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Non-Oil Emerald 1.370ct Loose GIA Sale price¥1,580,000

coming soon 【5/4 22時販売】コロンビア産ノンオイルエメラルド(NONE) 0.060ctルース GIA
coming soon 【32501888掲載】フローレスダイヤモンド(H&C) 0.230ctルース(D, FL, 3Excellent H&C)
coming soon 【32501884掲載】フローレスダイヤモンド(H&C) 0.210ctルース(D, FL, 3Excellent H&C)
coming soon 【32501883掲載】インターナリーフローレスダイヤモンド(H&C) 0.360ctルース(D, IF, 3Excellent H&C)
Sold out 【32501881掲載】インターナリーフローレスダイヤモンド(H&C) 0.340ctルース(F, IF, 3Excellent H&C)
Sold out 【12562747掲載】マダガスカル産非加熱ティールグリーンサファイア 1.740ctルース
Sold out Lottery Sale_0421_06 Indian Alexandrite Cat's Eye 1.030ct Loose Gemstone GIA
coming soon 【12562732掲載】非加熱ブラジル産パライバトルマリン 0.050ctルース
Sold out [For sale on March 19 at 10 PM] Colombian Non-Oil Emerald 0.120ct Loose Stone GIA
Sold out 0.085ct loose, non-oil red beryl from the United States, GIA
Sold out Colombian oil-free emerald 0.17ct loose GIA
Sold out [On Sale at 10 PM on January 12th] Limited to 15 Stones! Rare Stone Gacha! 98,000 Yen: Oil-Free Red Beryl with GIA, Shinsha, Paraiba Tourmaline from Mozambique, Benitoite, and More! Discounts Available for Multiple Purchases!
Sold out Internally Flawless Diamond (H&C) 3.8mm/0.210ct Loose (F, IF, 3 Excellent H&C) GIA & Chuho
Sold out Unheated Kashmir Sapphire 0.260ct Loose Stone GIA
Sold out Unheated Kashmir sapphire 0.210ct loose GIA
Sold out マダガスカル産ホットピンクサファイア 1.120ctルース
Sold out アメリカ産ノンオイルレッドベリル 2.5mm/0.050ctルース GIA
Sold out K18PG ブラジル産パライバトルマリン 0.49ct リング
Sold out インターナリーダイヤモンド 0.25ルース(E, IF, 3Excellent) GIA
Sold out コロンビア産ノンオイルエメラルド(NONE) 0.110ctルース GIA
Sold out 非加熱ブラジル産パライバトルマリン 0.108ctルース
Sold out ノンオイルレッドベリル 0.200ctルース GIA
Sold out ロイヤルブルーサファイア 1.44ctルース GIA
Sold out ノンオイルレッドベリル 2.5mm/0.050ctルース GIA
Sold out カシミール産非加熱サファイア 0.200ctルース
Sold out カシミール産非加熱サファイア 0.080ct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.