct Loose Stone
Sale price¥12,800
Brazilian Lepidocrocite in Quartz 0.721ct Loose Stone
Sale price¥14,800
Tourmaline 0.541ct loose stone
Sale price¥8,800
Brazilian Tourmaline 0.858ct Loose Stone
Sale price¥15,800
Brazilian bicolor tourmaline 0.326ct loose stone
Sale price¥8,800
Brazilian Pink Tourmaline 0.538ct Loose Stone
Sale price¥8,800
Brazilian Pink Tourmaline 0.855ct Loose Stone
Sale price¥14,800
Brazilian Sky Blue Topaz 5.246ct Loose Stone
Sale price¥18,800
Brazilian Brown Tourmaline 1.529ct Loose Stone
Sale price¥14,800
Brazilian Green Tourmaline 0.350ct Loose
Sale price¥9,800
Brazilian Limonite in Topaz 6.829ct loose stone
Sale price¥17,800
Brazilian Limonite in Topaz 5.709ct loose stone
Sale price¥9,800
Grace Spinel 0.384ct Loose
Sale price¥9,800
Brazilian bicolor euclase 0.239ct loose stone
Sale price¥18,800
Brazilian Euclase 0.117ct Loose Stone
Sale price¥12,800
Chameleon Diamond 0.057ct Loose (FANCY LIGHT GRAY GREEN, SI2)
Sale price¥29,800
Brazilian Green Tourmaline 0.757ct Loose Stone
Sale price¥39,800
Oregon Sunstone from the United States 0.976ct loose stone
Sale price¥12,800
Spanish Andalusite 0.776ct loose stone
Sale price¥11,800
Nigerian Cobalt Garnite 0.179ct Loose Stone JTL Catalog
Sale price¥15,800
Spanish bicolor sphalerite 3.504ct loose stone
Sale price¥38,800
1.953ct Bicolor Sphalerite from Spain
Sale price¥25,800
Bicolor Tourmaline 13.489ct Loose
Sale price¥9,800
Bicolor tourmaline 9.199ct loose stone
Sale price¥9,800
Bicolor tourmaline 3.468ct loose stone
Sale price¥6,980
Bicolor tourmaline 7.532ct loose stone
Sale price¥9,800
Bicolor tourmaline 7.809ct loose stone
Sale price¥9,800
Pakistani Oil in Quartz 0.328ct Loose Stone
Sale price¥8,800
Tanzanite from Tanzania 0.492ct loose stone
Sale price¥14,800
Myanmar Blue Spinel 0.650ct Loose
Sale price¥12,800
Myanmar pink spinel 0.520ct loose stone
Sale price¥12,800
Brazilian Moss Agate 1.065ct Loose Stone
Sale price¥12,800
Goshenite 0.306ct loose stone
Sale price¥6,980
Nigerian Aventurine Aquamarine 1.164ct Loose Stone
Sale price¥12,800
Nigerian Aventurine Aquamarine 0.803ct Loose Stone
Sale price¥8,800
Goshenite 0.852ct loose stone
Sale price¥8,800
Tanzanite from Tanzania 1.250ct loose stone
Sale price¥22,800
Kunzite from Afghanistan 0.799ct loose stone
Sale price¥6,980
Tanzania Zoisite 1.000ct Loose Stone
Sale price¥19,800

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.