Bicolor tourmaline 0.707ct loose
Sale price¥14,800
Bicolor tourmaline 4.118ct loose
Sale price¥69,800
[Mr. Sanjay] Gamesite in Amethyst 0.806ct loose
Sale price¥6,980
[Mr. Sanjay] Gamesite in Amethyst 0.759ct loose
Sale price¥7,980
Brazilian emerald cat's eye 0.459ct loose
Sale price¥6,980
《Yurakucho Marui 2024112 takeout》Diamond 0.109ct loose (F, SI1)
Sale price¥22,800
Bicolor sapphire 0.484ct loose (color shift)
Sale price¥19,800
[KEN] Opal from Mexico 0.982ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.129ct loose (CuO:0.8%,MnO:0.1%)
Sale price¥48,800
Paraiba tourmaline from Brazil 0.101ct loose (CuO:0.9%,MnO:0.1%)
Sale price¥39,800
Paraiba tourmaline from Brazil 0.211ct loose (CuO:0.6%,MnO:3.1%)
Sale price¥49,800
Blue tourmaline from Afghanistan 0.502ct loose
Sale price¥12,800
Blue tourmaline from Afghanistan 0.448ct loose
Sale price¥11,800
Blue tourmaline from Afghanistan 0.311ct loose
Sale price¥9,800
Blue tourmaline from Afghanistan 0.279ct loose
Sale price¥8,800
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
Color change sapphire 0.283ct loose
Sale price¥4,980
Color change sapphire 0.401ct loose
Sale price¥6,980
[Mr. Sanjay] Opal 7.3mm/1.033ct loose
Sale price¥12,800
[Mr. Sanjay] Opal 6.9mm/0.843ct loose
Sale price¥8,800
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
Ludwigite imperidot 1.475ct loose
Sale price¥5,980
Ludwigite imperidot 1.450ct loose
Sale price¥6,980
Ludwigite imperidot 1.744ct loose
Sale price¥6,980
Ludwigite imperidot 1.589ct loose
Sale price¥6,980
Color change sapphire 0.351ct loose
Sale price¥4,980
Color change sapphire 0.308ct loose
Sale price¥3,980
Brazilian blue tourmaline 0.376ct loose
Sale price¥8,800
[Mr. Sanjay] Aquamarine 1.574ct loose
Sale price¥12,800
Aquamarine 0.617ct loose
Sale price¥8,800
Bicolor sapphire 1.030ct loose from Windsor, Tanzania
Sale price¥98,000
Salt and pepper diamond 0.383ct loose
Sale price¥17,800
Salt and pepper diamond 0.366ct loose
Sale price¥15,800
Salt and pepper diamond 0.553ct loose
Sale price¥24,800
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.