Euclase from Colombia 2.443ct Ruth Japanese German edition
Sale price¥188,000
Brazilian Paraiba tourmaline in quartz 3.678ct loose
Sale price¥19,800
Brazilian Limonite Inveryl 4.795ct loose
Sale price¥8,800
Brazilian Paraiba tourmaline 0.229ct loose (CuO:0.6%, MnO:1.0%)
Sale price¥39,800
Euclase from Brazil 0.210ct Ruth Japanese German edition
Sale price¥39,800
Red beryl 0.207ct loose Japanese-German book
Sale price¥45,800
Conch pearl 0.775ct loose《June birthstone》
Sale price¥49,800
Colombian Euclase 0.520ct Ruth (Blue Euclase)
Sale price¥98,000
Fire opal 0.330ct loose
Sale price¥3,980
Fire opal 0.390ct loose
Sale price¥4,980
Fire opal 0.640ct loose
Sale price¥5,980
Fire opal 0.780ct loose
Sale price¥6,980
Fire opal 1.110ct loose
Sale price¥6,980
Fire opal 2.250ct loose
Sale price¥14,800
Fire opal 9.430ct loose
Sale price¥49,800
Synthetic alexandrite 0.660ct loose
Sale price¥11,800
Cantera Opal 18.00ct loose
Sale price¥39,800
Prehnite 17.668ct loose stone
Sale price¥25,800
Tanzanian Iolite 1.157ct loose stone
Sale price¥9,800
[Koshu Precious Stone Kiriko] Tinkerbell Quartz 3.790ct loose with patch
Sale price¥49,800
[Koshu Precious Stone Kiriko] Bicolor Fluorite 6.980ct Loose with Patch
Sale price¥79,800
Oregon Sunstone 1.212ct loose
Sale price¥12,800
Oregon Sunstone 1.167ct Loose
Sale price¥12,800
Oregon Sunstone 0.990ct Loose
Sale price¥8,800
Oregon Sunstone 0.988ct loose
Sale price¥8,800
Bicolor Sphene 4.50ct loose
Sale price¥258,000
[Dandelion cut] Purple spinel 6mm loose with patch
Sale price¥49,800
Color change garnet 0.290ct loose
Sale price¥3,980
Yellow diamond 2.8mm/0.102ct loose (TLC/VS class equivalent)
Sale price¥12,800
Diamond 0.169ct loose (F, VS2)
Sale price¥25,800
Diamond 0.334ct loose (F, SI1)
Sale price¥55,800
Aragonite 2.088ct loose Japanese-German book
Sale price¥29,800
Dumortierite in quartz 55.207ct rough stone
Sale price¥14,800
Lymonite Inveryl 5.370ct loose
Sale price¥8,800
Lymonite Inveryl 11.840ct loose
Sale price¥15,800
Lymonite Inveryl 2.660ct loose
Sale price¥5,980
Kunzite Cat's Eye 25.941ct Loose
Sale price¥29,800
Brazilian Euclase 0.492ct loose
Sale price¥12,800
Bicolor sapphire from Tanzania 1.20ct loose (Windsor sapphire)
Sale price¥9,800
Parrot chrysoberyl 2 stone pair 5mm loose
Sale price¥12,800
Hollandite in quartz 7.300ct loose
Sale price¥25,800
Hollandite in quartz 8.690ct loose
Sale price¥29,800
Orange kyanite 1.070ct loose
Sale price¥12,800
Orange kyanite 1.710ct loose
Sale price¥15,800
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.
