Colombian emerald 0.231ct loose stone
Sale price¥28,800
Nigerian Aventurine Aquamarine 1.164ct Loose Stone
Sale price¥12,800
Nigerian Aventurine Aquamarine 0.471ct Loose Stone
Sale price¥8,800
Vietnam Aquamarine 6.0mm/0.781ct Loose Stone
Sale price¥8,800
Brazilian Morganite 4.720ct loose stone
Sale price¥98,000
Colombian pyrite-mica emerald 3.208ct loose stone
Sale price¥228,000
Colombian Trapiche Emerald 0.291ct Loose
Sale price¥15,800
Colombian Mica in Emerald 4.6mm/0.210ct Loose Stone
Sale price¥12,800
Colombian Trapiche Emerald 0.147ct Loose
Sale price¥9,800
Colombian mint color emerald 0.178ct loose stone
Sale price¥6,980
Colombian Trapiche Emerald 0.416ct Loose
Sale price¥22,800
Colombian Trapiche Emerald 0.266ct Loose
Sale price¥14,800
Colombian emerald 1.435ct rough stone
Sale price¥18,800
Colombian Trapiche Emerald 0.372ct Loose
Sale price¥19,800
Colombian Trapiche Emerald 0.299ct Loose
Sale price¥16,800
Colombian pyrite emerald 13.691ct loose stone
Sale price¥398,000
Colombian pyrite emerald 8.044ct loose stone
Sale price¥188,000
Colombian Trapiche Emerald 0.392ct Loose
Sale price¥19,800
American Red Beryl 0.106ct Loose
Sale price¥24,800
Colombian Trapiche Emerald 0.260ct Loose
Sale price¥14,800
Brazilian Yellow Beryl 11.411ct Loose Stone, Japan-Germany Exchange
Sale price¥25,800
Mozambique Aquamarine 4.9mm/0.463ct Loose Stone
Sale price¥9,800
Vietnam Aquamarine 0.626ct Loose
Sale price¥8,800
Vietnam Aquamarine 1.309ct Loose Stone
Sale price¥12,800
Vietnam Aquamarine 5.1mm/0.410ct Loose Stone
Sale price¥6,980
Vietnam Aquamarine 5.9mm/0.700ct Loose Stone
Sale price¥8,800
Vietnam Aquamarine 5.0mm/0.739ct Loose Stone
Sale price¥9,800
Vietnam Aquamarine 5.1mm/0.457ct Loose Stone
Sale price¥6,980
Emerald 0.308ct loose stone
Sale price¥14,800
Colombian pyrite in emerald 6.415ct loose stone
Sale price¥298,000
Colombian oil-free emerald 0.290ct loose stone GIA
Sale price¥198,000
[Rouge cut] Morganite 2.059ct loose stone
Sale price¥8,800
Vietnam Yellow Beryl (Heliodor) 0.904ct Loose Stone
Sale price¥8,800
Vietnam Yellow Beryl (Heliodor) 0.911ct Loose Stone
Sale price¥8,800
Aventurine aquamarine 1.450ct loose
Sale price¥8,800
Emerald 0.310ct loose
Sale price¥12,800
Colombian mint color emerald 0.297ct loose stone
Sale price¥9,800
American Red Beryl 0.147ct Loose
Sale price¥39,800
American Red Beryl 0.132ct Loose
Sale price¥33,800
Colombian Trapiche Emerald 0.488ct Loose
Sale price¥25,800
Vietnam Aquamarine 0.398ct Loose
Sale price¥6,980
Vietnam Aquamarine 0.461ct Loose Stone
Sale price¥5,980
Vietnam Aquamarine 0.494ct Loose Stone
Sale price¥8,800
Colombian emerald cat's eye 0.138ct loose
Sale price¥17,800
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.