Mexican Cantera Opal 11.105ct Loose
Sale price¥12,800
Australian Shell Opal (Shell Opal) 51.801ct Rough Stone
Sale price¥25,800
Brazilian Quartz in Quartz 10.349ct Loose Stone
Sale price¥15,800
Brazilian bicolor tourmaline cat's eye 22.056ct loose stone
Sale price¥198,000
Argentine Inca Rose 15.960ct loose stone
Sale price¥12,800
Argentine Inca Rose 20.650ct loose stone
Sale price¥15,800
Argentine Inca Rose 15.190ct loose stone
Sale price¥12,800
Tanzanian Rhodolite Garnet 10.608ct Loose Stone
Sale price¥98,000
Brazilian Green Tourmaline 11.453ct Loose Stone
Sale price¥158,000
Australian Boulder Opal 23.164ct Loose
Sale price¥128,000
Argentine bicolor fluorite 11.226ct loose stone
Sale price¥6,980
Brazilian Trapiche Amethyst 10.855ct loose stone
Sale price¥6,980
Brazilian Trapiche Amethyst 14.949ct loose stone
Sale price¥8,800
Colombian pyrite emerald 13.691ct loose stone
Sale price¥398,000
Brazilian Green Tourmaline 26.071ct Loose Stone (Sugarloaf Cut)
Sale price¥298,000
Australian Shell Opal (Shell Opal) 73.321ct Rough Stone
Sale price¥49,800
Sri Lankan glass body (sapphire crystal) 11.126ct rough stone
Sale price¥29,800
Sri Lankan glass body (sapphire crystal) 10.140ct rough stone
Sale price¥29,800
Green Fluorite 38.074ct Loose
Sale price¥158,000
Brazilian Yellow Beryl 11.411ct Loose Stone, Japan-Germany Exchange
Sale price¥25,800
Mexican Cantera Opal 20.655ct Loose
Sale price¥19,800
Ethiopian Opal 167.191ct Rough Stone
Sale price¥39,800
Brazilian Green Tourmaline 12.252ct Loose Stone
Sale price¥398,000
Bolivian Ametrine 36.887ct loose stone
Sale price¥98,000
Bolivian Ametrine 31.854ct loose stone
Sale price¥49,800
Bolivian Ametrine 16.867ct loose stone
Sale price¥39,800
Mexican Cantera Opal 13.531ct Loose
Sale price¥69,800
Mexican Cantera Opal 10.986ct Loose
Sale price¥29,800
[12552038] Beryl Cat's Eye 32.703ct Loose Stone
Sale price¥98,000
[12552306] Iolite 14.158ct loose stone
Sale price¥258,000
Brazilian Quartz in Quartz 15.373ct Loose Stone
Sale price¥24,800
American Euperlite 50.042ct rough stone
Sale price¥3,980
Indian Cavansite 105.482ct rough stone
Sale price¥9,800
[Cat cut] Dendritic agate 13.569ct loose stone
Sale price¥12,800
Mexican Cantera Opal 15.195ct Loose
Sale price¥18,800
Sky blue topaz 10.967ct loose
Sale price¥19,800
Colombian Euclase 24.491ct Ruth Medium Treasure Guide
Sale price¥498,000
Brazilian Quartz in Quartz 14.298ct Loose Stone
Sale price¥25,800
[Sakura Incut] Smoky Quartz 22mm/27.511ct Loose Japanese-German Edition
Sale price¥98,000
Indian Cavansite 240.461ct rough stone
Sale price¥9,800
Indian Cavansite 246.106ct rough stone
Sale price¥9,800
508ct rough cabansite from India
Sale price¥9,800
Aquamarine in quartz 18.954ct rough stone
Sale price¥15,800
Australian shell opal 53.277ct rough stone
Sale price¥59,800
1055.5ct Indian Cavansite Rough Stone
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.
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.
KARATZ's Initiatives and Social Contributions
We will introduce KARATZ's efforts, including nurturing the next generation and business collaboration to develop the industry, and supporting children in Sri Lanka, the land of jewels.
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.