Brazilian bicolor euclase 0.168ct loose stone
Sale price¥25,800
Brazilian bicolor euclase 0.157ct loose stone
Sale price¥14,800
Brazilian bicolor euclase 0.291ct loose stone
Sale price¥15,800
Brazilian Euclase 0.117ct Loose Stone
Sale price¥12,800
Brazilian bicolor euclase 0.286ct loose stone
Sale price¥8,800
Tanzanite 0.482ct loose stone (princess cut) from Tanzania
Sale price¥18,800
Umba Sapphire (Tanzania) 0.182ct loose stone
Sale price¥7,980
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.365ct Loose Stone
Sale price¥18,800
Brazilian Paraiba Tourmaline 0.211ct loose stone
Sale price¥49,800
Diamond 0.128ct loose stone (cabochon cut, maroon cut)
Sale price¥39,800
Paraiba tourmaline from Brazil 0.047ct loose
Sale price¥29,800
Brazilian Paraiba Tourmaline 0.068ct loose stone
Sale price¥39,800
Paraiba tourmaline from Brazil 0.071ct loose
Sale price¥39,800
Paraiba tourmaline from Brazil 0.052ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.051ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.048ct loose
Sale price¥29,800
Brazilian Paraiba Tourmaline 0.230ct Loose GIA (CuO: 0.9%, MnO: 1.1%)
Sale price¥158,000
Bulgarian Green Sphalerite 0.403ct Loose Stone
Sale price¥69,800
Tanzanian Kornerupine 0.202ct loose stone
Sale price¥18,800
Tanzanian Kornerupine 0.233ct loose stone
Sale price¥14,800
Brazilian Paraiba Tourmaline 0.136ct loose stone (CuO: 1.8%, MnO: 2.0%)
Sale price¥39,800
Nigerian Cobalt Garnite 0.242ct Loose Stone JTL Catalog
Sale price¥39,800
Tanzania Cobalt Spinel 0.211ct Loose Stone JTL Catalog
Sale price¥29,800
Nigerian Cobalt Garnite 0.233ct Loose Stone JTL Catalog
Sale price¥45,800
Nigerian Cobalt Garnite 0.214ct Loose Stone JTL Catalog
Sale price¥32,800
Namibian Jeremejevite 0.158ct loose stone
Sale price¥45,800
Namibian Jeremejevite 0.405ct loose stone
Sale price¥128,000
Namibian Jeremejevite 0.394ct loose stone
Sale price¥128,000
Madagascar Padparadscha Sapphire 0.208ct Loose DGL
Sale price¥34,800
Colombian emerald 0.191ct loose
Sale price¥22,800
Colombian emerald 0.231ct loose stone
Sale price¥28,800
Mexican Fire Opal 0.212ct Loose (Faceted Cut)
Sale price¥8,800
Pakistani Veirinite 0.072ct loose stone
Sale price¥19,800
Pakistani Veirinite 0.107ct loose stone
Sale price¥29,800
Grandidierite from Madagascar 0.264ct loose stone
Sale price¥88,800
Zimbabwean Apatite (UV type) 0.209ct loose stone
Sale price¥4,980
Mexican Fire Opal 0.213ct Loose (Faceted Cut)
Sale price¥9,800
Mexican Fire Opal 0.356ct Loose (Faceted Cut)
Sale price¥9,800
Pakistani Oil in Quartz 0.283ct Loose Stone
Sale price¥7,980
Pakistani Oil in Quartz 0.328ct Loose Stone
Sale price¥8,800
Tanzanite from Tanzania 0.492ct loose stone
Sale price¥14,800
Goshenite 0.306ct loose stone
Sale price¥6,980
Tanzanian Kornerupine 0.453ct loose stone
Sale price¥24,800
Tanzanian Kornerupine 0.416ct loose stone
Sale price¥8,800
Nigerian Aventurine Aquamarine 0.471ct Loose Stone
Sale price¥8,800
Violet Sapphire 4.3mm/0.328ct Loose
Sale price¥15,800
Pink sapphire 4.5mm/0.390ct loose stone
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.
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.