Brazilian Paraiba tourmaline 95.717ct raw stone
Sale price¥12,800
[Koshu Precious Stones Plusthree] Ametrine 5.170ct Loose Patch
Sale price¥45,800
Italian Leucite 0.346ct loose stone (play of color)
Sale price¥12,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 3.865ct Loose Stone
Sale price¥19,800
Myanmar Podretteite 0.238ct loose stone Nissaiho
Sale price¥35,800
[Camellia Cut] Ametrine 12mm/5.411ct {Collaboration} Loose Stone Patch
Sale price¥55,800
Brazilian Paraiba Tourmaline 264.681ct rough stone
Sale price¥12,800
Brazilian Paraiba Tourmaline 79.832ct rough stone
Sale price¥15,800
[Confetti] Lavender Quartz (Scorolite) 3.105ct Loose Stone
Sale price¥22,800
Tanzanian Kornerupine Cat's Eye 0.622ct Loose Stone
Sale price¥4,980
Sri Lankan Enstatite 2.567ct Loose Stone, Japan-Germany Exchange
Sale price¥19,800
《Yurakucho Marui 2024112 takeout》Pakistani Pargasite 0.344ct loose stone
Sale price¥29,800
Brazilian Pink Imperial Topaz 0.181ct Loose Stone
Sale price¥6,980
Madagascar Yellow Sapphire 0.283ct Loose
Sale price¥6,980
Madagascar sapphire 0.162ct loose stone
Sale price¥5,980
Madagascar sapphire 0.377ct loose stone
Sale price¥12,800
Tanzania Green Apatite 0.246ct Loose Stone
Sale price¥8,800
Tanzania Green Apatite 0.190ct Loose Stone
Sale price¥6,980
American Benitoite 0.084ct loose stone (colorless Benitoite)
Sale price¥12,800
Tanzania Green Apatite 0.329ct Loose Stone
Sale price¥8,800
Emerald 0.308ct loose stone
Sale price¥14,800
Mexican Cantera Opal 5.204ct Loose
Sale price¥12,800
Indian Moonstone 1.946ct Loose
Sale price¥14,800
Watermelon Tourmaline 9.232ct Loose Stone
Sale price¥12,800
Watermelon tourmaline 7.799ct rough stone
Sale price¥11,800
Watermelon tourmaline 6.575ct rough stone
Sale price¥9,800
Brazilian Alexandrite 0.062ct loose stone (princess cut)
Sale price¥15,800
Brazilian Alexandrite 0.068ct loose stone (princess cut)
Sale price¥17,800
Brazilian Alexandrite 0.093ct loose stone (princess cut)
Sale price¥25,800
Brazilian Alexandrite 0.069ct loose stone (princess cut)
Sale price¥17,800
Brazilian Alexandrite 0.068ct loose stone (princess cut)
Sale price¥17,800
Brazilian Alexandrite 0.072ct loose stone (princess cut)
Sale price¥18,800
Paraiba Tourmaline from Mozambique 0.512ct loose stone
Sale price¥25,800
Russian Diamond Rough (Sawable) 0.097ct Loose (Trigon)
Sale price¥25,800
[Sakura Incut] Amethyst 14mm/7.703ct Loose Patch
Sale price¥29,800
[Camellia Cut] Oregon Sunstone 14mm/2.102ct {Collaboration} Loose Patch
Sale price¥79,800
[Confetti Cut] Color Shift Amethyst 3.499ct Loose Stone
Sale price¥22,800
Greenland Tugtupite 0.140ct loose stone
Sale price¥15,800
Greenland Tugtupite 0.642ct loose stone
Sale price¥25,800
Greenland Tugtupite 0.546ct loose stone
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.
