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Ruby and sapphire from Greenland

Ruby and sapphire are produced in various parts of the world, and some have been mined since BC, such as Sri Lanka, but it is said that rubies from Greenland were discovered in the 1960s and began appearing on the market around 2017 . However, it is thought to be the oldest in the world, and is one of the production areas that has been attracting attention in recent years. Many of them have a relatively strong pink hue, and the gentle pink hue that symbolizes the coldness of Greenland is also one of its charms.

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Sold out グリーンランド産アイスルビー 1石(ハートシェイプ,4mm,ピンクサファイア)《複数購入割引有》
Sold out グリーンランド産ルビー 1石(ラウンドカット,2mm)
Sold out グリーンランド産アイスルビー 1石(ハートシェイプ,4mm)
Sold out グリーンランド産ルビー 0.671ctルース
Sold out グリーンランド産ルビー 0.526ctルース 証明書付
Sold out グリーンランド産ルビー 0.672ctルース 証明書付
Sold out Ice ruby ​​from Greenland (pink sapphire) 0.479ct loose with certificate
Sold out グリーンランド産ルビー0.365ctルース 証明書付
Sold out グリーンランド産ルビー0.337ctルース証明書付
Sold out グリーンランド産ルビー 0.704ctルース 証明書付
Sold out グリーンランド産ルビー 0.655ctルース 証明書付
Sold out グリーンランド産ルビー 0.685ctルース 証明書付
Sold out グリーンランド産サファイア 0.400ctルース(ピンクサファイア) 証明書付
Sold out グリーンランド産ルビー 0.726ctルース 証明書付

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の取り組みと社会貢献

業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。

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.