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sea ​​blue chalcedony

Sea blue chalcedony has an impressive refreshing blue color reminiscent of the sea of ​​a southern island. It is a type of chalcedony, which is a polycrystalline quartz. Sea blue chalcedony mainly produces this color through coloring. They range from semi-transparent to opaque, and the atmosphere varies depending on the transparency and cut, so comparing them is one way to enjoy them.

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Sold out Limited to 14 stones: Sea blue chalcedony 1 loose stone (blue) Multiple purchase discounts available
Sold out Limited to 10 stones: Sea blue chalcedony 1 loose stone (green) Multiple purchase discounts available
Sold out Water Play 13 Stone Set (Santa Maria Aquamarine, Sea Blue Chalcedony, Blue Zircon, Diamond, etc.) Half Eternity Ring Set (2.0mm)
Sold out 【猫カット】シーブルーカルセドニー 3.273ctルース
Sold out シーブルーカルセドニー 12.191ctルース
Sold out 【アイスバー】シーブルーカルセドニー×オニキスペンダントトップ(ネックレストップ) - カラッツSTORE
Sold out 【金平糖】K18シーブルーカルセドニーピアス
Sold out 【金平糖】シーブルーカルセドニーペンダントトップ
Sold out 【金平糖】シーブルーカルセドニー 3.020ctルース
Sold out 【金平糖】シーブルーカルセドニー 2.606ctルース - カラッツSTORE
Sold out 【12520618掲載】カルセドニー 2.61ctルース
Sold out 【シミズ貴石代表・清水幸雄氏】シーブルーカルセドニー 29.422ct箸置き 箔押しサイン&ワッペン付き
Sold out 【金平糖】シーブルーカルセドニー 2.881ctルース - カラッツSTORE

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.

The fifth reprint has been decided and is now on sale at bookstores nationwide and online.

Written by KARATZ, book “Jewelry Illustrated Book”

The book provides explanations about over 300 types of gemstones, from new standard birthstones to rare stones that are hard to find, as well as a diary of our company representative, Mr. Koyama's, gemstone shopping experience in Thailand and Sri Lanka, and tips for photographing gemstones, allowing you to learn about the appeal of gemstones from various perspectives.