Bicolor Euclase from Zimbabwe 0.033ct loose
Sale price¥28,800
Colombian pyrite-mica emerald 3.208ct loose stone
Sale price¥228,000
Montana Sapphire 0.244ct Loose (Bi-Color Sapphire)
Sale price¥8,800
Montana Sapphire 0.325ct Loose (Orange Sapphire)
Sale price¥8,800
Tanzania Bicolor Zoisite 0.397ct Loose Stone
Sale price¥8,800
Brazilian bicolor tourmaline 6.928ct loose stone (bicolor blue tourmaline)
Sale price¥298,000
Zimbabwean Blue Apatite (UV type) 1.056ct loose stone
Sale price¥15,800
Tanzanite from Tanzania 0.491ct loose stone
Sale price¥8,800
Tanzanite from Tanzania 0.466ct loose stone
Sale price¥8,800
Tanzanian Grape Garnet 0.785ct Loose Stone
Sale price¥9,800
Tanzania Magnesioaxinite 0.123ct loose stone by Nikkei
Sale price¥49,800
American Bicolor Benitoite 0.358ct Loose Stone by Nikkei
Sale price¥298,000
Madagascar sapphire 0.162ct loose stone
Sale price¥5,980
Madagascar sapphire 0.377ct loose stone
Sale price¥12,800
Brazilian Green Tourmaline 12.252ct Loose Stone
Sale price¥398,000
Colombian pyrite in emerald 6.415ct loose stone
Sale price¥298,000
Tanzanian Lavender Tanzanite 0.498ct Loose Stone
Sale price¥14,800
Tanzanian Lavender Tanzanite 0.382ct Loose Stone
Sale price¥12,800
Tanzanian Lavender Tanzanite 0.558ct Loose Stone
Sale price¥12,800
Tanzanian bicolor tanzanite 0.573ct loose stone
Sale price¥15,800
Tanzanian Lavender Tanzanite 0.577ct Loose Stone
Sale price¥15,800
Oregon Sunstone from the United States 0.736ct loose stone
Sale price¥8,800
Tanzanite from Tanzania 0.245ct loose stone
Sale price¥9,800
Tanzania Bicolor Zoisite 0.295ct Loose Stone
Sale price¥8,800
Tanzanite from Tanzania 0.385ct loose stone
Sale price¥9,800
Tanzania Bicolor Zoisite 0.286ct Loose Stone
Sale price¥8,800
Montana Sapphire 0.207ct Loose (Blue Sapphire)
Sale price¥8,800
[12549449 published] Montana Sapphire 0.263ct loose
Sale price¥8,800
Paraiba Tourmaline from Mozambique 0.360ct loose stone
Sale price¥18,800
American Red Beryl 0.147ct Loose
Sale price¥39,800

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.