【8/28 22時販売】コンゴ産ピンクトルマリン 6.0mm/0.825ctルース
Sale price¥29,800
【8/28 22時販売】ブラジル産ブルートルマリン 0.353ctルース
Sale price¥9,800
【8/28 22時販売】ブラジル産ミントカラートルマリン 0.145ctルース
Sale price¥8,800
【8/28 22時販売】マダガスカル産アパタイト 1.566ctルース
Sale price¥12,800
Bicolor Benitoite 0.624ct Loose Japanese-German Edition
Sale price¥188,000
Brazilian Paraiba tourmaline 0.455ct raw stone (CuO: 0.9%, MnO: 2.2%)
Sale price¥15,800
Brazilian Paraiba tourmaline 0.448ct raw stone (CuO:2.7%, MnO:2.0%)
Sale price¥19,800
Brazilian Paraiba tourmaline 0.156ct raw stone (CuO:2.5%, MnO:0.5%)
Sale price¥15,800
[Sakura Incut] Sky Blue Topaz 12mm Loose with Patch
Sale price¥39,800
Rose quartz 15mm/10.950ct loose
Sale price¥3,980
Rose quartz 15mm/10.850ct loose
Sale price¥3,980
Brazilian alexandrite 0.102ct loose
Sale price¥15,800
Brazilian alexandrite 0.091ct loose
Sale price¥15,800
[12531407 published] Bicolor Zoisite 0.860ct rough stone
Sale price¥3,980
Larimar 33.829ct loose Japanese-German book
Sale price¥39,800
Sunstone Scapolite 1.510ct loose
Sale price¥12,800
【8/27 22時販売】《限定7石》ブラジル産ライモナイトインクォーツ1石ルース（平均6ct）《複数購入割引有》
Sale price¥5,980
【8/24 22時販売】《限定4石》ブラジル産ブルートパーズキャッツアイ1石ルース（7.0-7.5mm）《複数購入割引有》
Sale price¥5,980
【8/24 22時販売】《限定12石》マダガスカル産サファリン（サファーリン）1石ルース《複数購入割引有》
Sale price¥2,980
【8/24 22時販売】スリランカ産サファリン 0.466ctルース 鑑別書
Sale price¥37,800
【8/28 22時販売】パパラチアサファイア 3.5mm/0.220ctルース DGL鑑
Sale price¥34,800
【8/28 22時販売】ピジョンブラッドルビー 0.280ctルース AIGS
Sale price¥49,800
【8/24 22時販売】コロンビア産ミントカラーエメラルド 4.1mm/0.244ctルース
Sale price¥8,800
【8/24 22時販売】コロンビア産ミントカラーエメラルド 4.3mm/0.306ctルース
Sale price¥8,800
【8/24 22時販売】ブラジル産ミントカラーエメラルド 5.5mm/0.638ctルース
Sale price¥8,800
【8/25 22時販売】ザンビア産エメラルド 0.166ctルース
Sale price¥8,800
[Published on 12560214] Unheated Ruby 0.680ct Loose
Sale price¥88,800
Cornflower blue sapphire 0.530ct loose stone
Sale price¥128,000
[Published on 12560213] Red Spinel 0.346ct Loose
Sale price¥22,800
Padparadscha sapphire 0.200ct loose
Sale price¥29,800
[12558092] Leuco garnet 0.371ct loose stone
Sale price¥39,800
Bicolor sapphire 0.334ct loose
Sale price¥9,800
Bicolor sapphire 0.149ct loose
Sale price¥6,980
Bicolor sapphire 0.323ct loose
Sale price¥9,800
California Axinite 1.150ct Loose Stone (Phantom Cut)
Sale price¥8,800
Fluorite 1.420ct loose stone
Sale price¥3,980
Afghanite 0.210ct loose
Sale price¥6,980
Diamond 0.054ct loose (VS class equivalent, emerald cut)
Sale price¥8,800
Hessonite Garnet 0.309ct Loose Stone
Sale price¥4,980
Malaya garnet 0.972ct loose
Sale price¥9,800
Colombian emerald cat's eye 0.112ct loose
Sale price¥9,800
Colombian emerald cat's eye 0.094ct loose
Sale price¥8,800
Colombian emerald cat's eye 0.093ct loose
Sale price¥8,800
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.
So that more people can feel closer to jewellery and enjoy it easily.
We will introduce KARATZ's thoughts on products, the attention to detail and efforts in selecting gemstones and creating jewelry.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
KARATZ Books
These are books that KARATZ has been involved in writing, supervising, and planning. They are all books that allow you to enjoy gemstones from various angles. You can also purchase them directly.
jeweler's tools
For those who want to enjoy jewelry more but don't know what tools to use, we will introduce tools that are also used by KARATZ staff. You can also purchase them directly.