Golden Iolite (Cordierite) 0.321ct loose stone
Sale price¥12,800
Brazilian Paraiba tourmaline in quartz 0.871ct loose
Sale price¥18,800
Afghanistan indigolite tourmaline 1.729ct loose stone
Sale price¥15,800
Mexican Cantera Opal 15.195ct Loose
Sale price¥18,800
Brazilian Imperial Topaz 0.826ct Loose
Sale price¥19,800
Brazilian Imperial Topaz 0.402ct Loose Stone
Sale price¥11,000
Brazilian Imperial Topaz 0.349ct Loose Stone
Sale price¥12,800
Mexican egg-in-opal 1.243ct loose stone
Sale price¥14,800
Mexican egg-in-opal 0.865ct loose stone
Sale price¥14,800
Mexican egg-in-opal 0.672ct loose stone
Sale price¥12,800
Medusa Quartz (Paraiba Quartz) 1.666ct loose
Sale price¥22,800
Tanzanian Kornerupine 0.198ct loose stone
Sale price¥24,800
Brazilian Medusa Quartz (Paraiba Quartz) 1.975ct Loose Stone
Sale price¥29,800
Zimbabwean Euclase 0.028ct loose stone
Sale price¥25,800
Pink spinel 0.365ct loose stone
Sale price¥12,800
Bicolor tourmaline 0.423ct loose
Sale price¥12,800
Bicolor tourmaline 0.552ct loose
Sale price¥12,800
Synthetic Moissanite 0.970ct Loose Stone (Blue Moissanite)
Sale price¥16,800
Dumortierite in quartz 0.931ct loose
Sale price¥15,800
Bloodshot Iolite Sunstone 2.121ct Loose
Sale price¥14,800
Brazilian Medusa Quartz (Paraiba Quartz) 3.122ct Loose Stone
Sale price¥15,800
Benitoite 0.080ct loose
Sale price¥12,800
Benitoite 0.066ct loose
Sale price¥14,800
Bicolor Benitoite 0.164ct loose stone
Sale price¥19,800
Bicolor Benitoite 0.157ct loose stone
Sale price¥22,800
Benitoite 0.084ct loose stone
Sale price¥12,800
Synthetic Spinel 1.668ct Loose Stone (Synthetic Blue Spinel)
Sale price¥15,800
American Red Beryl 0.109ct Loose
Sale price¥29,800
Benitoite 0.300ct loose stone (cabochon cut)
Sale price¥12,800
Benitoite 0.536ct loose stone (cabochon cut)
Sale price¥12,800
Benitoite 0.311ct loose stone (cabochon cut)
Sale price¥12,800
Bicolor tourmaline 1.198ct loose
Sale price¥14,800
Sky blue topaz 10.967ct loose
Sale price¥19,800
Pink tourmaline 0.819ct loose
Sale price¥15,800
Pink tourmaline 0.539ct loose stone (heart shape)
Sale price¥12,800
Brazilian Quartz in Quartz 14.298ct Loose Stone
Sale price¥25,800
[Sakura Incut] Danburite 8.3mm/1.585ct loose with patch
Sale price¥29,800
Oregon Sunstone 8.256ct rough stone
Sale price¥15,800
Brazilian Medusa Quartz (Paraiba Quartz) 1.317ct loose
Sale price¥24,800
Rutilated Quartz (Rutile Quartz) 7.440ct Loose (Sun Rutilated Quartz)
Sale price¥25,800
Rutilated Quartz (Rutilated Quartz) 9.721ct Loose (Sun Rutilated Quartz)
Sale price¥29,800
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.