Red beryl 0.181ct loose
Sale price¥49,800
Detroit City Rhodochrosite 4mm/0.432ct Loose Stone
Sale price¥8,800
Detroit City Rhodochrosite 4mm/0.434ct Loose Stone
Sale price¥8,800
Colombian mint color emerald 0.383ct loose stone
Sale price¥12,800
Colombian mint color emerald 0.158ct loose stone
Sale price¥5,980
Colombian mint color emerald 0.136ct loose stone
Sale price¥6,980
Colombian mint color emerald 0.155ct loose stone
Sale price¥7,980
Brazilian Santa Maria Aquamarine 0.161ct loose stone
Sale price¥5,980
Brazilian Santa Maria Aquamarine 0.178ct loose stone
Sale price¥6,980
[On sale at 10pm on 10/23] Royal blue sapphire 0.720ct loose stone
Sale price¥158,000
Brazilian Paraiba Tourmaline 0.177ct loose stone (CuO: 2.1%, MnO: 1.3%)
Sale price¥45,800
Tanzania Wurtzite 0.244ct loose stone by Nikkei
Sale price¥79,800
Yellow tourmaline 0.238ct loose stone
Sale price¥4,980
Colombian Trapiche Emerald 0.422ct Loose
Sale price¥22,800
Colombian Trapiche Emerald 0.746ct Loose
Sale price¥39,800
Colombian Trapiche Emerald 0.245ct Loose
Sale price¥18,800
Bicolor Zoisite 0.823ct rough stone
Sale price¥8,800
"Yurakucho Marui 2024112" Bicolor Tanzanite 1.677ct rough stone
Sale price¥8,800
Purple Zoisite 1.354ct rough stone
Sale price¥9,800
Colombian emerald 0.382ct loose stone
Sale price¥29,800
Colombian emerald with pyrite 1.902ct rough stone
Sale price¥29,800
Colombian emerald 0.153ct rough stone
Sale price¥7,980
Colombian emerald 0.202ct rough stone
Sale price¥9,800
Colombian emerald 0.161ct rough stone
Sale price¥6,980
Colombian emerald 0.499ct rough stone
Sale price¥15,800
Colombian emerald 0.443ct rough stone
Sale price¥9,800
Colombian emerald 0.575ct rough stone
Sale price¥12,800
Colombian emerald 1.329ct rough stone
Sale price¥19,800
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
Oregon Sunstone 0.361ct Loose
Sale price¥6,980
Padparadscha Sapphire 0.497ct Loose DGL
Sale price¥59,800
Myanmar Trapiche Ruby 0.152ct Loose
Sale price¥8,800
Tanzanian Kornerupine 0.298ct loose stone
Sale price¥35,800
Sinhalite from Sri Lanka 0.706ct loose stone
Sale price¥9,800
Brazilian Apatite in Jasper 0.961ct Loose Stone
Sale price¥5,980
Australian black opal 0.650ct loose
Sale price¥18,800
Mexican Opal 1.666ct Loose
Sale price¥14,800
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.