Nigerian Morganite 0.349ct loose stone
Sale price¥8,800
Nigerian Morganite 0.381ct loose stone
Sale price¥5,980
Nigerian Morganite 0.397ct loose stone
Sale price¥5,980
Sri Lankan Blue Spinel 0.153ct Loose Stone
Sale price¥8,800
Spanish Sphalerite 5.1mm/0.928ct loose stone
Sale price¥5,980
Spanish Sphalerite 5.9mm/1.132ct loose stone
Sale price¥6,980
Spanish Sphalerite 5.9mm/1.498ct loose stone
Sale price¥8,800
Spanish Sphalerite 6.3mm/1.771ct loose stone
Sale price¥8,800
Brazilian Fluorite Quartz 4.599ct Loose Stone
Sale price¥19,800
Spanish Sphalerite 5.5mm/0.804ct loose stone
Sale price¥15,800
Spanish Sphalerite 5.6mm/0.984ct loose stone
Sale price¥19,800
Spanish Sphalerite 0.949ct loose stone
Sale price¥18,800
Silky diamond 2.7mm/0.086ct loose
Sale price¥14,800
Madagascar Petzotite Cat's Eye 0.393ct Loose Stone
Sale price¥29,800
Tanzanite 0.513ct loose stone (sugarloaf cut) from Tanzania
Sale price¥9,800
Indian Alexandrite Cat's Eye 0.643ct Loose Stone
Sale price¥18,800
Myanmar Purple Spinel 0.311ct Loose Stone
Sale price¥8,800
Madagascar pink sapphire 0.486ct loose stone
Sale price¥12,800
Brazilian Alexandrite 0.147ct loose stone (princess cut)
Sale price¥29,800
Blue beryl (Macis beryl) 0.172ct loose stone
Sale price¥8,800
Yellow sapphire from Sri Lanka 0.375ct loose
Sale price¥12,800
Madagascar sapphire 0.206ct loose stone
Sale price¥12,800
Madagascar Yellow Sapphire 0.493ct Loose
Sale price¥9,800
Unheated Sri Lankan purple sapphire 0.986ct loose stone
Sale price¥9,800
Synthetic Alexandrite 0.561ct loose stone
Sale price¥12,800
Australian Rainbow Lattice Sunstone 1.313ct Loose Stone
Sale price¥12,800
Australian Rainbow Lattice Sunstone 1.914ct Loose Stone
Sale price¥19,800
Australian Rainbow Lattice Sunstone 1.231ct Loose Stone
Sale price¥19,800
Australian Rainbow Lattice Sunstone 0.633ct Loose Stone
Sale price¥8,800
Australian Rainbow Lattice Sunstone 0.795ct Loose Stone
Sale price¥8,800
Australian Rainbow Lattice Sunstone 0.879ct Loose Stone
Sale price¥9,800
Australian Rainbow Lattice Sunstone 0.712ct Loose Stone
Sale price¥12,800
Australian Rainbow Lattice Sunstone 0.725ct Loose Stone
Sale price¥11,000
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.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
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.