Sea blue chalcedony 6.964ct loose
Sale price¥7,980
Emerald 0.295ct loose
Sale price¥19,800
{Yurakucho Marui 2024112 takeout} Bicolor sapphire 0.417ct loose stone
Sale price¥45,800
Bicolor sapphire 0.279ct loose
Sale price¥25,800
《Yurakucho Marui 2024112 takeout》Colombian emerald 0.225ct loose stone
Sale price¥15,800
《Yurakucho Marui 2024112 takeout》Colombian emerald 0.495ct loose stone
Sale price¥39,800
Emerald 0.208ct loose
Sale price¥15,800
《Yurakucho Marui 2024112 takeout》 Emerald 0.153ct loose stone
Sale price¥14,800
Tanzanite 1.614ct loose
Sale price¥24,800
Brazilian Paraiba tourmaline in quartz 4.070ct loose
Sale price¥19,800
Brazilian Paraiba tourmaline in quartz 2.864ct loose
Sale price¥15,800
Brazilian Paraiba tourmaline in quartz 2.801ct loose
Sale price¥16,800
《Yurakucho Marui 2024112 takeout》Colombian emerald 0.156ct loose stone
Sale price¥19,800
Particolor tourmaline 24.147ct loose
Sale price¥59,800
Inventory Investigation: Set of 2 White Topaz, 4.240ct Loose
Sale price¥8,800
White topaz 4.030ct loose
Sale price¥8,800
Bicolor sapphire 0.311ct loose
Sale price¥19,800
Bicolor sapphire 0.202ct loose
Sale price¥22,800
[Mr. KEN] Oregon Sunstone 0.523ct Loose
Sale price¥6,980
[KEN] Fire opal 1.381ct loose
Sale price¥6,980
[Mr. KEN] Fire Opal 0.937ct Loose
Sale price¥4,980
Bloodshot Iolite Sunstone 1.920ct Loose
Sale price¥8,800
Bloodshot Iolite Sunstone 1.300ct Loose
Sale price¥7,980
[KEN] Orthoclase 2.940ct loose
Sale price¥7,980
Bicolor kyanite 1.080ct loose
Sale price¥12,800
Bicolor kyanite 1.070ct loose
Sale price¥13,800
Bicolor kyanite 0.960ct loose
Sale price¥12,800
Hollandite in quartz 7.350ct loose
Sale price¥19,800
Hollandite in quartz 5.070ct loose
Sale price¥19,800
Garden quartz 8.690ct loose
Sale price¥5,980
Sphene 0.570ct loose
Sale price¥5,980
Oregon sunstone 0.740ct loose
Sale price¥12,800
Morganite 3.220ct loose
Sale price¥19,800
Emerald 15.219ct loose Japanese-German book
Sale price¥298,000
Benitoite 5 stone set 0.124ct loose (gradation)
Sale price¥29,800
Hackmanite 0.260ct loose
Sale price¥9,800
Orange kyanite 1.710ct loose
Sale price¥15,800
Orange kyanite 1.070ct loose
Sale price¥12,800
Hollandite in quartz 8.690ct loose
Sale price¥29,800
Hollandite in quartz 7.300ct loose
Sale price¥25,800
Parrot chrysoberyl 2 stone pair 5mm loose
Sale price¥12,800
Bicolor sapphire from Tanzania 1.20ct loose (Windsor sapphire)
Sale price¥9,800
Bicolor Zoisite 2.407ct loose
Sale price¥48,800
Brazilian Euclase 0.492ct loose
Sale price¥12,800
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.