Brazilian imperial topaz 0.359ct loose
Sale price¥15,800
Brazilian imperial topaz 2.093ct loose
Sale price¥29,800
Australian black opal 0.616ct loose
Sale price¥12,800
Australian black opal 1.295ct loose
Sale price¥19,800
Australian black opal 0.310ct loose
Sale price¥8,800
Australian black opal 1.134ct loose
Sale price¥39,800
Alexandrite cat's eye 0.217ct loose
Sale price¥8,800
Alexandrite cat's eye 0.386ct loose
Sale price¥15,800
Alexandrite cat's eye 0.229ct loose
Sale price¥12,800
Alexandrite cat's eye 0.342ct loose
Sale price¥15,800
Alexandrite cat's eye 0.274ct loose
Sale price¥12,800
Alexandrite cat's eye 0.203ct loose
Sale price¥9,800
Alexandrite cat's eye 0.941ct loose
Sale price¥22,800
Alexandrite cat's eye 0.385ct loose
Sale price¥18,800
Alexandrite cat's eye 0.214ct loose
Sale price¥9,800
Brazilian dumortierite in quartz 1.517ct loose
Sale price¥12,800
Brazilian dumortierite in quartz 3.247ct loose
Sale price¥25,800
Brazilian dumortierite in quartz 1.796ct loose
Sale price¥15,800
Brazilian dumortierite in quartz 2.227ct loose
Sale price¥18,800
Brazilian dumortierite in quartz 2.443ct loose
Sale price¥24,800
Brazilian dumortierite in quartz 1.142ct loose
Sale price¥9,800
Paraiba tourmaline from Mozambique 0.410ct loose
Sale price¥32,800
Paraiba tourmaline from Mozambique 0.476ct loose
Sale price¥39,800
Paraiba tourmaline from Mozambique 0.252ct loose
Sale price¥19,800
Paraiba tourmaline from Mozambique 0.195ct loose
Sale price¥15,800
Paraiba tourmaline from Mozambique 0.239ct loose
Sale price¥19,800
Paraiba tourmaline from Mozambique 0.083ct loose
Sale price¥6,580
Paraiba tourmaline from Mozambique 0.089ct loose
Sale price¥7,980
Diamond 0.534ct rough stone
Sale price¥9,800
Indian bag site 1.763ct loose
Sale price¥9,800
Indian bag site 2.218ct loose
Sale price¥9,800
Indian bag site 1.513ct loose
Sale price¥9,800
Indian bag site 2.163ct loose
Sale price¥9,800
Indian bag site 2.408ct loose
Sale price¥9,800
Indian bag site 2.206ct loose
Sale price¥9,800
Indian bag site 1.822ct loose
Sale price¥9,800
Indian bag site 2.339ct loose
Sale price¥7,980
Indian bag site 2.010ct loose
Sale price¥8,800
Lepidolite from Tanzania 1.035ct Ruth Japanese German edition
Sale price¥9,800
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.
