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coming soon 1 stone loose quartz in oil from Pakistan《Discount available for multiple purchases》
coming soon [On sale April 10th at 10 PM] Limited to 10 stones - Pink Diamond Gacha with FANCY LIGHT PURPLISH PINK diamonds, normally priced at ¥49,800 (multiple purchase discount available)
coming soon [Sale from 10 PM on 4/2] Limited 9 Stones: Zambian Canary Yellow Tourmaline Average 0.18ct (Multiple Purchase Discount Available)
coming soon [Sale begins 4/22:00 JST] Limited to 8 stones: Zambian Canary Yellow Tourmaline (Avg. 0.47ct) - Multi-purchase discount available
coming soon Brazilian Paraiba Tourmaline (cabochon cut, approximately 2.2mm) 1 loose stone (multiple purchase discounts available)
coming soon Brazilian Paraiba Tourmaline (cabochon cut, approximately 2.2mm) 1 loose stone (multiple purchase discounts available)
coming soon [On sale 4/ at 10 PM JST] "Limited to 10 Stones" Iolite Gacha including Konpeito Cut Golden Iolite [Multiple Purchase Discount Available]
coming soon [Sales start 10 PM, April 22nd] "Limited 13 stones" Pakistan Lazurite, average 0.04ct (multi-purchase discount available)
coming soon 【4/10 22時販売】ブラジル産アレキサンドライト 2.7mm/0.105ctルース
coming soon 【4/10 22時販売】ブラジル産アレキサンドライト 0.109ctルース
coming soon 【32501804掲載】ダイヤモンド 0.185ctルース(I, SI1)
coming soon 【12562074掲載】ブラジル産ライモナイトインクォーツ(オーロラクォーツ) 1.894ctルース
coming soon 【12562083掲載】ブラジル産デュモルチェライトインクォーツ 1.060ctルース
coming soon 【12562085掲載】ブラジル産デュモルチェライトインクォーツ 0.603ctルース
coming soon 【12561898掲載】アルマンディンガーネット 0.545ctルース
coming soon [On sale April 10th at 10 PM] Brazilian Lazulite (blue stone) 0.044ct Loose Gemstone with Certificate
coming soon 【カラフリ】Pt900/Pt850クリノヒューマイト0.726ct ペンダント(ネックレス) - カラッツSTORE
coming soon 【12555695掲載】ブラジル産パライバトルマリンインクォーツ 0.313ctルース
coming soon 【12562647掲載】ペルー産バイカラーブルーオパール 3.757ctルース
coming soon 【12562646掲載】ペルー産バイカラーブルーオパール 2.707ctルース
coming soon 【22602547掲載】【カラフリ】Pt900 ブラックオパール 1.24ct リング
coming soon 【22602548掲載】【カラフリ】Pt900 ブラックオパール 0.83ct リング
coming soon 【22602546掲載】【カラフリ】K18WG ツァボライト 0.57ctct リング
coming soon 【カラフリ】Pt950プレーナイトペンダントトップ(ネックレストップ)
coming soon 【22602549掲載】【カラフリ】K18WG 血赤珊瑚 0.19ct ブローチ
coming soon K18WGクリノヒューマイト1.79ct ・ダイヤモンドペンダントトップ(ネックレストップ)
coming soon 【4/11 22時販売】アメリカ産ベニトアイト 3.4mm/0.175ctルース
Sold out 【12562555掲載】オーストラリア産ブラックオパール 0.248ctルース

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.