Montana Sapphire (from Yogo) 0.675ct rough stone
Sale price¥14,800
[KEN] Chrome tourmaline 0.300ct loose
Sale price¥3,980
Yellow diamond rough stone (makeable) 0.247ct rough stone
Sale price¥22,800
[KEN] Fire opal from Mexico 0.890ct loose
Sale price¥6,980
Mexican cantera opal 15.542ct loose
Sale price¥19,800
Mexican cantera opal 9.422ct loose
Sale price¥29,800
Mexican cantera opal 7.563ct loose
Sale price¥19,800
Australian boulder opal 1.730ct loose
Sale price¥9,800
Australian boulder opal 6.980ct loose
Sale price¥7,980
Sri Lankan Goethite Into Topaz 3.200ct loose
Sale price¥7,980
Color change garnet 3.796ct loose
Sale price¥118,000
[KEN] Fire Opal 7mm/1.030ct loose
Sale price¥39,800
Tanzanite 1.593ct loose
Sale price¥15,800
Tanzanite 1.297ct loose
Sale price¥12,960
Purple Diamond 0.070ct Loose (FANCY VIVID PINK PURPLE, I-1)
Sale price¥188,000
Sri Lankan star sapphire 21.730ct loose
Sale price¥69,800
Bicolor tanzanite 1.619ct loose
Sale price¥25,800
Bicolor tanzanite 1.853ct loose
Sale price¥39,800
[KEN] American peridot 1.177ct loose
Sale price¥9,800
[Mr. KEN] Labradorite Moonstone 1.598ct Loose Japanese and German
Sale price¥9,800
Brazilian Paraiba tourmaline in quartz 2.954ct loose
Sale price¥45,800
Color change garnet from Tanzania 1.086ct loose
Sale price¥8,800
Australian boulder opal 4.470ct loose
Sale price¥29,800
Yellow opal 17.283ct loose
Sale price¥34,800
White topaz 16.06ct loose
Sale price¥29,800
[KEN] Fire opal from Mexico 0.929ct loose
Sale price¥12,800
Black Star Sapphire 2.358ct Loose (Bankaccha Sapphire)
Sale price¥8,800
Topaz 2.628ct loose
Sale price¥3,980
Bicolor grossular garnet 0.782ct loose
Sale price¥16,800
Colombian emerald 0.135ct loose
Sale price¥18,800
[Mr. KEN] Grossular Garnet 0.357ct Loose Japanese-German Edition
Sale price¥8,800
Paraiba tourmaline from Brazil 0.34ct loose GIA
Sale price¥59,800
Paraiba tourmaline from Mozambique 0.256ct loose
Sale price¥18,800
Paraiba tourmaline from Mozambique 0.207ct loose
Sale price¥12,800
Indigolite tourmaline 0.260ct loose Japanese-German book
Sale price¥18,800
[KEN] Fire opal from Mexico 4.5mm/0.244ct loose
Sale price¥12,800
Diamond 0.052ct loose (trapeze cut, VS class equivalent)
Sale price¥8,800
Paraiba tourmaline from Mozambique 0.215ct loose
Sale price¥12,800
Paraiba tourmaline from Mozambique 0.257ct loose
Sale price¥12,800
Paraiba tourmaline from Mozambique 0.274ct loose
Sale price¥15,800
Colombian emerald cat's eye 0.110ct loose
Sale price¥12,800
Brazilian Paraiba tourmaline 0.420ct raw stone (CuO:1.6%, MnO:1.3%)
Sale price¥98,000
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.