Bicolor sapphire from Madagascar 0.231ct loose
Sale price¥18,800
Mexican water opal 0.212ct loose (contrarus opal)
Sale price¥39,800
Yellow sapphire from Sri Lanka 0.222ct loose
Sale price¥12,800
[Mr. Sanjay] Goshenite 1.620ct loose
Sale price¥22,800
[Mr. Sanjay] Goshenite 1.989ct loose
Sale price¥25,800
Tanzanian bicolor zircon 1.356ct loose stone DGL
Sale price¥59,800
[Koshu precious stone Kiriko plusthree] Rubellite 1.809ct loose
Sale price¥39,800
[Koshu precious stone Kiriko plusthree] Green tourmaline 1.880ct loose
Sale price¥35,800
Diaspore 1.209ct loose from Türkiye
Sale price¥21,800
Diaspore from Türkiye 0.712ct loose
Sale price¥17,800
Diaspore from Türkiye 0.858ct loose
Sale price¥21,800
Diaspore from Türkiye 0.636ct loose
Sale price¥15,800
Sphene from Madagascar 1.404ct loose
Sale price¥15,800
Tourmaline cat's eye 0.910ct loose
Sale price¥6,980
Sphene from Madagascar 0.761ct loose
Sale price¥12,800
Sphene from Madagascar 0.601ct loose
Sale price¥9,800
Russian demantoid garnet 3.2mm/0.200ct loose
Sale price¥15,800
Sphene from Madagascar 1.899ct loose
Sale price¥24,800
Sphene from Madagascar 1.476ct loose
Sale price¥18,800
Montebrasite 0.373ct loose
Sale price¥9,800
Bicolor sapphire 0.335ct loose
Sale price¥9,800
Opal 6mm/0.595ct loose (rose cut)
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.