【9/11 22時販売】タンザニア産アルマンディンガーネット 1.354ctルース
Sale price¥15,800
【9/11 22時販売】ビルマ産レッドスピネル 0.146ctルース 鑑別書
Sale price¥15,800
【9/11 22時販売】ビルマ産レッドスピネル 0.100ctルース 鑑別書
Sale price¥11,000
Brazilian Lepidocrocite in Quartz 1.126ct Loose Stone
Sale price¥9,800
[Lottery Sale ②_202608_07] Myanmar Orange Spinel 0.855ct Loose Stone
Sale price¥98,000
【9/4 22時販売】ルビー 0.411ctルース
Sale price¥18,800
【9/4 22時販売】ルビー 0.200ctルース
Sale price¥12,800
【9/4 22時販売】ルビー 0.141ctルース
Sale price¥9,800
【9/11 22時販売】スリランカ産パープルサファイア 0.271ctルース 鑑別書
Sale price¥18,800
【9/1 22時販売】ピジョンブラッドルビー 0.350ctルース AIGS
Sale price¥49,800
【9/2 22時販売】ピジョンブラッドルビー 0.325ctルース JTL鑑別書
Sale price¥69,800
【9/3 22時販売】スリランカ産パープルサファイア 0.376ctルース 鑑別書
Sale price¥35,800
【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
[On sale August 25th, 10 PM] Ruby 0.168ct Loose Stone
Sale price¥11,800
[On sale August 25th at 10 PM] Ruby loose stone, 0.268ct
Sale price¥15,800
[On sale August 23rd at 10 PM] US Oregon Sunstone 6.0mm/ 0.729ct Loose
Sale price¥18,800
【12563732 Posted】Tanzanian Red Spinel 0.177ct Loose
Sale price¥35,800
Kochi Prefecture Aka Coral 4.627ct Loose Gemstone
Sale price¥22,800
[Listed as 12563733] Tanzania Red Spinel 0.241ct Loose Stone
Sale price¥43,800
1.758 ct Ruby Loose Stone from Vietnam with Identification Report
Sale price¥49,800
Mozambique Ruby 0.544ct Loose Stone with Certificate of Authenticity
Sale price¥39,800
[Published as 12564054] Kochi Prefecture Coral 8.132ct Loose Stone
Sale price¥69,800
[Published as 12564055] American Red Beryl 0.239ct Loose Stone
Sale price¥69,800
[Lottery Sale 0731_09] Burmese Ruby 1.020ct Loose Stone GIA
Sale price¥188,000
[Lottery Sale 0725_11] Burmese Pigeon Blood Ruby 0.450ct Loose AIGS
Sale price¥98,000
Brazilian rhodonite 1.423ct loose stone
Sale price¥29,800
[Listed on 12562258] Eudialyte from Canada 2.796 ct loose stone
Sale price¥39,800
Kochi Prefecture Aka Sango (Red Coral) 1.439ct Loose Stone
Sale price¥9,800
Kochi Prefecture-produced red coral 0.978ct loose stone
Sale price¥9,800
Kochi Prefecture Aka珊瑚 (Red Coral) 1.128ct Loose Stone
Sale price¥9,800
Kochi Prefecture-sourced deep red coral, 1.238ct loose stone
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.