【12/7 22時販売】ブラジル産パライバトルマリン・ダイヤモンド１３石ハーフエタニティリングセット（2.0mm)
Sale price¥188,000
【12/6 22時販売】ブラジル産グリーントルマリン 42.854ctルース
Sale price¥198,000
【12/7 22時販売】ジンバブエ産バイカラーユークレース 0.503ctルース 日独鑑【宝石図鑑掲載】
Sale price¥398,000
Brazilian Paraiba Tourmaline Ring and Half Eternity Ring Set (1.2mm)
Sale price¥188,000
【11/24 22時販売】タンザニア産カラーチェンジクロムトルマリン 13.194ctルース 中宝鑑
Sale price¥398,000
[On sale at 10pm on 10/20] Russian oil-free emerald 0.640ct loose GIA
Sale price¥198,000
American Wulfenite 2.610ct loose stone
Sale price¥298,000
[On sale at 10pm on 14/10] Afghanistan Green Tourmaline 11.5mm/5.854ct Loose
Sale price¥198,000
Non-Oil Emerald 1.030ct Loose Gübelin Gübelin Certificate
Sale price¥698,000
Bicolor Benitoite 0.601ct Loose Japanese-German Edition
Sale price¥458,000
Brazilian Rubellite 3.845ct loose stone
Sale price¥198,000
Top Quality Benitoite 13 Stone Half Eternity Ring Set (2.0mm)
Sale price¥248,000
Cornflower Blue Sapphire 1.210ct Loose AIGS
Sale price¥198,000
Colombian pyrite-mica emerald 3.208ct loose stone
Sale price¥228,000
K18PG Brazilian Paraiba Tourmaline 0.286ct Grandidierite Ring GIA
Sale price¥198,000
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 0.360ct 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
Benitoite 0.338ct loose stone
Sale price¥258,000
Unheated Brazilian Paraiba Tourmaline 0.110ct Loose Stone AIGS
Sale price¥258,000
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
Brazilian Paraiba Tourmaline 0.405ct loose stone (CuO2.7% CuO2.2%) GIA
Sale price¥198,000
Non-Oil Emerald 0.555ct Loose Stone by Nikkei
Sale price¥288,000
Colombian oil-free emerald 0.310ct loose stone
Sale price¥298,000
[Dandelion Cut] K18PG Yellow Sapphire 1.927 Ring 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.
