Brazilian dumortierite in quartz 0.309ct loose
Sale price¥4,980
Sealite from Afghanistan 0.632ct loose
Sale price¥3,980
Sealite from Afghanistan 0.938ct loose
Sale price¥3,980
Sealite from Afghanistan 0.905ct loose
Sale price¥3,980
Sealight from Afghanistan 0.604ct loose
Sale price¥3,980
Sealite from Afghanistan 0.822ct loose
Sale price¥4,980
Sealight from Afghanistan 0.602ct loose
Sale price¥3,980
Brazilian dumortierite in quartz 3.814ct raw stone
Sale price¥3,980
Chrome tourmaline from Tanzania 2.5mm/0.076ct loose
Sale price¥3,980
Chrome tourmaline from Tanzania 2.5mm/0.061ct loose
Sale price¥3,980
Cambodian Blue Zircon 0.205ct Loose
Sale price¥4,980
Cambodian Blue Zircon 0.204ct Loose
Sale price¥4,980
Cambodian Blue Zircon 0.221ct Loose
Sale price¥4,980
Mica in quartz 1.967ct loose
Sale price¥3,980
Aventurine Aquamarine Cat's Eye 1.210ct Loose
Sale price¥4,980
Aventurine aquamarine cat's eye 1.421ct loose
Sale price¥4,980
Citrine 0.833ct loose stone
Sale price¥3,980
Brazilian citrine 1.216ct loose stone
Sale price¥4,980
Morganite from Nigeria 1.119ct loose
Sale price¥4,980
Morganite from Nigeria 0.889ct loose
Sale price¥4,980
Tanzania Kyanite 0.856ct loose stone
Sale price¥4,980
Chrome tourmaline 0.300ct loose stone
Sale price¥3,980
Oregon Sunstone 0.264ct loose
Sale price¥3,980
Lemon quartz 8mm/2.758ct loose (sugar loaf cut)
Sale price¥2,980
Topaz 2.628ct loose
Sale price¥3,980
Zircon 0.416ct loose
Sale price¥4,980
Zircon 0.194ct loose
Sale price¥2,980
Quartz 96.732ct loose (explosion crystal)
Sale price¥4,980
Myanmar trapichel ruby 0.179ct rough stone
Sale price¥3,980
Myanmar trapichel ruby 0.152ct rough stone
Sale price¥4,980

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.