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Sold out Cinnabar Gacha! 💎 One loose Chinese cinnabar gemstone, including two faceted stones (all stones come with a certificate of authenticity) 《Multiple purchase discounts available》
Sold out シンシャ(辰砂・シナバー) 1.219ctルース
Sold out シンシャ(辰砂・シナバー) 0.923ctルース
Sold out シンシャ(辰砂・シナバー) 0.866ctルース
Sold out シンシャ(辰砂・シナバー) 1.171ctルース
Sold out シンシャ(辰砂・シナバー) 1.155ctルース
Sold out 中国産シンシャ(辰砂・シナバー) 1.035ctルース
Sold out 中国産シンシャ(シナバー) 1.704ctルース
Sold out 中国産シンシャ(シナバー) 1.908ctルース 鑑別書
Sold out 中国産シンシャ(シナバー) 5.5mm/0.983ctルース 鑑別書
Sold out 中国産シンシャ(シナバー) 1.257ctルース 鑑別書
Sold out シンシャ(シナバー) 0.779ctルース
Sold out シンシャ(シナバー) 0.644ctルース
Sold out シンシャ(シナバー) 0.563ctルース
Sold out シンシャ(シナバー) 0.506ctルース
Sold out シンシャ(シナバー) 0.486ctルース
Sold out シンシャ(シナバー) 0.480ctルース
Sold out シンシャ(シナバー) 0.468ctルース
Sold out シンシャ(シナバー) 0.354ctルース
Sold out [On Sale November 1st at 10 PM] [Limited to 15 Stones] Rare Stone Gacha! 💎 Brazilian Paraiba Tourmaline 0.240ct, Taaffeite, Shinsha, Benitoite, and More [Multiple Purchase Discounts Available]

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.

KARATZ・Five Commitments

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.