South African Rhodochrosite 0.457ct loose stone
Sale price¥45,800
Kasharai Amethyst 0.756ct loose stone
Sale price¥8,800
Mexican Hyalite Opal 6.1mm/0.810ct Loose
Sale price¥15,800
Tanzania Bicolor Tsavorite 0.888ct Loose Stone
Sale price¥27,800
Paraiba Tourmaline from Mozambique 0.507ct loose stone
Sale price¥22,800
Brazilian parti-color tourmaline 1.412ct loose stone
Sale price¥39,800
Burmese gray spinel 0.827ct loose stone
Sale price¥28,800
Tanzania gray spinel 0.844ct loose stone
Sale price¥18,800
Australian black opal 0.599ct loose stone
Sale price¥18,800
1.085ct Blue Apatite Loose Stone from Madagascar
Sale price¥8,800
Madagascar Blue Apatite 1.110ct Loose Stone
Sale price¥8,800
Synthetic Alexandrite 0.582ct loose stone
Sale price¥15,800
Bicolor fluorite 1.281ct loose stone
Sale price¥7,980
Mozambique Almandine Garnet 1.071ct Loose Stone
Sale price¥9,800
Madagascar sphene 1.002ct loose stone
Sale price¥15,800
Madagascar sphene 1.080ct loose stone
Sale price¥12,800
Brazilian Rubellite 0.897ct loose stone
Sale price¥29,800
Purple sapphire 0.419ct loose stone
Sale price¥15,800
Afghanistan Hackmanite 0.364ct loose stone
Sale price¥15,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.441ct Loose Stone
Sale price¥22,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.568ct Loose Stone
Sale price¥22,800
Cambodian colorless zircon 0.676ct loose stone (orange fluorescence)
Sale price¥6,980
Madagascar pink sapphire 0.527ct loose stone
Sale price¥18,800
Madagascar Purple Sapphire 0.523ct Loose
Sale price¥15,800
[E_27 Yurakucho Marui Take-out] Spanish Sphalerite 1.609ct Loose
Sale price¥19,800
Indian Iolite Sunstone 0.359ct Loose Stone
Sale price¥12,800
Mexican Opal (Faceted Cut) 1.052ct Loose
Sale price¥19,800
Mexican Fire Opal (Faceted) 6.1mm/0.450ct Loose
Sale price¥12,800
Indian Moonstone 6.2mm/0.749ct Loose
Sale price¥7,980
Brazilian Green Tourmaline 0.764ct Loose Stone
Sale price¥9,800
Mexican Yellow Opal 0.673ct Loose
Sale price¥8,800
Myanmar pink spinel 0.465ct loose stone
Sale price¥19,800
Mongolian color change andesine 0.797ct loose stone
Sale price¥14,800
Myanmar Pink Spinel 0.79ct Loose Stone (with Crystal)
Sale price¥12,800
Cambodian colorless zircon 1.212ct loose stone
Sale price¥15,800
Pakistani emerald 0.436ct loose stone
Sale price¥49,800
Mozambique pink tourmaline 1.065ct loose stone
Sale price¥15,800
Andesine Labradorite (also known as Blue Moonstone) 0.949ct loose stone
Sale price¥45,800
Colombian Trapiche Emerald 0.629ct Loose
Sale price¥34,800
Myanmar Taaffeite 0.470ct Loose GIT
Sale price¥24,800

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.