Sierra Leone sapphire 1.210ct loose
Sale price¥9,800
Sierra Leone sapphire 1.470ct loose
Sale price¥14,800
Leuko garnet from Myanmar 0.294ct loose
Sale price¥19,800
Diamond 0.119ct loose (G, SI1)
Sale price¥24,800
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
Andesine Labradorite (commonly known as Rainbow Moonstone) 0.853ct loose
Sale price¥15,800
Russian demantoid garnet (horsetail recognized) 0.214ct loose
Sale price¥59,800
Colombian mica in emerald 1.940ct loose
Sale price¥49,800
Colombian mica in emerald 1.314ct loose
Sale price¥39,800
Blue sapphire from Sri Lanka 1.702ct loose (sugar loaf cut)
Sale price¥59,800
Russian demantoid garnet (horsetail recognized) 4.2mm/0.336ct loose
Sale price¥98,000
[Mr. KEN] African pink tourmaline 1.006ct loose (phantom cut)
Sale price¥12,800
[KEN] Opal from Mexico 8mm/1.430ct loose
Sale price¥39,800
Bicolor tourmaline 1.248ct loose
Sale price¥8,800
Bicolor tourmaline 1.097ct loose
Sale price¥6,980
[Mr. KEN] Tourmaline cat's eye 0.810ct loose
Sale price¥4,980
[KEN] Mexican fire opal 1.30ct loose
Sale price¥6,980
Indigolite tourmaline 0.692ct loose Japanese-German book
Sale price¥14,800
Australian opal 14.837ct loose
Sale price¥118,000
Colombian emerald 10.708ct rough stone
Sale price¥14,800
Trapiche emerald 0.650ct loose (reverse trapiche)
Sale price¥8,800
Star sapphire 0.973ct loose
Sale price¥5,980
Hessonite garnet 3.789ct loose
Sale price¥14,800
Burmese unheated ruby 1.354ct loose
Sale price¥59,800
[KEN] Fire opal from Mexico 1.190ct loose
Sale price¥25,800
Bicolor tourmaline 2.110ct loose
Sale price¥9,800
Bicolor tourmaline 3.080ct loose
Sale price¥14,800
Mandarin Garnet 2.040ct loose
Sale price¥55,800
Ice blue sapphire 3.813ct loose
Sale price¥49,800
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.
