Mozambique pink spinel 0.670ct loose stone
Sale price¥22,800
Sri Lankan Star Sapphire 6.477ct Loose
Sale price¥49,800
Sri Lankan Star Sapphire 7.111ct Loose
Sale price¥59,800
Colombian pyrite emerald 3.817ct loose stone
Sale price¥59,800
0.165ct Unheated Silky Pink Sapphire from Vietnam
Sale price¥5,980
Romanesite in Quartz 4.825ct loose stone
Sale price¥9,800
Tanzanian Chrome Tourmaline 0.760ct Loose Stone
Sale price¥5,980
American red beryl 0.160ct loose
Sale price¥89,800
Mozambique Aquamarine 0.216ct 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
Aquamarine 0.327ct loose stone
Sale price¥9,800
Yellow sapphire 0.287ct loose stone
Sale price¥8,800
Pink sapphire 0.202ct loose stone
Sale price¥8,800
Mexican Opal 9.6mm/1.803ct Loose (Contralus Opal)
Sale price¥49,800
[Koshu Precious Stones plusthree] Citrine 5.121ct Loose
Sale price¥35,800
Unheated Mozambique Ruby 2.7mm/0.135ct Loose
Sale price¥19,800
Afghanite from Afghanistan 0.617ct loose stone
Sale price¥69,800
Colombian Trapiche emerald 0.418ct rough stone
Sale price¥39,800
Sillimanite from Sri Lanka 1.704ct loose stone
Sale price¥18,800
Spanish Sphalerite 1.127ct loose stone
Sale price¥9,800
Sphene 0.503ct loose stone
Sale price¥5,980
Russian Demantoid Garnet Cat's Eye (Horsetail Recognized) 0.200ct Loose
Sale price¥18,800
Pink tourmaline 1.157ct loose stone
Sale price¥12,800
Sri Lankan Blue Sapphire (Ice Blue) 0.584ct Loose
Sale price¥8,800
Brazilian Flower Quartz 7.064ct Loose Stone
Sale price¥14,800
Australian black opal 0.650ct loose
Sale price¥15,800
Mexican Opal 1.666ct Loose
Sale price¥14,800
Colombian emerald 0.145ct loose stone with precious stone
Sale price¥29,800
Namibian Jeremejevite 0.261ct loose stone
Sale price¥45,800
Jeremejevite 0.201ct loose stone
Sale price¥29,800
Brazilian Bicolor Euclase 2.4mm/0.051ct Loose Stone
Sale price¥18,800
Tanzanian Kornerupine 0.300ct Loose Stone
Sale price¥18,800
Tanzanian Kornerupine 0.210ct loose stone
Sale price¥11,000
Tanzanian Kornerupine 0.220ct loose stone
Sale price¥6,980
Tanzanian Kornerupine 0.229ct loose stone
Sale price¥9,800
Tanzanian Kornerupine 0.249ct loose stone
Sale price¥15,800
Tanzanian Kornerupine 0.303ct loose stone
Sale price¥6,980
Tanzanian Kornerupine 0.201ct loose stone
Sale price¥14,800
Tanzanian Kornerupine 0.200ct Loose Stone
Sale price¥9,800
German Awinite 0.070ct 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.