Sky blue topaz 0.428ct loose stone
Sale price¥5,980
Bicolor tourmaline 0.423ct loose
Sale price¥12,800
Bicolor tourmaline 0.552ct loose
Sale price¥12,800
Bicolor tourmaline 0.548ct loose
Sale price¥6,980
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
Swiss Blue Topaz 0.930ct Loose
Sale price¥8,800
Sky blue topaz 1.051ct loose stone
Sale price¥9,800
American Red Beryl 0.109ct Loose
Sale price¥29,800
American red beryl 0.143ct loose
Sale price¥35,800
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
Bicolor tourmaline 1.329ct loose
Sale price¥9,800
Bicolor tourmaline 0.429ct loose
Sale price¥6,980
Bicolor Tourmaline 0.378ct Loose Stone (Hexagonal Cut)
Sale price¥8,800
Bicolor Tourmaline 0.792ct Loose (Heart Shape)
Sale price¥9,800
Bicolor Tourmaline 0.649ct Loose Stone, Japan-Germany
Sale price¥9,800
Unheated Bicolor Paraiba Tourmaline 0.092ct Loose GIA
Sale price¥188,000
Bicolor Paraiba tourmaline 2.477ct loose DGL version
Sale price¥228,000
Brazilian Paraiba tourmaline in quartz 1.602ct loose
Sale price¥49,800
American red beryl 0.138ct loose
Sale price¥34,800
American red beryl 0.207ct loose
Sale price¥49,800
American Red Beryl 0.120ct Loose
Sale price¥29,800
American red beryl 0.116ct loose
Sale price¥29,800
American red beryl 0.184ct loose
Sale price¥46,800
Brazilian Paraiba tourmaline in quartz 0.819ct loose
Sale price¥15,800
Pt900 Benitoite (Ice Blue) 0.17ct Pink Diamond Ring
Sale price¥148,000
Montana Sapphire 0.458ct Loose (Bi-Color Sapphire)
Sale price¥14,800
Montana Sapphire 0.416ct Loose (Bi-Color Sapphire)
Sale price¥12,800
Montana Sapphire 0.515ct loose (bicolor sapphire)
Sale price¥19,800
Montana Sapphire 0.561ct loose (bicolor sapphire)
Sale price¥22,800
Montana Sapphire 0.397ct loose (bicolor sapphire)
Sale price¥15,800
Montana Sapphire 0.449ct loose (bicolor sapphire)
Sale price¥17,800
Mexican Fire Opal 0.277ct Loose (Faceted Cut)
Sale price¥5,980
Mexican Fire Opal 0.472ct Loose (Star Cut, Faceted Cut)
Sale price¥9,800
Mexican Fire Opal 0.564ct Loose (Faceted Cut)
Sale price¥15,800
Mexican Fire Opal 0.290ct Loose (Faceted Cut)
Sale price¥8,800
Twin chrysoberyl cat's eye 0.591ct loose
Sale price¥69,800
Chrysoberyl cat's eye 2.843ct loose
Sale price¥39,800
Bicolor Tourmaline 9.0mm/2.507ct Loose
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.