Tanzanian bicolor sapphire 0.118ct loose stone
Sale price¥4,980
Tanzanian bicolor sapphire 0.149ct loose stone
Sale price¥6,980
Tanzanian bicolor sapphire 0.152ct loose stone
Sale price¥6,980
Tanzanian bicolor sapphire 0.134ct loose stone
Sale price¥3,980
Tanzanian bicolor sapphire 0.128ct loose stone
Sale price¥6,980
Tanzanian bicolor sapphire 0.181ct loose stone
Sale price¥6,980
Synthetic Opal 1.914ct Loose
Sale price¥15,800
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
Bicolor sapphire 0.825ct loose stone
Sale price¥49,800
Bolivian Ametrine 36.887ct loose stone
Sale price¥98,000
Bolivian Ametrine 31.854ct loose stone
Sale price¥49,800
Bolivian Ametrine 16.867ct loose stone
Sale price¥39,800
Nigerian bicolor tourmaline 0.379ct loose stone
Sale price¥8,800
Tanzania Purple Zoisite 0.863ct Rough Stone
Sale price¥8,800
Amethyst 4.249ct rough stone
Sale price¥9,800
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
Bicolor Tourmaline 0.991ct Loose
Sale price¥29,800
Brazilian bicolor tourmaline 2.153ct loose stone
Sale price¥29,800
Brazilian bicolor tourmaline 1.538ct loose stone
Sale price¥39,800
Bicolor Zoisite 0.823ct rough stone
Sale price¥8,800
Purple Zoisite 2.617ct rough stone
Sale price¥13,800
Bicolor Tanzanite 1.677ct rough stone
Sale price¥8,800
Bicolor Tanzanite 3.856ct rough stone
Sale price¥19,800
Purple Zoisite 1.354ct rough stone
Sale price¥9,800
Bicolor Tanzanite 5.582ct rough stone
Sale price¥29,800
Ukrainian bicolor topaz 5.622ct loose stone
Sale price¥198,000
Benitoite 2.0mm/0.050ct loose stone (cabochon cut)
Sale price¥6,980
Namibian Jeremejevite 0.261ct loose stone
Sale price¥69,800
Brazilian Bicolor Euclase 2.4mm/0.051ct Loose Stone
Sale price¥22,800
Bicolor Citrine 8.362ct Loose
Sale price¥8,800
Madagascar Bicolor Sphene 1.551ct Loose Stone
Sale price¥19,800
Australian black opal 0.232ct loose stone
Sale price¥8,800
[E_27 Yurakucho Marui Takeout] Bicolor Tourmaline 1.074ct Loose
Sale price¥15,800
Brazilian bicolor tourmaline 1.675ct loose stone
Sale price¥39,800
Bicolor Zoisite 1.100ct Loose Stone (Bicolor Tanzanite)
Sale price¥19,800
Bicolor tanzanite 2.270ct loose
Sale price¥45,800
Green Zoisite 0.998ct Loose Stone
Sale price¥22,800
Bicolor Fluorite 0.909ct Loose
Sale price¥6,980

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.