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Sold out コロンビア産パイライトインエメラルド 0.332ctルース
coming soon K18 コロンビア産エメラルド 0.17 0.18ct ダイヤモンド D0.09ct D0.09ctピアス鑑別書
Sold out コロンビア産パイライト・雲母インエメラルド 0.268ctルース 鑑別書
Sold out コロンビア産ノンオイルエメラルドキャッツアイ 0.170ctルース
Sold out コロンビア産雲母インエメラルド 0.140ctルース
Sold out コロンビア産ノンオイルエメラルド 5.3mm/0.600ctルース GIA
Sold out コロンビア産エメラルド 0.070ctルース
Sold out コロンビア産パイライト・雲母インエメラルド 0.739ctルース
Sold out コロンビア産パイライトインエメラルド 2.905ctルース
Sold out コロンビア産トラピッチェエメラルド 1.591ctルース
Sold out [Sales start 9/5 at 10 PM] 《Limited 5 stones》 Raw Colombian Emerald (avg. 0.52ct) 《Multi-buy discount available》
Sold out コロンビア産ノンオイルエメラルド 0.080ctルース
Sold out ユークレース 3.417ct原石
Sold out (In Stock) Lottery Sale 4 [For Winners Only] [Published on 12559711] Colombian Oil-Free Emerald 0.050ct Loose Stone (NONE) GIA
Sold out コロンビア産パイライトインエメラルド 4.680ct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.