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Sold out フェナカイト 0.766ctルース
Sold out フェナカイト 0.601ctルース
Sold out Benitoite 0.231ct loose
Sold out Benitoite 2.5mm/0.064ct loose
Sold out Benitoite 2.5mm/0.071ct loose
Sold out Benitoite 2.5mm/0.066ct loose
Sold out ブラジル産ティンカーベルクォーツ(ピンクファイヤークォーツ) 4.715ctルース
Sold out ブラジル産ティンカーベルクォーツ(ピンクファイヤークォーツ) 3.956ctルース
Sold out Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.846ct loose
Sold out チベット産バイカラーアンデシン 1.594ctルース
Sold out チベット産バイカラーアンデシン 0.969ctルース
Sold out チベット産バイカラーアンデシン 1.492ctルース
Sold out チベット産バイカラーアンデシン 1.275ctルース
Sold out モザンビーク産パライバトルマリン 0.314ctルース
Sold out Paraiba tourmaline from Mozambique 0.230ct loose
Sold out Paraiba tourmaline from Mozambique 0.416ct loose
Sold out Paraiba tourmaline from Mozambique 0.074ct loose
Sold out ピンクダイアスポア 0.443ctルース
Sold out ブラジル産パーティカラーパライバトルマリン 2.191ctルース
Sold out アフガニスタン産ラズライト(天藍石) 0.128ctルース
Sold out 1 stone of Tibetan andesine and bicolor andesine (discount available for multiple purchases)
Sold out Brazilian dendritic quartz 1 stone loose《Multiple purchase discount available》
Sold out オーストラリア産オパール 0.379ctルース
Sold out オーストラリア産オパール 0.584ctルース
Sold out 南アフリカ産ダイヤモンド 0.283ct原石
Sold out Diamond from South Africa (makeable) 0.184ct rough stone
Sold out Diamond from South Africa (Makable) 0.153ct rough stone (Trigon)
Sold out South African yellow diamond (makeable) 0.174ct rough stone
Sold out South African diamond (makeable) 0.170ct rough stone
Sold out Leuko Garnet from Burma 0.408ct loose
Sold out [Limited 5 stones] Rare stone gacha 💎 Win Red Beryl, Alexandrite, Paraiba Tourmaline [Multiple purchase discount available]
Sold out 1 stone mint garnet from Tanzania (pear shape cut)《Discount available for multiple purchases》
Sold out 《Limited to 5 stones》1 stone Sphene from Madagascar《Multiple purchase discount available》(Mr. Sanjay cut)
Sold out 1 stone of sealite from Afghanistan《Multiple purchase discount available》
Sold out [Limited to 10 stones] 1 stone bicolor tourmaline from Brazil [Discount available for multiple purchases] (Rose cut, Mr. NOBU cut)
Sold out 1 stone of Andalusite from Sri Lanka (discount available for multiple purchases) (Ockhampedia Mine, cut by Mr. Sanjay)
Sold out [Limited 3 stones] 1 blue sapphire from Sri Lanka [Discount available for multiple purchases] (Rose cut, 2mm, Mr. NOBU cut)
Sold out [Limited to 3 stones] 1 Illusion sunstone from Tanzania [Discount available for multiple purchases] (Rose cut, 2mm, Mr. NOBU cut)
Sold out 1 stone mint green beryl from Brazil (discount available for multiple purchases)
Sold out コロンビア産ノンオイルエメラルド 0.100ctルース
Sold out コロンビア産エメラルド 0.092ctルース
Sold out コロンビア産エメラルド 0.113ctルース
Sold out ブラジル産グリーン・スポジュメン 2.033ctルース
Sold out ブラジル産グリーン・スポジュメン 2.033ctルース
Sold out コンクパール(火焔模様有り) 0.085ctルース
Sold out コンクパール(火焔模様有り) 0.077ctルース
Sold out ブラジル産グリーン・スポジュメン 2.033ctルース
Sold out Purple spinel 0.648ct loose

KARATZ Custom Made

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.