Australian Rainbow Lattice Sunstone 1.746ct Loose Stone
Sale price¥15,800
Spessartite Garnet from Madagascar 1.053ct loose stone
Sale price¥29,800
Tanzanian Mandarin Garnet 0.359ct Loose Stone
Sale price¥22,800
Myanmar orange spinel 0.267ct loose stone
Sale price¥14,800
Myanmar orange spinel 0.295ct loose stone
Sale price¥14,800
Myanmar orange spinel 0.377ct loose stone
Sale price¥15,800
[E_27 Yurakucho Marui Takeout] Bicolor Tourmaline 4.448ct Loose
Sale price¥55,800
[E_27 Yurakucho Marui Take-out] Bicolor Andesine 1.485ct Loose Stone
Sale price¥17,800
Tibetan bicolor andesine 1.485ct loose stone (color change andesine)
Sale price¥18,800
Mongolian bicolor andesine (color change andesine) 1.305ct loose stone
Sale price¥15,800
Mexican Fire Opal 0.599ct Loose
Sale price¥6,980
Mexican Opal 4.302ct Loose
Sale price¥19,800
Detroit City Rhodochrosite 4mm/0.434ct Loose Stone
Sale price¥8,800
Mexican Opal 1.666ct Loose
Sale price¥14,800
Oregon Sunstone 0.575ct loose
Sale price¥12,800
Oregon sunstone 0.390ct loose
Sale price¥14,800
Sunstone (Illusion Sunstone) 0.553ct Loose
Sale price¥8,800
[Koshu Precious Stones plusthree] Citrine 5.121ct Loose
Sale price¥39,800
Triplite 0.439ct loose stone
Sale price¥12,800
Triplite 0.383ct loose stone
Sale price¥12,800
Mexican Fire Opal 0.736ct Loose
Sale price¥8,800
Non-Oil Emerald 0.555ct Loose Stone by Nikkei
Sale price¥288,000
Madagascar Pezzottaite 0.229ct loose stone
Sale price¥19,800
Madagascar Pezzottaite 0.386ct loose stone
Sale price¥9,800
Mexican Fire Opal 1.833ct Loose
Sale price¥49,800
Mexican Fire Opal 1.877ct Loose
Sale price¥14,800
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
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 rainbow lattice sunstone 0.564ct loose
Sale price¥6,980
Mexican Fire Opal 1.891ct Loose
Sale price¥24,800
[E_27 Yurakucho Marui Take-out] Mexican Fire Opal 1.348ct Loose
Sale price¥19,800

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.