Madagascar sphene 0.569ct loose stone
Sale price¥8,800
Tanzanite 0.754ct loose stone
Sale price¥9,800
Greenland sapphire 0.592ct loose stone
Sale price¥24,800
Demantoid Garnet from Madagascar 0.169ct loose stone
Sale price¥25,800
Russian Demantoid Garnet (Horsetail) 0.297ct Loose
Sale price¥39,800
Almandine Garnet 0.814ct Loose Stone
Sale price¥9,800
Almandine Garnet 1.049ct Loose Stone
Sale price¥15,800
Myanmar Star Spinel 2.030ct Loose
Sale price¥79,800
Mozambique pink spinel 0.670ct loose stone
Sale price¥29,800
Sri Lankan Star Sapphire 6.477ct Loose
Sale price¥49,800
Sri Lankan Star Sapphire 7.111ct Loose
Sale price¥59,800
German Awinite 0.064ct loose stone
Sale price¥18,800
Colombian pyrite emerald 3.817ct loose stone
Sale price¥79,800
Sillimanite from Sri Lanka 1.704ct loose stone
Sale price¥19,800
Spanish Sphalerite 1.127ct loose stone
Sale price¥14,800
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
Pink tourmaline 1.157ct loose stone
Sale price¥18,800
Sri Lankan Blue Sapphire (Ice Blue) 0.584ct Loose
Sale price¥9,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.352ct Loose Stone
Sale price¥39,800
Madagascar Bicolor Sapphire 0.296ct Loose
Sale price¥7,980
0.165ct Unheated Silky Pink Sapphire from Vietnam
Sale price¥6,980
Romanesite in Quartz 4.825ct loose stone
Sale price¥12,800
Tanzanian Chrome Tourmaline 0.753ct Loose Stone
Sale price¥6,980
Tanzanian Chrome Tourmaline 0.760ct Loose Stone
Sale price¥6,980
Brazilian bicolor tourmaline 2.153ct loose stone
Sale price¥29,800
Myanmar Purple Spinel 0.650ct Loose
Sale price¥12,800
American red beryl 0.160ct loose
Sale price¥98,000
Australian black opal 3.027ct loose stone
Sale price¥15,800
Brazilian Flower Quartz 7.064ct Loose Stone
Sale price¥17,800
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
American Peridot 0.528ct Loose Stone
Sale price¥8,800
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
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.