【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
【8/23 22時販売】《限定8石》ブラジル産レインボーアクアマリン1石ルース（ペアシェイプ）《複数購入割引有》
Sale price¥3,980
【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
[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
Red beryl 0.187ct loose
Sale price¥29,800
White sapphire 0.537ct loose
Sale price¥15,800
White sapphire 0.464ct loose
Sale price¥9,800
White sapphire 0.418ct loose
Sale price¥12,800
Yellow sapphire 0.385ct loose
Sale price¥9,800
White sapphire 0.364ct loose
Sale price¥9,800
White sapphire 0.271ct loose
Sale price¥7,980
White sapphire 0.212ct loose
Sale price¥6,980
White sapphire 4.5mm/0.462ct loose
Sale price¥9,800
White sapphire 4.5mm/0.414ct loose
Sale price¥12,800
White sapphire 0.338ct loose
Sale price¥9,800
Paraiba tourmaline from Brazil 0.230ct loose (CuO:1.2%, MnO:3.3%)
Sale price¥29,800
Paraiba tourmaline from Brazil 0.160ct loose (CuO:0.9%, MnO:3.9%)
Sale price¥29,800
Paraiba tourmaline from Brazil 0.213ct loose (CuO: 0.8%, MnO: 3.8%)
Sale price¥25,800
Paraiba tourmaline from Brazil 0.244ct loose (CuO:1.0%, MnO:1.9%)
Sale price¥29,800
Sweet Home rhodochrosite 2 stone set 2.6mm/0.228ct loose
Sale price¥9,800
Opal 6.560ct loose
Sale price¥39,800
[Posted 12533051] Cantera Opal 8.970ct Loose
Sale price¥12,800
Cantera Opal 5.750ct loose
Sale price¥18,800
Brazilian citrine 1.337ct loose stone
Sale price¥3,980
Violet spinel 0.514ct loose stone
Sale price¥6,980
[Posted 12532932] Alexandrite 0.138ct loose
Sale price¥18,800
Ruby 0.213ct loose
Sale price¥7,980
Tourmaline 0.360ct loose stone
Sale price¥2,980
[12532439 published] Hokkaido UV opal 11.900ct loose with patch
Sale price¥8,800
Green tourmaline cat's eye 6.480ct loose
Sale price¥8,800
Tourmaline cat's eye 4.790ct loose
Sale price¥6,980
Tourmaline cat's eye 4.590ct loose
Sale price¥12,800
Purple spinel 0.825ct loose stone
Sale price¥5,980
Zircon 0.654ct loose stone
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.