Colombian emerald 0.443ct rough stone
Sale price¥9,800
Mica in Quartz 0.865ct Loose Stone
Sale price¥6,980
Mica in Quartz 0.736ct loose stone
Sale price¥6,980
Mica in Quartz 0.710ct Loose
Sale price¥5,980
Mica in Quartz 0.594ct loose stone
Sale price¥5,980
Oregon Sunstone 0.359ct loose
Sale price¥8,800
Oregon Sunstone 0.272ct Loose
Sale price¥8,800
Sinhalite from Sri Lanka 0.706ct loose stone
Sale price¥9,800
Brazilian Apatite in Jasper 0.961ct Loose Stone
Sale price¥5,980
Benitoite 2.0mm/0.050ct loose stone (cabochon cut)
Sale price¥6,980
Pink diaspore 0.351ct loose stone
Sale price¥9,800
Ruby 0.110ct loose
Sale price¥9,800
[E_27 Yurakucho Marui Take-out] Aquamarine 0.327ct Loose
Sale price¥9,800
Pink amethyst 3.275ct loose stone
Sale price¥9,800
Lavender quartz (scorolite) 1.130ct loose stone
Sale price¥6,980
Lavender quartz (scorolite) 2.181ct loose stone
Sale price¥9,800
Lavender quartz (scorolite) 2.740ct loose stone
Sale price¥9,800
Sunstone (Illusion Sunstone) 0.553ct Loose
Sale price¥8,800
Yellow sapphire 0.287ct loose stone
Sale price¥9,800
Pink sapphire 0.202ct loose stone
Sale price¥9,800
Pink sapphire 0.202ct loose stone
Sale price¥8,800
Purple sapphire 0.199ct loose stone
Sale price¥8,800
Yellow sapphire 0.229ct loose stone
Sale price¥9,800
Spanish Andalusite 0.440ct loose stone
Sale price¥8,800
Spanish Andalusite 0.435ct loose stone
Sale price¥8,800
Diamond 0.042ct loose (VS class equivalent, emerald cut)
Sale price¥8,800
Brazilian Romanesite in Quartz 2.914ct loose stone
Sale price¥9,800
Tanzanian Chrome Tourmaline 0.988ct Loose Stone
Sale price¥6,980
Tanzanian Chrome Tourmaline 0.772ct Loose Stone
Sale price¥6,980
Tanzanian Chrome Tourmaline 0.798ct Loose Stone
Sale price¥6,980
Tanzanian Chrome Tourmaline 0.546ct Loose Stone
Sale price¥4,980
Tanzanian Chrome Tourmaline 0.522ct Loose Stone
Sale price¥5,980
Tanzanian Chrome Tourmaline 0.859ct Loose Stone
Sale price¥8,800
Ethiopian Opal 0.961ct Loose (Sphere)
Sale price¥7,980
Chrysoberyl cat's eye 1.088ct loose stone
Sale price¥8,800
Cristobalite in Quartz 1.660ct Loose
Sale price¥9,800
Brazilian Aquamarine 1.071ct Loose Stone (Phantom Cut)
Sale price¥9,800
Brazilian Aquamarine 0.874ct Loose Stone (Phantom Cut)
Sale price¥8,800

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.