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¥5,000 - ¥10,000

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coming soon パキスタン産ペリドット 5.2mm/0.562ctルース

[12559857] Pakistani Peridot 0.562ct Loose Stone Sale price¥9,800
coming soon ジンバブエ産スフェーン 4.7mm/0.400ctルース

[12559763] Zimbabwean sphene 0.400ct loose stone Sale price¥9,800
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]

[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]
Sold out [On Sale November 1st at 10 PM] [Limited to 11 Stones] Oregon Sunstone Gacha Loose Stone (Average 1.60ct) Including Koshu Precious Stones Cut Plus Three and Vortex Cut [Multiple Purchase Discounts Available]

[On Sale November 1st at 10 PM] [Limited to 11 Stones] Oregon Sunstone Gacha Loose Stone (Average 1.60ct) Including Koshu Precious Stones Cut Plus Three and Vortex Cut [Multiple Purchase Discounts Available]
Sold out [On sale November 1st at 10 PM] [Limited to 8 stones] Brazilian Paraiba Tourmaline (cabochon cut, approximately 2.2mm) 1 loose stone [Multiple purchase discounts available]

[On sale November 1st at 10 PM] [Limited to 8 stones] Brazilian Paraiba Tourmaline (cabochon cut, approximately 2.2mm) 1 loose stone [Multiple purchase discounts available]
coming soon [On sale at 10 PM on October 10th] [Limited to 10 stones] Win one loose bicolor euclase gemstone from the bicolor gem gacha [Multiple purchase discounts available]

[On sale at 10 PM on October 10th] [Limited to 10 stones] Win one loose bicolor euclase gemstone from the bicolor gem gacha [Multiple purchase discounts available] Sale price¥5,980
coming soon 【11/3 22時販売】《限定10石》山本武氏作品ガチャ（ファイヤーフラワーカットなど,おまけに山本氏研磨プレーナイト付き）1石ルース💎《複数購入割引有》

【11/3 22時販売】《限定10石》山本武氏作品ガチャ（ファイヤーフラワーカットなど,おまけに山本氏研磨プレーナイト付き）1石ルース💎《複数購入割引有》 Sale price¥7,980

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.