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coming soon 【22602641掲載】【カラフリ】K18WG ダイヤモンド ペンダントトップ(ネックレストップ)
coming soon [On sale May 23rd at 10 PM] "Limited 9 Stones - Shinjuku Pop-Up Celebration" All stones with Central Gem Laboratory sorting (3.0-3.5mm, VS-SI clarity) "Multiple purchase discount available"
coming soon [On sale May 23rd at 10 PM] "Limited 9 Stones - Shinjuku Pop-Up Celebration" All stones with Central Gem Laboratory sorting (3.0-3.5mm, VS-SI clarity) "Multiple purchase discount available"
coming soon [June. Sales at 10 PM JST] 《Limited to 10 Stones》Sapphire Gacha Featuring Padparadscha Sapphires with DGL Certificates 💎《Multiple Purchase Discount Available》
coming soon [On sale June 17th at 10 PM] Canadian Eudialyte 2.4mm/0.052ct Loose Stone with Appraisal
coming soon ブラジル産スイスブルートパーズ 1.025ctルース
coming soon [On sale June 17th, 10 PM] Tanzanian Tanzanite 0.372ct Loose Stone
coming soon パロットクリソベリルキャッツアイ 0.792ctルース
coming soon 【12563112掲載】ミャンマー産ジェダイスピネル 0.380ctルース
coming soon 【12563190掲載】非加熱パープルサファイア 0.775ctルース
coming soon 【12563109掲載】イエローサファイア 2.150ctルース
coming soon 【12563195掲載】コンゴ産ピンクトルマリン 1.056ctルース
coming soon [Lottery Sale_0612_01] Madagascar Bekily Blue Garnet (Color Change Garnet) 0.542ct Loose
coming soon 【12563345掲載】カシミール産非加熱サファイア 0.220ctルース
coming soon [Listed as 12562693] Malawi Bicolor Zircon 1.434ct Loose
coming soon 【12563343掲載】カシミール産非加熱サファイア 0.120ctルース
coming soon 【12563189掲載】ビルマ産非加熱ブルーサファイア 0.177ctルース
coming soon [On sale June 19th, 10 PM] Authentic Gemstone Encyclopedia 3D Stickers Vol. 1 "The Big Five Gemstones"
coming soon ジェレメジェバイト 0.501ctルース
coming soon モザンビーク産パライバトルマリン 0.784ctルース(CuO:0.3%,MnO:1.3%)

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.