YAG (Yttrium Aluminum Garnet) 6.5mm/1.774ct loose stone
Sale price¥12,800
Brazilian Paraiba tourmaline 0.226ct loose (CuO:0.7%, MnO:2.5%)
Sale price¥39,800
Bicolor pink star sapphire from Mogok 0.360ct loose
Sale price¥24,800
Bicolor tourmaline 0.591ct loose (rose cut)
Sale price¥8,980
Bicolor tourmaline 0.435ct loose (rose cut)
Sale price¥5,980
Pink tourmaline 0.482ct loose stone
Sale price¥5,980
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 1.490ct Loose (Faceted)
Sale price¥35,800
Brazilian bicolor tourmaline 0.258ct loose stone
Sale price¥8,800
[12549429] Blue sapphire 0.862ct loose stone
Sale price¥25,800
Colombian Trapiche Emerald 1.448ct Loose
Sale price¥69,800
South African rough diamond (sawable) 0.105ct rough (with trigon)
Sale price¥39,800
Zimbabwean sphene 0.665ct loose stone
Sale price¥12,800
South African Sugilite 5.2mm/0.434ct Loose Stone (Rose Cut)
Sale price¥18,800
Tanzanian Bicolor Grossular Garnet 1.359ct Loose Stone
Sale price¥49,800
Zimbabwean sphene 1.057ct loose stone
Sale price¥22,800
Zimbabwean sphene 0.756ct loose stone
Sale price¥18,800
Zimbabwean sphene 0.850ct loose stone
Sale price¥19,800
Zimbabwean sphene 1.170ct loose stone
Sale price¥22,800
Zimbabwean sphene 0.751ct loose stone
Sale price¥16,800
Mongolian Bicolor Andesine 0.944ct Loose Stone
Sale price¥15,800
Mozambique rubellite 1.406ct loose stone
Sale price¥69,800
Brazilian Swiss Blue Topaz 1.065ct Loose Stone
Sale price¥11,000
Tibetan Andesine 0.967ct Loose Stone
Sale price¥15,800
Brazilian Bicolor Beryl 0.556ct Loose Stone
Sale price¥29,800
American Anthill Garnet 0.822ct Loose Stone
Sale price¥19,800
Zircon 0.848ct loose stone
Sale price¥8,800
1.008ct Tanzanian orange zircon loose stone
Sale price¥9,800
Tagtupite from Greenland 0.477ct loose
Sale price¥9,800
Pink star sapphire 0.619ct loose
Sale price¥5,980
Brazilian Andalusite 0.557ct loose
Sale price¥2,980
Brazilian Andalusite 0.634ct loose
Sale price¥3,980
Brazilian Andalusite 0.608ct loose
Sale price¥3,980
Silky pink spinel from Mozambique 0.610ct loose
Sale price¥18,800
Bicolor star sapphire from Myanmar 1.190ct loose (pink sapphire)
Sale price¥25,800
Sierra Leone sapphire 1.210ct loose
Sale price¥7,980
Sierra Leone sapphire 1.470ct loose
Sale price¥9,800
Leuko garnet from Myanmar 0.294ct loose
Sale price¥15,800
Hackmanite 0.506ct loose
Sale price¥45,800
Taaffeite 0.241ct loose Japanese and German
Sale price¥39,800
Paraiba tourmaline from Brazil 0.205ct loose (CuO:0.8%, MnO:3.1%)
Sale price¥39,800
Paraiba tourmaline from Brazil 0.167ct loose (CuO:1.6%, MnO:3.0%)
Sale price¥29,800
Mexican Danburite 1.859ct loose stone (phantom cut)
Sale price¥9,800
Mexican Danburite 1.981ct loose stone (phantom cut)
Sale price¥9,800
Paraiba tourmaline from Brazil 0.226ct loose (CuO:0.7%, MnO:3.6%)
Sale price¥39,800
Paraiba tourmaline from Brazil 0.204ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.239ct loose
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.