Chrome tourmaline 0.300ct loose stone
Sale price¥3,980
Mexican cantera opal 15.542ct loose
Sale price¥19,800
Mexican cantera opal 9.422ct loose
Sale price¥29,800
Mexican cantera opal 7.563ct loose
Sale price¥19,800
Australian boulder opal 1.730ct loose
Sale price¥9,800
Australian boulder opal 6.980ct loose
Sale price¥7,980
Sri Lankan Goethite Into Topaz 3.200ct loose
Sale price¥7,980
Red beryl 0.104ct loose
Sale price¥34,800
Brazilian Euclase 1.240ct loose
Sale price¥22,800
Brazilian Euclase 0.610ct loose
Sale price¥9,800
Red beryl 0.120ct loose
Sale price¥36,800
Fire opal 7mm/1.030ct loose stone
Sale price¥39,800
Tanzanite 1.593ct loose
Sale price¥15,800
Tanzanite 1.297ct loose
Sale price¥12,960
Sri Lankan star sapphire 21.730ct loose
Sale price¥69,800
Sri Lankan enstatite 2.159ct loose
Sale price¥15,800
Kunzite from Afghanistan 32.795ct loose
Sale price¥65,800
Myanmar purple spinel 0.750ct loose
Sale price¥8,800
Beryl 0.951ct loose
Sale price¥12,800
Beryl 6.5mm/1.032ct loose stone
Sale price¥12,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 21.667ct loose
Sale price¥49,800
Labradorite Moonstone 1.598ct Loose Stone Japanese-German
Sale price¥9,800
Brazilian Paraiba tourmaline in quartz 2.954ct loose
Sale price¥45,800
Bicolor sphene from Madagascar 1.242ct loose
Sale price¥59,800
Sphene from Madagascar 1.229ct loose
Sale price¥59,800
Color change sphene from Pakistan 7.137ct loose
Sale price¥198,000
Australian boulder opal 4.470ct loose
Sale price¥29,800
Brazilian Medusa Quartz (Paraiba Quartz) 3.919ct loose
Sale price¥8,800
Oregon Sunstone 1.157ct loose
Sale price¥9,800
Yellow opal 17.283ct loose
Sale price¥34,800
White topaz 16.06ct loose
Sale price¥29,800
Prehnite from the Republic of Mali 33.297ct loose
Sale price¥39,800
Petalite 2.858ct loose
Sale price¥9,800
Bicolor grossular garnet 0.782ct loose
Sale price¥16,800
South African rhodochrosite 1.333ct loose Japanese-German edition
Sale price¥128,000
Paraiba tourmaline from Brazil 0.34ct loose GIA
Sale price¥59,800
Dioptase from Namibia 3.1mm/0.132ct loose Japanese-German edition
Sale price¥69,800
Paraiba tourmaline from Mozambique 0.256ct loose
Sale price¥18,800
Paraiba tourmaline from Mozambique 0.207ct loose
Sale price¥12,800
Indigolite tourmaline 0.260ct loose Japanese-German book
Sale price¥18,800
Purple spinel 0.995ct loose stone
Sale price¥18,800
Mexican Fire Opal 4.5mm/0.244ct Loose
Sale price¥12,800
Myanmar star diopside 0.898ct loose
Sale price¥12,800
Paraiba tourmaline from Mozambique 0.215ct loose
Sale price¥12,800
Paraiba tourmaline from Mozambique 0.257ct loose
Sale price¥12,800
Paraiba tourmaline from Mozambique 0.274ct 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.
So that more people can feel closer to jewellery and enjoy it easily.
We will introduce KARATZ's thoughts on products, the attention to detail and efforts in selecting gemstones and creating jewelry.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
KARATZ Books
These are books that KARATZ has been involved in writing, supervising, and planning. They are all books that allow you to enjoy gemstones from various angles. You can also purchase them directly.
jeweler's tools
For those who want to enjoy jewelry more but don't know what tools to use, we will introduce tools that are also used by KARATZ staff. You can also purchase them directly.