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Colombian emerald

Colombia is famous for producing the highest quality emeralds. It is one of the production areas loved by emerald fans around the world. It is said that the emerald cut was devised to cut the hexagonal columnar Colombian emeralds more efficiently. Emerald is the birthstone for May.

Carats Gem Magazine
" Colombian emerald "

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Sold out コロンビア産エメラルド 0.167ctルース
Sold out 【12562785掲載】コロンビア産エメラルドキャッツアイ 0.574ctルース
Sold out コロンビア産エメラルド 4.7mm/0.468ctルース
Sold out [Sale starts 10 PM JST on 5/14] Colombian Emerald 1.571ct Loose Stone Pendant Top
Sold out コロンビア産エメラルド 2.018ctルース
Sold out 《Limited to 20 Stones》Emerald Gacha: Win a 2.2ct Columbia Emerald Koshu-Kiseki Cut (normally 79,800 yen) or an Emerald Cat's Eye! 《Multiple Purchase Discount Available》
Sold out Colombian emerald 10.940ct rough stone
Sold out Colombian emerald rough stone 18.900ct (with pyrite)
Sold out 0.243ct Colombian Emerald Pair Loose Stones
Sold out Colombian emerald rough stone 11.155ct (with pyrite)
Sold out Colombian emerald 3.0mm/0.098ct loose stone
Sold out Colombian emerald rough stone 13.577ct
Sold out Colombian emerald 8.169ct rough stone
Sold out Colombian emerald rough stone 6.933ct
Sold out K18YGコロンビア産エメラルド0.062ct・ダイヤモンドリング
Sold out コロンビア産エメラルド 0.121ctルース
Sold out ロンビア産エメラルド 0.126ctルース

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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.