Emerald Cut
Brazilian bicolor tourmaline 0.644ct loose stone
Sale price¥9,800
Madagascar Purple Sapphire 0.433ct Loose Stone
Sale price¥14,800
Spanish Sphalerite 1.609ct loose stone
Sale price¥19,800
Mexican Opal (Faceted Cut) 1.052ct Loose
Sale price¥19,800
Brazilian Blue Tourmaline 0.650ct Loose
Sale price¥9,800
Myanmar spinel 0.402ct loose stone
Sale price¥12,800
Non-Oil Emerald 1.070ct Loose Gübelin Certificate
Sale price¥698,000
Pakistan Ruby in Quartz 1.429ct Loose Stone
Sale price¥12,800
Brazilian Bicolor Tourmaline 16.088ct Loose (Tricolor) Nikkei
Sale price¥298,000
Bicolor tourmaline 0.840ct loose
Sale price¥22,800
Congo Bicolor Tourmaline 3.429ct Loose
Sale price¥128,000
Non-Oil Emerald 1.030ct Loose Gübelin Gübelin Certificate
Sale price¥698,000
American red beryl 0.092ct loose
Sale price¥19,800
Brazilian Indigolite Tourmaline 6.052ct Loose Stone JTL
Sale price¥158,000
Brazilian Indigolite Tourmaline 1.616ct Loose Stone JTL
Sale price¥69,800
Brazilian bicolor euclase 0.233ct loose stone
Sale price¥24,800
Brazilian bicolor euclase 0.212ct loose stone
Sale price¥15,800
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 bicolor euclase 0.572ct loose stone
Sale price¥24,800
Nigerian Green Beryl 1.349ct Loose Stone
Sale price¥98,000
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
Colombian emerald 0.231ct loose stone
Sale price¥28,800
Mexican Fire Opal 0.576ct Loose (Faceted Cut)
Sale price¥9,800
Mexican Fire Opal 0.212ct Loose (Faceted Cut)
Sale price¥8,800
Mexican Fire Opal 1.222ct Loose (Faceted Cut)
Sale price¥12,800
Madagascar sphene 0.665ct loose stone
Sale price¥12,800
Colombian pyrite emerald 13.691ct loose stone
Sale price¥398,000
Brazilian Euclase 0.224ct Loose Stone (Bicolor Euclase)
Sale price¥18,800
Namibian Jeremejevite 0.307ct loose stone by Nikkei
Sale price¥22,800
Purple zoisite from Tanzania 1.103ct loose Japanese German edition
Sale price¥98,000
Madagascar Yellow Sapphire 0.283ct Loose
Sale price¥6,980
Brazilian copper rutilated quartz 1.352ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.381ct loose stone
Sale price¥8,800
American red beryl 0.207ct loose
Sale price¥49,800
[Posted on 12563480] Madagascar Teal Green Sapphire 0.470ct Loose Stone
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.