Bicolor tourmaline 0.707ct loose
Sale price¥14,800
Bicolor tourmaline 4.118ct loose
Sale price¥69,800
[Mr. Sanjay] Preinite 5.3mm/0.469ct loose
Sale price¥4,980
[Mr. Sanjay] Preinite 5.8mm/0.626ct loose
Sale price¥5,980
[Mr. Sanjay] Preinite 5.6mm/0.565ct loose
Sale price¥5,980
[Mr. Sanjay] Orange zircon 0.453ct loose
Sale price¥4,980
[Mr. Sanjay] Pink zircon 0.508ct loose
Sale price¥9,800
[Mr. Sanjay] Zircon 0.414ct loose
Sale price¥4,980
[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
[Mr. Sanjay] Hackmanite 0.698ct loose
Sale price¥19,800
《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
[Mr. Sanjay] Synthetic rutile 10mm/4.872ct loose
Sale price¥39,800
Tinker Bell Quartz (Pink Fire Quartz) 8.5mm/1.715ct 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
Oregon Sunstone from the United States 2.731ct loose stone
Sale price¥39,800
Taaffeite from Myanmar 0.218ct loose
Sale price¥27,800
Paraiba tourmaline from Brazil 0.211ct loose (CuO:0.6%,MnO:3.1%)
Sale price¥49,800
Rhodochrosite 1.884ct loose from Detroit City, USA
Sale price¥198,000
Rhodochrosite 0.527ct loose from Detroit City, USA
Sale price¥49,800
Rhodochrosite 0.516ct loose from Detroit City, USA
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] Oregon Sunstone 1.056ct Ruth
Sale price¥12,800
[Mr. Sanjay] Yellow tourmaline 0.431ct loose
Sale price¥5,980
Color change sapphire 0.283ct loose
Sale price¥4,980
Rutilated Quartz (Rutilated Quartz) 6.402ct Loose
Sale price¥6,980
Medusa Quartz (Paraiba Quartz) 8.304ct loose
Sale price¥8,800
Color change sapphire 0.401ct loose
Sale price¥6,980
[Mr. Sanjay] Hackmanite 0.520ct loose
Sale price¥24,800
[Mr. Sanjay] Synthetic moissanite 6.704ct loose
Sale price¥29,800
[Mr. Sanjay] Opal 7.3mm/1.033ct loose
Sale price¥12,800
[Mr. Sanjay] Opal 6.9mm/0.843ct loose
Sale price¥8,800
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.