Blue tourmaline from Afghanistan 0.213ct loose
Sale price¥5,980
Blue tourmaline from Afghanistan 0.209ct loose
Sale price¥6,980
Blue tourmaline from Afghanistan 3.5mm/0.178ct loose
Sale price¥6,980
Paraiba tourmaline from Brazil 0.219ct loose (CuO:0.9%,MnO:0.2%)
Sale price¥88,800
[Mr. Sanjay] Yellow tourmaline 0.431ct loose
Sale price¥5,980
Brazilian bicolor tourmaline 3.291ct loose
Sale price¥39,800
Brazilian bicolor tourmaline 3.569ct loose
Sale price¥49,800
Green tourmaline from Mozambique 0.490ct loose
Sale price¥18,800
Bicolor tourmaline 0.505ct loose (rose cut)
Sale price¥8,800
Bicolor tourmaline 0.669ct loose (rose cut)
Sale price¥9,800
Bicolor tourmaline 0.549ct loose (rose cut)
Sale price¥9,800
Brazilian blue tourmaline 0.376ct loose
Sale price¥8,800
Brazilian Paraiba tourmaline 0.370ct loose (CuO:1.0%, MnO:1.2%)
Sale price¥69,800
Paraiba tourmaline from Mozambique 0.351ct loose
Sale price¥19,800
Paraiba tourmaline from Mozambique 0.266ct loose
Sale price¥29,800
Unheated Brazilian Paraiba tourmaline 0.108ct loose
Sale price¥128,000
Paraiba tourmaline from Brazil 0.144ct loose (CuO:0.9%,MnO:2.8%)
Sale price¥55,800
Bicolor tourmaline 0.418ct loose
Sale price¥5,980
Bicolor tourmaline 18.401ct rough stone (indigolite tourmaline)]
Sale price¥32,800
[KEN] Tourmaline from Africa 0.813ct loose
Sale price¥9,800
Yellow tourmaline 2.290ct loose
Sale price¥8,800
Paraiba tourmaline from Brazil 0.055ct loose (CuO:1.5%,MnO:3.2%)
Sale price¥45,800
Paraiba tourmaline from Brazil 0.066ct loose (CuO:1.7%,Mn0:2.1%)
Sale price¥35,800
Green tourmaline 9.537ct loose
Sale price¥98,000
Paraiba tourmaline from Brazil 0.252ct loose (CuO:0.9%, MnO:2.0%)
Sale price¥39,800
Paraiba tourmaline from Brazil 0.265ct loose (CuO:0.7%, MnO:3.0%)
Sale price¥39,800
Tourmaline from Sri Lanka 4.860ct loose
Sale price¥15,800
Pink tourmaline cat's eye 5.460ct loose
Sale price¥15,800
Bicolor tourmaline 6.40ct loose
Sale price¥9,800
Brazilian Paraiba tourmaline 0.229ct loose (CuO:0.8%, MnO:2.2%)
Sale price¥45,800
Bicolor tourmaline 0.795ct loose (rose cut)
Sale price¥12,800
[KEN] Tourmaline 0.424ct loose
Sale price¥3,980
[KEN] Mint tourmaline 3.2mm/0.164ct loose
Sale price¥3,980
[Cat cut] Bicolor tourmaline 5mm/0.438ct《Collaboration》 Loose
Sale price¥12,800
Paraiba tourmaline from Mozambique 1.481ct loose (CuO:0.3%, MnO:4.3%)
Sale price¥198,000
Watermelon tourmaline 5.554ct loose
Sale price¥9,800
Pink tourmaline 0.307ct loose
Sale price¥5,980
Chrome tourmaline 0.852ct loose
Sale price¥19,800
Paraiba tourmaline 141.447ct raw stone from Brazil
Sale price¥12,800
Brazilian Paraiba tourmaline 133.699ct raw stone
Sale price¥12,800
Paraiba tourmaline 112.501ct raw stone from Brazil
Sale price¥12,800
Brazilian Paraiba tourmaline 181.342ct raw stone
Sale price¥12,800
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.