Bicolor sapphire 1.030ct loose from Windsor, Tanzania
Sale price¥89,800
[Posted 12543727] Hemimorphite 11.133ct loose
Sale price¥59,800
[Posted 12543726] Hemimorphite 9.282ct loose
Sale price¥59,800
[Posted 12543725] Hemimorphite 16.864ct loose
Sale price¥79,800
[Posted 12543724] Hemimorphite 9.286ct loose
Sale price¥59,800
[Posted 12543723] Hemimorphite 64.144ct loose
Sale price¥198,000
Green Zoisite 3.617ct loose
Sale price¥118,000
Pink zoisite from Tanzania 6.7mm/1.393ct loose (peach tanzanite)
Sale price¥128,000
Brazilian Alexandrite 0.099ct Ruth (Hemachita Mine)
Sale price¥19,800
Brazilian Alexandrite 0.097ct Ruth (Hemachita Mine)
Sale price¥22,800
Brazilian Alexandrite 0.098ct Ruth (Hemachita Mine)
Sale price¥22,800
Grandidierite 0.206ct loose
Sale price¥22,800
UV type mint garnet 0.521ct loose
Sale price¥3,980
Brazilian Paraiba tourmaline 0.370ct loose (CuO:1.0%, MnO:1.2%)
Sale price¥59,800
Jeremejevite from Namibia 0.056ct loose
Sale price¥12,800
Jeremejevite from Namibia 0.064ct loose
Sale price¥12,800
Paraiba tourmaline from Mozambique 0.266ct loose
Sale price¥25,800
Celestite from Madagascar 7.080ct loose Japanese and German
Sale price¥98,000
Musgravite from Myanmar 0.546ct loose Japanese German edition
Sale price¥98,000
Bicolor tanzanite 1.165ct rough stone from Tanzania
Sale price¥7,980
Bicolor tanzanite 1.121ct rough stone from Tanzania
Sale price¥6,980
Bicolor tanzanite 0.492ct raw stone from Tanzania
Sale price¥6,980
Bicolor tourmaline 0.418ct loose
Sale price¥3,980
Brazilian rainbow scapolite 6mm/0.516ct loose
Sale price¥2,980
Brazilian Medusa Quartz (Paraiba Quartz) 1.181ct loose
Sale price¥3,980
Hemimorphite from Congo 0.432ct loose
Sale price¥6,980
Australian boulder opal 0.874ct loose
Sale price¥3,980
Australian boulder opal 1.156ct loose
Sale price¥3,980
Australian boulder opal 1.173ct loose
Sale price¥5,980
Australian boulder opal 0.982ct loose
Sale price¥6,980
Burmese spinel 0.950ct loose (buff top)
Sale price¥15,800
Mexican Cantera Opal 14.690ct Loose
Sale price¥12,800
Indian moonstone 1.046ct loose stone
Sale price¥9,800
Indian Moonstone 9.3mm/2.693ct Loose Stone
Sale price¥9,800
Cambodian colorless zircon 0.630ct loose stone
Sale price¥8,800
Brazilian Petalite 0.725ct Loose Stone
Sale price¥4,980
Brazilian Petalite 1.197ct Loose Stone
Sale price¥7,980
Tanzanian purple sapphire 0.355ct loose stone
Sale price¥9,800
Australian Opal 0.374ct Loose
Sale price¥6,980
Tanzanian Sunstone (Illusion Sunstone) 0.627ct Loose Stone
Sale price¥9,800
Mexican Cantera Opal 1.120ct Loose
Sale price¥8,800
Afghanistan Hackmanite 0.134ct loose stone
Sale price¥6,980
Afghanistan Hackmanite 0.121ct loose stone
Sale price¥6,980
Brazilian Lavender Quartz (Scorolite) 0.797ct Loose Stone
Sale price¥7,980
Brazilian pink tourmaline 0.385ct loose stone
Sale price¥7,980
0.597ct Green Apatite Loose Stone from Madagascar
Sale price¥6,980
Golden Iolite (Cordierite) from Madagascar 0.193ct loose stone
Sale price¥8,800
Tanzanian Sunstone (Illusion Sunstone) 5.0mm/0.338ct 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'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.