Bicolor Benitoite 0.624ct Loose Japanese-German Edition
Sale price¥248,000
Brazilian Bicolor Tourmaline 4.554ct Ruth Japanese-German Edition
Sale price¥298,000
Emerald 15.219ct loose Japanese-German book
Sale price¥298,000
Bicolor Sphene 4.50ct loose
Sale price¥258,000
Euclase from Colombia 2.443ct Ruth Japanese German edition
Sale price¥188,000
[E_27 Yurakucho Marui Take-out] Russian Oil-Free Emerald 0.840ct Loose GIA
Sale price¥248,000
Colombian oil-free emerald 0.535ct loose Japanese-German edition
Sale price¥248,000
Colombian Euclase 548.00ct rough stone
Sale price¥248,000
Kunzite 50.260ct loose
Sale price¥198,000
Russian oil-free emerald 0.570ct loose with GIA
Sale price¥258,000
Pakistani Bicolor Sphene 3.980ct Ruth (July Birthstone)
Sale price¥248,000
Blue Zircon (Ratanakiri Blue) 23.12ct loose
Sale price¥498,000
Unheated Bicolor Paraiba Tourmaline 0.105ct Loose GIA
Sale price¥198,000
Royal blue sapphire 2.22ct loose AIGS
Sale price¥398,000
Kunzite 69.735ct loose
Sale price¥198,000
Paracytic Peridot (Parasite Peridot) 0.576ct Loose Japanese-German Edition
Sale price¥298,000

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.