Sri Lankan white sapphire 2.9mm/0.086ct loose (rose cut)
Sale price¥5,980
[KEN] Tourmaline from Africa 0.813ct loose
Sale price¥9,800
Brazilian imperial topaz 0.467ct loose
Sale price¥15,800
Color change garnet from Madagascar 0.855ct loose
Sale price¥12,800
Color change garnet from Madagascar 0.648ct loose
Sale price¥9,800
Tanzanite 1.180ct loose
Sale price¥24,800
[Mr. Sanjay] Aquamarine 2.200ct loose
Sale price¥6,580
[Mr. Sanjay] Aquamarine 2.280ct loose
Sale price¥6,580
Yellow tourmaline 2.290ct loose
Sale price¥8,800
Hessonite garnet 6.370ct loose
Sale price¥9,800
Australian boulder opal 13.190ct loose
Sale price¥19,800
Australian boulder opal 14.860ct loose
Sale price¥19,800
Australian boulder opal 9.020ct loose
Sale price¥19,800
Brazilian aquamarine 0.960ct loose
Sale price¥19,800
Unheated silky pink sapphire from Vietnam 0.439ct loose
Sale price¥25,800
Unheated silky pink sapphire from Vietnam 0.336ct loose
Sale price¥18,800
Paraiba tourmaline from Brazil 0.055ct loose (CuO:1.5%,MnO:3.2%)
Sale price¥45,800
Paraiba tourmaline from Brazil 0.066ct loose (CuO:1.7%,Mn0:2.1%)
Sale price¥35,800
Green opal 15.950ct loose
Sale price¥39,800
Mexican fire opal 6.742ct loose
Sale price¥98,000
Green tourmaline 9.537ct loose
Sale price¥98,000
Peridot 8.8mm/2.405ct loose
Sale price¥22,800
Rubellite from Mozambique 0.748ct loose
Sale price¥14,800
Rubellite from Mozambique 0.780ct loose
Sale price¥15,800
Rubellite from Mozambique 0.948ct loose
Sale price¥24,800
American Anthill Garnet (Chrome Pyrope Garnet) 5mm/0.540ct Loose
Sale price¥22,800
Kenyan tsavorite 0.686ct loose
Sale price¥45,800
Madeira Citrine 6mm/0.914ct loose
Sale price¥8,800
Andesine Labradorite (commonly known as Rainbow Moonstone) 0.977ct loose
Sale price¥22,800
Topaz cat's eye 8.781ct loose
Sale price¥12,800
《Yurakucho Marui 2024112 takeout》Topaz Cat's Eye 7.869ct Loose
Sale price¥11,800
Rubellite 2.115ct loose Japanese-German book
Sale price¥88,800
《Yurakucho Marui 2024112 takeout》Tanzanite 2.726ct loose stone
Sale price¥118,000
Royal blue sapphire 0.81ct loose AIGS
Sale price¥88,800
Montana Sapphire 0.119ct loose
Sale price¥16,800
《Yurakucho Marui 2024112 takeout》Malawi sapphire 3mm/0.144ct loose stone
Sale price¥22,800
Montana Sapphire 3mm/0.154ct loose
Sale price¥22,800
[Cat cut] Bankacha sapphire 6mm/0.812ct loose
Sale price¥14,800
South African green diamond rough (makeable) 0.298ct loose
Sale price¥79,800
Colombian Trapiche Emerald (Reverse Trapiche) 0.329ct Rough Stone
Sale price¥39,800
Cantera opal 14.581ct loose
Sale price¥45,800
Russian demantoid garnet (horsetail recognized) 0.600ct loose
Sale price¥148,000
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.
