Oregon Sunstone from the United States 0.78ct loose stone (bicolor)
Sale price¥7,980
African Tourmaline 0.711ct Loose Stone
Sale price¥5,980
Mexican Fire Opal 0.934ct Loose
Sale price¥3,980
Italian Leucite 0.287ct loose stone (play of color)
Sale price¥9,800
Tanzanian bicolor tanzanite 1.644ct rough and loose stone set of 2
Sale price¥8,800
Hackmanite from Afghanistan, 27.410ct rough stone
Sale price¥9,800
Brazilian bicolor tourmaline 0.540ct loose stone
Sale price¥5,980
Mexican Opal 4.5mm/0.220ct Loose
Sale price¥5,980
Tanzanian Tourmaline 0.676ct Loose Stone
Sale price¥5,980
[Rouge cut] Almandine garnet 2.476ct loose stone
Sale price¥9,800
Myanmar Purple Spinel 0.720ct Loose
Sale price¥6,980
Myanmar spinel 0.770ct loose stone
Sale price¥7,980
Myanmar Purple Spinel 0.680ct Loose
Sale price¥8,800
Myanmar spinel 4.0mm/0.263ct loose stone
Sale price¥7,980
Mexican Cantera Opal 3.604ct Loose
Sale price¥7,980
Sri Lankan Yellow Sapphire 0.253ct Loose
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.226ct Loose
Sale price¥8,800
Blue beryl (Macis beryl) 3.5mm/0.152ct loose stone
Sale price¥8,800
Blue Beryl (Macisi Beryl) 3.6mm/0.176ct loose stone
Sale price¥8,800
Blue Beryl (Macisi Beryl) 3.5mm/0.158ct loose stone
Sale price¥8,800
Indian Moonstone 6.2mm/0.749ct Loose
Sale price¥7,980
Brazilian rutilated quartz (rutile quartz) 12mm/7.140ct loose stone
Sale price¥9,800
Brazilian rutilated quartz (rutile quartz) 12mm/6.709ct loose stone
Sale price¥9,800
Oregon Sunstone from the United States 2.467ct loose stone
Sale price¥9,800
Sri Lankan Chrysoberyl Cat's Eye 0.532ct Loose Stone
Sale price¥5,980
Brazilian bicolor tourmaline 0.763ct loose stone
Sale price¥7,980
Colombian Trapiche Emerald 1.341ct Loose
Sale price¥6,980
Myanmar Purple Spinel 0.514ct Loose Stone
Sale price¥8,800
Tanzanian bicolor tanzanite 3.018ct rough and loose stone set of 2
Sale price¥6,980
Montana Sapphire 2.5mm/0.073ct Loose Stone (Blue Sapphire)
Sale price¥8,800
Brazilian bicolor tourmaline 0.548ct loose stone
Sale price¥9,800
Madagascar sapphire 3.0mm/0.126ct loose stone
Sale price¥8,800
Burmese Ruby 0.239ct Loose
Sale price¥9,800
Emerald 0.156ct loose stone
Sale price¥8,800
Color shift amethyst 1.216ct loose stone
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.