![Limited to 10 stones: Madagascar pink sapphire (heart-shaped, including padparadscha color, approximately 3 x 2.3 mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_af0c773f-5960-4051-9ae9-82d3098c4584.png?v=1787791015&width=2000)
![[Limited to 6 stones] Rainbow Aquamarine 1 stone loose (avg. 0.7ct) [Multi-purchase discount available]](http://store.karatz.jp/cdn/shop/files/collage_109399e6-70f2-460c-8ef0-532562ba2f88.png?v=1788412651&width=2000)
【8/30 22時販売】《残り3石》コロンビア産エメラルド原石（平均0.25ct）《複数購入割引有》
Sale price¥7,980
【8/29 22時販売】《限定11石》コロンビア・ムゾー産エメラルド原石（平均0.20ct）《複数購入割引有》
Sale price¥5,980
![Limited to 10 stones: London Blue Diamond Gacha Loose Stone (including 3.6mm, VS-SI grade equivalent, treated) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_e2bd3d60-9a2b-4f1b-8809-244107dfa192.png?v=1788427045&width=2000)
![Limited to 10 stones: London Blue Diamond Gacha Loose Stone (including 3.6mm, VS-SI grade equivalent, treated) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_1dfb1fff-9549-47b5-bbc8-60266f46a8a7.png?v=1788427815&width=2000)
Brazilian Lepidocrocite in Quartz 1.126ct Loose Stone
Sale price¥9,800
【9/4 22時販売】《限定16石》コロンビア産エメラルド原石（平均0.35ct）《複数購入割引有》
Sale price¥5,980
【9/5 22時販売】《限定5石》コロンビア産エメラルド原石（平均0.52ct）《複数購入割引有》
Sale price¥7,980
【9/4 22時販売】ブラジル産カラーシフトアメジスト 2.649ctルース
Sale price¥9,800
【9/4 22時販売】ブラジル産エレスチャルアメジスト 1.855ctルース
Sale price¥8,800
【9/4 22時販売】ルビー 0.141ctルース
Sale price¥9,800
【9/6 22時販売】インド産アイオライトサンストーン 0.476ctルース
Sale price¥8,800
【9/6 22時販売】インド産アイオライトサンストーン 0.509ctルース
Sale price¥7,980
【9/7 22時販売】インド産アイオライトサンストーン 0.449ctルース
Sale price¥6,980
Amazon Green Opal 0.814ct Loose (Faceted Cut)
Sale price¥7,980
Amazonian green opal 0.517ct loose stone (faceted cut)
Sale price¥7,980
Amazon Green Opal 0.285ct Loose (Faceted Cut)
Sale price¥6,980
Brazilian copper rutilated quartz 1.334ct loose stone
Sale price¥8,800
Oregon Sunstone from the United States 0.292ct loose stone
Sale price¥6,980
Tanzania Bicolor Zoisite 4mm/0.305ct Loose Stone
Sale price¥6,980
Tanzania Bicolor Zoisite 0.357ct Loose Stone
Sale price¥6,980
Mozambique Aquamarine 4.9mm/0.463ct Loose Stone
Sale price¥8,800
Tibetan bicolor andesine 0.755ct loose stone
Sale price¥6,980
【9/4 22時販売】《限定7石》コロンビア産ミントカラーエメラルド原石（平均0.51ct）《複数購入割引有》
Sale price¥6,980
【8/30 22時販売】ジンバブエ産スフェーン 0.302ctルース
Sale price¥8,800
【8/30 22時販売】メキシコ産ファイアオパール 0.352ctルース
Sale price¥7,980
【8/30 22時販売】ジンバブエ産スフェーン 0.332ctルース
Sale price¥9,800
【8/29 22時販売】マダガスカル産アンダリュサイト 0.454ctルース
Sale price¥7,980
【8/29 22時販売】タンザニア産ミントガーネット 0.296ctルース
Sale price¥8,800
【8/29 22時販売】ブラジル産ラベンダークォーツ（スコロライト） 0.475ctルース
Sale price¥7,980
Pakistani Peridot 5.2mm/0.562ct Loose Stone
Sale price¥9,800
Brazilian copper rutilated quartz 1.262ct loose stone
Sale price¥6,980
Brazilian copper rutilated quartz 1.647ct loose stone
Sale price¥6,980
Brazilian copper rutilated quartz 1.352ct loose stone
Sale price¥6,980
Synthetic Alexandrite 0.578ct loose stone
Sale price¥9,800
【9/1 22時販売】アメリカ産ペリドット 0.803ctルース
Sale price¥9,800
【9/3 22時販売】合成ルチル 3.8mm/0.278ctルース
Sale price¥8,800
【9/3 22時販売】高知県産血赤珊瑚 1.336ctルース
Sale price¥9,800
【9/3 22時販売】高知県産血赤珊瑚 1.235ctルース
Sale price¥9,800
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.
KARATZ's Initiatives and Social Contributions
We will introduce KARATZ's efforts, including nurturing the next generation and business collaboration to develop the industry, and supporting children in Sri Lanka, the land of jewels.
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.