Blue beryl (Macis beryl) 0.181ct loose stone
Sale price¥12,800
Brazilian Aquamarine 0.176ct Loose Stone
Sale price¥8,800
American Red Beryl 0.217ct Loose
Sale price¥49,800
Colombian trapiche emerald (reverse trapiche) 0.178ct rough stone
Sale price¥15,800
Brazilian Morganite 0.405ct loose stone
Sale price¥7,980
Brazilian Morganite 2.183ct loose stone
Sale price¥29,800
Colombian emerald cat's eye 0.084ct loose
Sale price¥6,980
Brazilian Morganite 1.950ct loose stone
Sale price¥14,800
Madagascar Aquamarine 1.678ct Loose Stone
Sale price¥15,800
Madagascar Aquamarine 0.709ct Loose Stone
Sale price¥18,800
Brazilian Aquamarine 0.474ct Loose Stone
Sale price¥12,800
Vietnam Aquamarine 0.586ct Loose
Sale price¥12,800
American Benitoite 0.150ct loose stone (emerald cut)
Sale price¥69,800
Vietnam Aquamarine 0.585ct Loose
Sale price¥12,800
Nigerian Morganite 2.745ct loose stone
Sale price¥12,800
Santa Maria Aquamarine 1.265ct Loose Stone
Sale price¥18,800
Colombian emerald 0.203ct loose stone with certificate
Sale price¥98,000
Brazilian Santa Maria Aquamarine 0.968ct loose stone
Sale price¥69,800
American oil-free red beryl 0.21ct loose GIA
Sale price¥188,000
American Red Beryl 0.104ct Loose
Sale price¥15,800
American Red Beryl 0.254ct Loose
Sale price¥59,800
American Red Beryl 0.260ct Loose
Sale price¥69,800
Colombian emerald 10.940ct rough stone
Sale price¥69,800
Colombian mica in emerald 1.940ct loose
Sale price¥49,800
Brazilian cat's eye emerald 4.070ct loose stone
Sale price¥198,000
Colombian emerald cat's eye 0.421ct loose stone
Sale price¥12,800
Colombian emerald cat's eye 0.217ct loose stone
Sale price¥9,800
Colombian emerald cat's eye 3.6mm/0.179ct loose stone
Sale price¥8,800
Blue beryl (Macis beryl) 0.250ct loose stone
Sale price¥12,800
Aventurine Aquamarine 7.3mm/1.310ct Loose
Sale price¥14,800
American Red Beryl 0.200ct Loose (Heart Shape) Nikkeikan
Sale price¥35,800
American Red Beryl 0.252ct Loose
Sale price¥39,800
Afghanistan Bicolor Beryl 9.100ct Loose Stone
Sale price¥34,800
Afghanistan Bicolor Beryl 9.490ct Loose Stone
Sale price¥29,800
Brazilian Morganite 0.633ct loose stone
Sale price¥9,800
Colombian emerald cat's eye 0.108ct loose
Sale price¥8,800
Colombian pyrite emerald 2.380ct rough stone
Sale price¥29,800
[On sale from 10pm on 5/4] Russian oil-free emerald 0.84ct loose GIA
Sale price¥248,000
Colombian Trapiche Emerald 2.730ct Loose
Sale price¥98,000
Colombian emerald 8.90ct rough stone
Sale price¥45,800
Colombian emerald cat's eye 0.083ct loose
Sale price¥6,980
Colombian emerald cat's eye 0.078ct loose
Sale price¥6,980
Brazilian Aquamarine 0.546ct Loose Stone
Sale price¥8,800
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 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.