Ethiopian Opal 0.629ct Loose (Sphere)
Sale price¥7,980
Yellow Opal 0.372ct Loose (Faceted Cut)
Sale price¥8,800
Yellow Opal 0.361ct Loose (Faceted Cut)
Sale price¥6,980
Mexican Hyalite Opal 1.215ct Loose (Faceted Cut)
Sale price¥9,800
Australian black opal 0.388ct loose stone
Sale price¥12,800
Ethiopian Opal 5.7mm/0.878ct Loose (Sphere)
Sale price¥7,980
Mexican Fire Opal 0.599ct Loose
Sale price¥6,980
Australian black opal 3.027ct loose stone
Sale price¥15,800
Mexican Opal 4.302ct Loose
Sale price¥19,800
Australian black opal 0.650ct loose
Sale price¥18,800
Mexican Opal 1.666ct Loose
Sale price¥14,800
Mexican Fire Opal 0.669ct Loose (Contralus Opal)
Sale price¥15,800
[E_27 Yurakucho Marui Take-out] Mexican Water Opal 1.794ct Loose
Sale price¥39,800
Ethiopian honeycomb opal 3.566ct loose stone
Sale price¥46,800
Mexican Opal 9.6mm/1.803ct Loose (Contralus Opal)
Sale price¥69,800
Ethiopian Opal 0.961ct Loose (Sphere)
Sale price¥7,980
Mexican Fire Opal 0.736ct Loose
Sale price¥8,800
Australian Opal 1.170ct Loose
Sale price¥18,800
[E_27 Yurakucho Marui Take-out] Australian black opal 0.533ct loose
Sale price¥15,800
Australian black opal 0.232ct loose stone
Sale price¥8,800
Australian black opal 1.107ct loose stone
Sale price¥35,800
Australian black opal 0.977ct loose stone
Sale price¥29,800
Australian black opal 0.407ct loose stone
Sale price¥8,800
Australian black opal 0.679ct loose stone
Sale price¥19,800
Australian black opal 0.410ct loose stone
Sale price¥15,800
Australian black opal 0.294ct loose
Sale price¥8,800
Mexican Fire Opal 1.833ct Loose
Sale price¥49,800
Mexican Fire Opal 1.424ct Loose
Sale price¥49,800
Mexican Fire Opal 1.877ct Loose
Sale price¥14,800
Mexican water opal 1.558ct loose stone
Sale price¥18,800
Ethiopian Opal 2.131ct Loose
Sale price¥12,800
Ethiopian Opal 1.694ct Loose
Sale price¥8,800
Mexican Opal 0.677ct Loose
Sale price¥6,980
Mexican Opal 0.681ct Loose
Sale price¥6,980
Mexican Opal 0.648ct Loose
Sale price¥14,800
Mexican Opal 0.499ct Loose
Sale price¥5,980
Mexican Opal 0.854ct Loose
Sale price¥6,980
Australian black opal 2.407ct loose
Sale price¥59,800
Mexican Fire Opal 0.829ct Loose
Sale price¥9,800
Mexican Fire Opal 0.599ct Loose
Sale price¥5,980
Mexican Fire Opal 2.235ct Loose
Sale price¥26,800
Mexican Fire Opal 1.743ct Loose
Sale price¥24,800
Mexican Fire Opal 2.599ct Loose
Sale price¥31,800
Mexican Fire Opal 3.425ct Loose
Sale price¥29,800
Mexican Fire Opal 0.960ct Loose
Sale price¥39,800
Mexican Fire Opal 1.138ct Loose
Sale price¥15,800
Mexican Fire Opal 0.832ct Loose
Sale price¥9,800
Australian Opal 0.760ct Loose
Sale price¥12,800

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.