Brazilian Green Tourmaline 42.854ct Loose Stone
Sale price¥198,000
Congo Dioptase 29.012ct rough stone
Sale price¥5,980
Congo Dioptase 24.371ct rough stone
Sale price¥9,800
Congo Dioptase 24.892ct rough stone
Sale price¥9,800
Congo Dioptase 32.632ct rough stone
Sale price¥15,800
Congo Dioptase 46.537ct rough stone
Sale price¥18,800
Congo Dioptase 45.698ct rough stone
Sale price¥18,800
Congo Dioptase 52.488ct rough stone
Sale price¥19,800
Congo Dioptase 79.498ct rough stone
Sale price¥31,800
Congo Dioptase 34.022ct rough stone
Sale price¥15,800
Congo Dioptase 85.471ct rough stone
Sale price¥34,800
Brazilian bicolor tourmaline 0.644ct loose stone
Sale price¥9,800
Brazilian bicolor tourmaline 1.046ct loose stone
Sale price¥15,800
Spodumene 1.844ct loose stone
Sale price¥12,800
Sri Lankan Green Zircon 0.456ct Loose Stone
Sale price¥6,980
Colombian Trapiche Emerald 0.712ct Loose
Sale price¥39,800
Tanzania Color Change Chrome Tourmaline 13.194ct Loose Stone Chuhokan
Sale price¥398,000
[Takeshi Yamamoto] Bicolor fluorite 15.624ct loose stone
Sale price¥45,800
Australian Prehnite 5.398ct loose stone
Sale price¥12,800
Colombian emerald 3.5mm/0.150ct loose stone
Sale price¥22,800
Emerald 0.484ct loose
Sale price¥18,800
Emerald 0.156ct loose stone
Sale price¥8,800
Madagascar Sphene 6.2mm/0.906ct Loose Stone
Sale price¥12,800
Madagascar Apatite 1.038ct Loose
Sale price¥12,800
Madagascar sphene 1.386ct loose stone
Sale price¥12,800
Madagascar sphene 0.673ct loose stone
Sale price¥15,800
Tanzania Green Zoisite 0.335ct Loose Stone
Sale price¥12,800
Brazilian emerald in quartz 2.810ct loose stone
Sale price¥4,980
Brazilian emerald in quartz 2.332ct loose stone
Sale price¥3,980
Australian Green Opal 4.990ct Loose
Sale price¥9,800
Brazilian bicolor tourmaline 0.582ct loose stone
Sale price¥6,980
American Peridot 1.084ct Loose Stone
Sale price¥9,800
Brazilian Green Tourmaline 0.703ct Loose Stone
Sale price¥15,800
Brazilian Green Tourmaline 0.764ct Loose Stone
Sale price¥9,800
Madagascar sphene 0.483ct 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.