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blue zircon

Among the many color variations of zircon, blue is the most popular and valuable. Blue zircon is generally heat treated, and it is said that many beautiful colors are created by heating. The one with a particularly vivid color is called Ratanakiri Blue and is very popular.

Karatz GemMagazine
" Blue Zircon "

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Sold out Limited to 14 stones: 1 Cambodian Ratanakiri Blue Zircon (4mm) Multiple purchase discounts available
Sold out 《Limited to 5 stones》Cambodian Ratanakiri Blue Zircon Gacha (average 0.73ct)《Multiple Purchase Discount Available》
Sold out [Available 9/12 at 10 PM] 《Limited to 10 stones》 Gemstone Gacha featuring top-color benitoite (regularly 32,800 yen), Saint-J blue zircon, and other gems with beautiful fire 《Multi-buy discount available》
Sold out [On sale 8/12, 10 PM] "Limited to 10 stones" Strong Fire Gem Gacha featuring 3mm Benitoite and Blue Zircon, normally 42,800 yen (multiple purchase discount available)
Sold out カンボジア産ブルージルコン(ラタナキリブルー) 0.419ctルース
Sold out カンボジア産ブルージルコン(ラタナキリブルー) 3.256ctルース
Sold out Pt900/Pt850 カンボジア産ブルージルコン(ラタナキリブルー) 2.45ct ペンダント(ネックレス) 中宝ソ
Sold out カンボジア産ブルージルコン 0.744ctルース
Sold out カンボジア産ブルージルコン(ラタナキリブルー) 1.455ctルース
Sold out カンボジア産ブルージルコン(ラタナキリブルー) 1.782ctルース
Sold out Pt900 ブルージルコン(ラタナキリブルー) 2.27ct リング
Sold out ブルージルコン 0.348ctルース
Sold out カンボジア産ブルージルコン(ラタナキリブルー) 0.519ctルース
Sold out Cambodian Blue Zircon (Ratanakiri Blue) 0.354ct Loose Stone
Sold out カンボジア産ブルージルコン(ラタナキリブルー) 0.615ctルース
Sold out Cambodian Blue Zircon (Ratanakiri Blue) 0.537ct Loose

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.