Sri Lankan blue sapphire, 0.557 ct, loose
Sale price¥22,800
0.517ct loose blue sapphire from Sri Lanka
Sale price¥18,800
Madagascar Bicolor Sphene 1.551ct Loose Stone
Sale price¥15,800
Unheated Sri Lankan star sapphire 3.9mm/0.499ct loose gemstone
Sale price¥8,800
Untreated Sri Lankan Star Sapphire 0.961ct Loose Stone
Sale price¥11,800
0.281ct Tanzanian Yellow Sapphire Loose Gemstone
Sale price¥6,980
Bulgarian Sphalerite 7.6mm/2.233ct Loose
Sale price¥69,800
Oregon Sunstone 0.217ct loose
Sale price¥4,980
Oregon Sunstone 0.226ct loose
Sale price¥4,980
Sunstone (Illusion Sunstone) 1.908ct loose
Sale price¥8,800
Cambodian Blue Zircon 0.348ct Loose Stone
Sale price¥6,980
Green Zoisite 0.703ct Loose Stone
Sale price¥22,800
Pink spinel 0.365ct loose stone
Sale price¥9,800
Bicolor Zoisite 0.203ct loose stone
Sale price¥8,800
Bicolor Zoisite 0.402ct loose stone
Sale price¥8,800
Bicolor Zoisite 0.302ct loose stone
Sale price¥8,800
Bicolor Zoisite 0.273ct loose stone
Sale price¥7,980
Bicolor Zoisite 0.229ct loose stone
Sale price¥6,980
Bicolor Zoisite 0.392ct loose stone
Sale price¥7,980
Spanish bicolor sphalerite 1.686ct loose stone
Sale price¥29,800
Bloodshot Iolite Sunstone 2.121ct Loose
Sale price¥12,800
Australian rainbow lattice sunstone 0.378ct loose
Sale price¥4,980
Australian rainbow lattice sunstone 0.498ct loose
Sale price¥2,980
Australian rainbow lattice sunstone 0.449ct loose
Sale price¥4,980
Australian rainbow lattice sunstone 0.354ct loose
Sale price¥4,980
Oregon Sunstone 8.256ct rough stone
Sale price¥9,800
American Oregon Sunstone 7.0mm/1.494ct Loose
Sale price¥35,800
Oregon Sunstone from the United States, 6.1mm/0.820ct loose stone
Sale price¥16,800
USA-origin Oregon Sunstone, 7.0mm/1.356ct loose
Sale price¥35,800
Madagascar Blue Sapphire 0.347ct Loose Stone with Appraisal Report
Sale price¥25,800
Australian rainbow lattice sunstone 0.587ct loose
Sale price¥4,980
Australian rainbow lattice sunstone 0.378ct loose
Sale price¥3,980
Yellow sapphire 0.294ct loose
Sale price¥8,800
Yellow sapphire 0.464ct loose
Sale price¥9,800
Cambodian blue zircon 0.258ct loose
Sale price¥6,980
Cambodian blue zircon 0.197ct loose
Sale price¥5,980
Cambodian blue zircon 0.217ct loose
Sale price¥6,980
Cambodian blue zircon 0.267ct loose
Sale price¥6,980
Myanmar color change zircon 1.00ct loose (reverse color change)
Sale price¥69,800
Montana Sapphire 0.515ct loose (bicolor sapphire)
Sale price¥15,800
Montana Sapphire 0.361ct loose (yellow sapphire)
Sale price¥12,800
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.