Paraiba Tourmaline from Mozambique 0.153ct loose stone
Sale price¥9,800
Paraiba Tourmaline from Mozambique 0.154ct loose stone
Sale price¥9,800
Tanzanian Kornerupine 0.213ct loose stone
Sale price¥12,800
Color change sapphire 0.473ct loose stone (purple sapphire)
Sale price¥29,800
Paraiba tourmaline from Brazil 0.018ct loose
Sale price¥14,800
Paraiba tourmaline from Brazil 0.023ct loose
Sale price¥19,800
Madagascar Green Sapphire 0.253ct Loose
Sale price¥9,800
Madagascar Yellow Sapphire 4.4mm/0.417ct Loose
Sale price¥15,800
Madagascar Blue Sapphire 0.302ct Loose
Sale price¥16,800
Madagascar pink sapphire 0.346ct loose stone
Sale price¥16,800
Madagascar pink sapphire 0.243ct loose stone
Sale price¥9,800
Sri Lankan Blue Sapphire 0.519ct Loose
Sale price¥15,800
Tanzania Green Zoisite 0.709ct Loose Stone
Sale price¥19,800
Spanish Andalusite 0.535ct loose stone
Sale price¥8,800
Ethiopian Opal 5.7mm/0.878ct Loose (Sphere)
Sale price¥7,980
Paraiba tourmaline from Brazil 0.071ct loose
Sale price¥25,800
Unheated Silky Pink Sapphire from Vietnam 2.4mm/0.078ct Loose
Sale price¥4,980
[Cat cut] Brazilian dendritic agate 0.774ct loose stone
Sale price¥8,800
Greenland sapphire 0.592ct loose stone
Sale price¥24,800
Almandine Garnet 0.814ct Loose Stone
Sale price¥9,800
Mozambique pink spinel 0.670ct loose stone
Sale price¥29,800
German Awinite 0.064ct loose stone
Sale price¥18,800
Tanzania color change spinel 0.319ct loose stone
Sale price¥29,800
Sphene 0.503ct loose stone
Sale price¥8,800
Purple spinel 0.403ct loose stone
Sale price¥5,980
Russian Demantoid Garnet Cat's Eye (Horsetail Recognized) 0.200ct Loose
Sale price¥29,800
Sri Lankan Blue Sapphire (Ice Blue) 0.584ct Loose
Sale price¥9,800
0.165ct Unheated Silky Pink Sapphire from Vietnam
Sale price¥6,980
Tanzanian Chrome Tourmaline 0.760ct Loose Stone
Sale price¥6,980
American red beryl 0.160ct loose
Sale price¥98,000
Mozambique Aquamarine 0.216ct Loose Stone
Sale price¥6,980
Mozambique Aquamarine 0.292ct Loose Stone
Sale price¥6,980
Mozambique Aquamarine 0.337ct Loose Stone
Sale price¥6,980
American Peridot 0.339ct Loose Stone
Sale price¥6,980
Detroit City Rhodochrosite 4mm/0.434ct Loose Stone
Sale price¥8,800
Colombian mint color emerald 0.294ct loose stone
Sale price¥9,800
Colombian mint color emerald 0.136ct loose stone
Sale price¥6,980
Colombian mint color emerald 0.158ct loose stone
Sale price¥5,980
Colombian mint color emerald 0.155ct loose stone
Sale price¥7,980
Brazilian Paraiba Tourmaline 0.177ct loose stone (CuO: 2.1%, MnO: 1.3%)
Sale price¥45,800
Yellow tourmaline 0.238ct loose stone
Sale price¥4,980
Colombian Trapiche Emerald 0.422ct Loose
Sale price¥22,800
Colombian Trapiche Emerald 0.746ct Loose
Sale price¥39,800
Bicolor Zoisite 0.823ct rough 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.