Synthetic Alexandrite 0.405ct loose stone
Sale price¥9,800
Synthetic Alexandrite 0.471ct loose stone
Sale price¥14,800
Synthetic Alexandrite 1.519ct loose stone
Sale price¥29,800
Brazilian Dendritic Agate 3.575ct Loose Stone
Sale price¥9,800
Brazilian copper rutilated quartz 1.352ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.381ct loose stone
Sale price¥8,800
Pakistani Veirinite 0.073ct loose stone
Sale price¥11,000
Bolivian Ametrine 31.854ct loose stone
Sale price¥49,800
American Red Beryl 0.126ct Loose
Sale price¥29,800
[12552306] Iolite 14.158ct loose stone
Sale price¥258,000
American Red Beryl 0.132ct Loose
Sale price¥33,800
Brazilian Indigolite Tourmaline 7.002ct Loose Stone, Japan-Germany Exchange
Sale price¥198,000
Spessartite Garnet from Madagascar 1.053ct loose stone
Sale price¥29,800
Sri Lankan bicolor sapphire 1.109ct loose stone
Sale price¥19,800
[E_27 Yurakucho Marui Takeout] Bicolor Tourmaline 4.448ct Loose
Sale price¥55,800
[E_27 Yurakucho Marui Take-out] Bicolor Andesine 1.485ct Loose Stone
Sale price¥17,800
Tibetan bicolor andesine 1.485ct loose stone (color change andesine)
Sale price¥18,800
Mongolian bicolor andesine (color change andesine) 1.305ct loose stone
Sale price¥15,800
Bicolor Tourmaline 0.991ct Loose
Sale price¥29,800
Brazilian bicolor tourmaline 1.538ct loose stone
Sale price¥39,800
Colombian mint color emerald 0.294ct loose stone
Sale price¥9,800
Colombian mint color emerald 0.158ct loose stone
Sale price¥5,980
Colombian mint color emerald 0.136ct loose stone
Sale price¥6,980
Colombian mint color emerald 0.155ct loose stone
Sale price¥7,980
Unheated color change sapphire 1.070ct loose stone
Sale price¥158,000
Benitoite 0.272ct loose stone (emerald cut)
Sale price¥248,000
Namibian Jeremejevite 0.261ct loose stone
Sale price¥69,800
Green Spodumene 6.419ct loose stone
Sale price¥29,800
Diamond 0.042ct loose (VS class equivalent, emerald cut)
Sale price¥8,800
Colombian pyrite-mica emerald 0.844ct loose stone
Sale price¥35,800
Bicolor Citrine 8.362ct Loose
Sale price¥8,800
[E_27 Yurakucho Marui Take-out] Tanzanian Rhodolite Garnet 6.091ct Loose
Sale price¥19,800
Madagascar Bicolor Sphene 1.551ct Loose Stone
Sale price¥19,800
Brazilian bicolor tourmaline 1.675ct loose stone
Sale price¥39,800
[E_27 Yurakucho Marui Take-out] Spanish Bicolor Sphalerite 1.686ct Loose
Sale price¥29,800

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.