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Ruby

Ruby is the birthstone of July. It is a type of corundum, the same mineral as sapphire, and is a red gemstone. It is also said to be the representative of red gemstones, and has a long history of being cherished all over the world since ancient times. With a hardness of 9, it is the second hardest after diamond and is highly durable, making it a gemstone that can be enjoyed on a daily basis as jewelry.

Karatz GemMagazine
" Ruby "

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Ruby 0.106ct loose Sale price¥12,800

Ruby 0.282ct loose Sale price¥8,800

Ruby 0.182ct loose Sale price¥8,800

Ruby 0.209ct loose Sale price¥8,800

Ruby 0.472ct loose Sale price¥6,980

Sold out ビルマ産非加熱スタールビー 0.77ctルース - KARATZ STORE|カラッツSTORE
Sold out K18ダイヤモンド0.27ct ・ルビーペンダント - KARATZ STORE|カラッツSTORE
Sold out K18PGルビー0.14ct ペンダント(ネックレス) - KARATZ STORE|カラッツSTORE
Sold out K18PGルビー0.12ct ペンダント(ネックレス) - KARATZ STORE|カラッツSTORE
Sold out K18ルビーペンダント(ネックレス) - KARATZ STORE|カラッツSTORE
Sold out K18WGルビー0.07ct ペンダント(ネックレス) - KARATZ STORE|カラッツSTORE
Sold out トラピッチェルビー 0.556ct原石 - KARATZ STORE|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.