Diamond 0.119ct loose (G, SI1)
Sale price¥24,800
Pezzotite from Madagascar 0.257ct loose
Sale price¥19,800
Taaffeite 0.241ct loose Japanese and German
Sale price¥49,800
Paraiba tourmaline from Brazil 0.205ct loose (CuO:0.8%, MnO:3.1%)
Sale price¥45,800
Paraiba tourmaline from Brazil 0.167ct loose (CuO:1.6%, MnO:3.0%)
Sale price¥35,800
Paraiba tourmaline from Brazil 0.086ct loose (CuO:1.5%, MnO:2.3%)
Sale price¥19,800
Brazilian Paraiba tourmaline 0.116ct loose (CuO:0.9%, MnO:2.4%)
Sale price¥26,800
Paraiba tourmaline from Brazil 0.226ct loose (CuO:0.7%, MnO:3.6%)
Sale price¥49,800
Brazilian Paraiba tourmaline 0.157ct loose (CuO:1.0%, MnO:3.7%)
Sale price¥32,800
Paraiba tourmaline from Brazil 3.1mm/0.151ct loose (CuO:1.1%, MnO:3.8%)
Sale price¥29,800
Paraiba tourmaline from Brazil 0.204ct loose
Sale price¥36,800
Paraiba tourmaline from Brazil 0.239ct loose
Sale price¥59,800
Paraiba tourmaline from Brazil 0.232ct loose
Sale price¥58,800
Paraiba tourmaline from Brazil 0.240ct loose (CuO:0.7%, MnO:3.8%)
Sale price¥59,800
Paraiba tourmaline from Brazil 0.166ct loose (CuO:0.7%, MnO:3.6%)
Sale price¥32,800
[KEN] Andesine 5.2mm/0.479ct loose
Sale price¥4,980
[KEN] Andesine 5.2mm/0.453ct loose
Sale price¥5,980
Russian demantoid garnet (horsetail recognized) 0.214ct loose
Sale price¥59,800
Spinel from Sri Lanka 0.276ct loose
Sale price¥4,980
Red beryl 0.173ct loose
Sale price¥29,800
Russian demantoid garnet (horsetail recognized) 4.2mm/0.336ct loose
Sale price¥98,000
Russian demantoid garnet (horsetail recognized) 4.4mm/0.394ct loose
Sale price¥88,800
Russian demantoid garnet (horsetail recognized) 4.6mm/0.423ct loose
Sale price¥98,000
Cobalt Garnite 0.175ct Loose Japanese-German Edition
Sale price¥49,800
Paraiba tourmaline from Brazil 0.134ct loose (CuO:0.8%, MnO:2.3%)
Sale price¥29,800
Cobalt spinel from Vietnam 2mm/0.031ct loose Japanese-German edition
Sale price¥59,800
Cobalt spinel from Vietnam 0.033ct loose Japanese-German edition
Sale price¥49,800
Kenyan gold sheen sapphire 0.257ct loose
Sale price¥29,800
Non-oil red beryl 0.21ct loose GIA
Sale price¥198,000
[KEN] Fire opal 0.448ct loose
Sale price¥6,980
Red beryl 0.104ct loose
Sale price¥19,800
Paudlettite 0.375ct loose Japanese-German book
Sale price¥298,000
Bicolor tourmaline 0.431ct loose
Sale price¥6,980
Veilinite from Pakistan (Vailinite) 0.168ct loose
Sale price¥55,800
Veilinite from Pakistan (Vailinite) 0.145ct loose
Sale price¥39,800
Star peridot 0.143ct loose
Sale price¥17,800
Star peridot 0.105ct loose
Sale price¥12,800
Star peridot 0.068ct loose
Sale price¥8,800
Purple spinel 0.424ct loose (rose cut)
Sale price¥9,800
Taaffeite from Myanmar 0.187ct Ruth Japanese and German
Sale price¥39,800
Pink tourmaline 0.391ct loose
Sale price¥5,980
Pink tourmaline 0.326ct loose
Sale price¥4,980
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.