Aragonite 2.088ct loose Japanese-German book
Sale price¥29,800
Diamond 0.334ct loose (F, SI1)
Sale price¥55,800
Diamond 0.169ct loose (F, VS2)
Sale price¥25,800
Yellow diamond 2.8mm/0.102ct loose (TLC/VS class equivalent)
Sale price¥12,800
Pair of 2 yellow diamonds 2.5mm/0.162ct loose (TLC/VS class equivalent)
Sale price¥18,800
Color change garnet 0.290ct loose
Sale price¥3,980
[Dandelion cut] Purple spinel 6mm loose with patch
Sale price¥49,800
Bicolor Sphene 4.50ct loose
Sale price¥258,000
[Mr. KEN] Oregon Sunstone 0.988ct Loose
Sale price¥8,800
[Mr. KEN] Oregon Sunstone 0.990ct Loose
Sale price¥8,800
[Mr. KEN] Oregon Sunstone 1.167ct Ruth
Sale price¥12,800
[Mr. KEN] Oregon Sunstone 1.212ct Ruth
Sale price¥12,800
[Koshu Precious Stone Kiriko] Bicolor Fluorite 6.980ct Loose with Patch
Sale price¥79,800
[Koshu Precious Stone Kiriko] Tinkerbell Quartz 3.790ct loose with patch
Sale price¥49,800
[KEN] Iolite from Tanzania 1.157ct loose
Sale price¥9,800
Ludwigite imperidot 2.932ct loose
Sale price¥12,800
[Mr. KEN] Play night 17.668ct loose
Sale price¥25,800
Cantera Opal 18.00ct loose
Sale price¥39,800
Synthetic alexandrite 0.660ct loose
Sale price¥11,800
Fire opal 9.430ct loose
Sale price¥49,800
Fire opal 2.250ct loose
Sale price¥14,800
Fire opal 0.780ct loose
Sale price¥6,980
Fire opal 0.640ct loose
Sale price¥5,980
Fire opal 0.390ct loose
Sale price¥4,980
Fire opal 0.330ct loose
Sale price¥3,980
Conch pearl 0.775ct loose《June birthstone》
Sale price¥49,800
Red beryl 0.207ct loose Japanese-German book
Sale price¥45,800
Euclase from Brazil 0.210ct Ruth Japanese German edition
Sale price¥39,800
Brazilian Paraiba tourmaline 0.229ct loose (CuO:0.6%, MnO:1.0%)
Sale price¥39,800
Brazilian Paraiba tourmaline 0.194ct loose (CuO:1.2%, MnO:1.6%)
Sale price¥35,800
Brazilian Limonite Inveryl 4.795ct loose
Sale price¥8,800
Brazilian Paraiba tourmaline in quartz 3.678ct loose
Sale price¥19,800
Euclase from Colombia 2.443ct Ruth Japanese German edition
Sale price¥188,000
Unheated Brazilian Paraiba tourmaline 0.040ct loose AIGS
Sale price¥39,800
Amazon green opal 1.530ct loose
Sale price¥5,980
Amazon green opal 1.330ct loose
Sale price¥5,980
Star sapphire 0.768ct loose
Sale price¥3,980
Medusa Quartz (Paraiba Quartz) 3.890ct loose
Sale price¥14,800
[Mr. KEN] Tourmaline from Africa 0.767ct loose
Sale price¥3,980
[Mr. KEN] Tourmaline from Africa 0.709ct loose
Sale price¥4,980
[Mr. KEN] Tourmaline from Africa 0.374ct loose
Sale price¥3,980
Mexican fire opal 0.740ct loose
Sale price¥11,800
Bicolor sapphire 0.730ct loose
Sale price¥19,800
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.