Colombian pyrite emerald 13.691ct loose stone
Sale price¥398,000
Brazilian Green Tourmaline 26.071ct Loose Stone (Sugarloaf Cut)
Sale price¥298,000
Brazilian bicolor tourmaline 6.928ct loose stone (bicolor blue tourmaline)
Sale price¥298,000
Colombian pyrite emerald 8.044ct loose stone
Sale price¥188,000
American Benitoite 4.8mm/0.396ct Loose Stone by Nikkei
Sale price¥298,000
American Bicolor Benitoite 0.358ct Loose Stone by Nikkei
Sale price¥298,000
Brazilian Green Tourmaline 12.252ct Loose Stone
Sale price¥398,000
Colombian pyrite in emerald 6.415ct loose stone
Sale price¥298,000
Colombian oil-free emerald 0.290ct loose stone GIA
Sale price¥198,000
Brazilian Paraiba Tourmaline 0.233ct loose stone (CuO: 1.6%. MnO: 2.4%)
Sale price¥358,000
Brazilian Paraiba Tourmaline 0.360ct Loose GIA
Sale price¥298,000
[12552306] Iolite 14.158ct loose stone
Sale price¥258,000
Brazilian Indigolite Tourmaline 7.002ct Loose Stone, Japan-Germany Exchange
Sale price¥198,000
![[E_27 Yurakucho Marui] Brazilian Paraiba Tourmaline 0.341ct loose stone (CuO:1.81%, MnO:1.96%) Nakahokan analysis report](http://store.karatz.jp/cdn/shop/files/P5229987_03363094-2fa1-431f-91df-e35790ff7138.jpg?v=1743427374&width=3112)
Benitoite 0.338ct loose stone
Sale price¥258,000
Unheated Brazilian Paraiba Tourmaline 0.110ct Loose Stone AIGS
Sale price¥258,000
Ukrainian bicolor topaz 5.622ct loose stone
Sale price¥198,000
Benitoite 0.231ct loose
Sale price¥220,000
Benitoite 0.286ct loose
Sale price¥258,000
Benitoite 0.272ct loose stone (emerald cut)
Sale price¥248,000
[E_27 Yurakucho Marui] Benitoite 0.352ct loose stone
Sale price¥298,000
[E_27 Yurakucho Marui Take-out] Non-Oil Emerald 1.370ct Loose GIA
Sale price¥1,580,000
Brazilian Paraiba Tourmaline 0.405ct loose stone (CuO2.7% CuO2.2%) GIA
Sale price¥198,000
[E_27 Yurakucho Marui Takeout] Royal Blue Sapphire 1.010ct Loose AIGS
Sale price¥198,000
Non-Oil Emerald 0.555ct Loose Stone by Nikkei
Sale price¥288,000
[E_27 Yurakucho Marui Take-out] Colombian oil-free emerald 0.310ct loose
Sale price¥298,000
[Dandelion Cut] K18PG Yellow Sapphire 1.927 Ring Japanese-German Edition
Sale price¥298,000
K18 Orange Sapphire 1.980ct Pink Diamond Ring DGL Appraisal
Sale price¥198,000
Colombian Euclase 24.491ct Ruth Medium Treasure Guide
Sale price¥498,000
Unheated Bicolor Paraiba Tourmaline 0.092ct Loose GIA
Sale price¥188,000
South African rhodochrosite 2.477ct loose Japanese-German edition
Sale price¥398,000
Bicolor Paraiba tourmaline 2.477ct loose DGL version
Sale price¥228,000
[E_27 Yurakucho Marui Take-out] Pt900 Alexandrite 0.354ct Diamond Ring
Sale price¥198,000
Gray diamond 1.247ct loose
Sale price¥228,000
Pt900 benitoite 0.152ct/diamond 0.58ct ring
Sale price¥188,000
Colombian trapiche emerald 13.466ct loose
Sale price¥398,000
Phosphophyllite from Bolivia 2.589ct loose Japanese-German edition
Sale price¥1,280,000
Bulgarian green sphalerite 9.2mm/3.608ct loose Japanese-German edition
Sale price¥398,000
[E_27 Yurakucho Marui Take-out] Colombian Oil-free Emerald 0.220ct Loose GIA
Sale price¥248,000
Rubellite 7.068ct loose Japanese-German book
Sale price¥498,000
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.
