Australian black opal 0.977ct loose stone
Sale price¥29,800
Australian black opal 0.407ct loose stone
Sale price¥8,800
Australian black opal 0.679ct loose stone
Sale price¥19,800
《Yurakucho Marui 2024112 takeout》Australian black opal 0.578ct loose
Sale price¥19,800
Australian black opal 0.410ct loose stone
Sale price¥15,800
Australian black opal 0.294ct loose
Sale price¥8,800
《Yurakucho Marui 2024112 takeout》Australian black opal 0.762ct loose
Sale price¥18,800
Colombian emerald 0.277ct rough stone
Sale price¥12,800
Colombian emerald 0.300ct rough stone
Sale price¥12,800
Colombian emerald 0.498ct rough stone
Sale price¥19,800
Colombian emerald 0.625ct rough stone
Sale price¥18,800
Colombian emerald 0.234ct rough stone
Sale price¥8,800
Colombian emerald 0.381ct rough stone
Sale price¥12,800
Colombian emerald with pyrite 0.248ct rough stone
Sale price¥12,800
Chrysoberyl cat's eye 1.156ct loose stone
Sale price¥18,800
Chrysoberyl cat's eye 1.105ct loose stone
Sale price¥7,980
Chrysoberyl Cat's Eye 0.371ct Loose Stone
Sale price¥6,980
Chrysoberyl cat's eye 0.495ct loose stone
Sale price¥8,800
Benitoite 0.207ct loose stone
Sale price¥39,800
Pigeon Blood Ruby 0.441ct Loose Stone
Sale price¥69,800
[10/2 22:00 Sale] Ruby 0.289ct Loose by Takakikyo
Sale price¥12,800
Pigeon Blood Ruby 0.295ct Loose AIGS
Sale price¥49,800
[On sale at 10pm on 10/23] Royal Blue Sapphire 1.010ct Loose AIGS
Sale price¥198,000
Non-Oil Emerald 0.555ct Loose Stone by Nikkei
Sale price¥288,000
Colombian oil-free emerald 0.310ct loose stone
Sale price¥298,000
Brazilian Dumortierite in Quartz 0.676ct loose stone
Sale price¥8,800
Brazilian Dumortierite in Quartz 0.495ct loose stone
Sale price¥5,980
Brazilian Dumortierite in Quartz 0.387ct loose stone
Sale price¥5,980
Brazilian Dumortierite in Quartz 0.432ct Loose Stone
Sale price¥6,980
Golden Iolite (Cordierite) 0.402ct loose stone
Sale price¥8,800
Golden Iolite (Cordierite) 0.341ct loose stone
Sale price¥6,980
Brazilian Alexandrite 0.054ct loose stone
Sale price¥9,800
Brazilian alexandrite 0.061ct loose
Sale price¥12,800
Brazilian alexandrite 0.058ct loose
Sale price¥12,800
Brazilian alexandrite 0.051ct loose
Sale price¥11,000
Brazilian alexandrite 0.051ct loose
Sale price¥11,000
Brazilian alexandrite 0.051ct loose
Sale price¥9,800
Brazilian alexandrite 0.060ct loose
Sale price¥12,800
Brazilian Alexandrite 2.8mm/0.077ct loose stone
Sale price¥11,000
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.