Bicolor Zoisite 0.229ct loose stone
Sale price¥6,980
Bicolor Zoisite 0.392ct loose stone
Sale price¥7,980
Loose Brazilian rose amethyst, 2.626 ct
Sale price¥9,800
Brazilian Amethyst 2.975ct Loose Stone
Sale price¥9,800
Tanzanite from Tanzania 0.416ct loose stone
Sale price¥12,800
Brazilian Elestial Amethyst from Brazil, 15.928ct Loose Stone
Sale price¥45,800
Sri Lankan Blue Sapphire (Ice Blue) 0.272ct Loose
Sale price¥12,800
Tanzanian Bicolor Zoisite 0.312ct Loose Stone
Sale price¥12,800
Tanzanian Rhodolite Garnet 0.733ct Loose Stone
Sale price¥9,800
Tanzanian Zoisite 0.956ct Loose Stone
Sale price¥19,800
Tanzanite from Tanzania 0.889ct loose stone
Sale price¥18,800
Tanzanian Tanzanite 4.3mm/0.311ct Loose Stone
Sale price¥12,800
Tanzanite 0.579ct loose stone from Tanzania
Sale price¥5,980
Tanzanite from Tanzania 0.467ct loose stone
Sale price¥9,800
Tanzanite from Tanzania 0.436ct loose stone
Sale price¥8,800
Tanzanite from Tanzania 0.730ct loose stone
Sale price¥29,800
Myanmar color change zircon 0.697ct loose stone
Sale price¥39,800
Sri Lankan Twin Star Sapphire 5.225ct Loose
Sale price¥98,000
Sri Lankan triple star sapphire 1.743ct loose stone
Sale price¥128,000
Sri Lankan Twin Star Sapphire 3.928ct Loose
Sale price¥128,000
Tanzanian Dragon Garnet 1.042ct Loose Stone
Sale price¥28,800
Sri Lankan star sapphire 3.821ct loose
Sale price¥79,800
Brazilian Amethyst 0.256ct Loose Stone
Sale price¥8,800
Brazilian rose amethyst 0.793ct loose stone
Sale price¥15,800
Tanzanian Rhodolite Garnet 2.081ct Loose Stone, Japan-Germany Exchange
Sale price¥18,800
Afghanistan Hackmanite 0.177ct loose stone
Sale price¥14,800
Sri Lankan purple spinel 1.060ct loose stone
Sale price¥98,000
Brazilian Elestial Amethyst 1.378ct Loose Stone
Sale price¥12,800
Brazilian Elestial Amethyst 1.586ct Loose Stone
Sale price¥8,800
Tanzanite from Tanzania 0.342ct loose stone
Sale price¥7,980
Tanzanite from Tanzania 0.342ct loose stone
Sale price¥7,980
Rhodolite Garnet 5.3mm/0.703ct Loose Stone
Sale price¥12,800
Brazilian Kasharai Amethyst 0.314ct Loose Stone
Sale price¥9,800
Brazilian Color-Shifting Amethyst 0.849ct Loose Stone
Sale price¥8,800
Mozambique Rhodolite Garnet 1.052ct Loose Stone
Sale price¥8,800
Tanzanian purple sapphire 0.355ct loose stone
Sale price¥9,800
Afghanistan Hackmanite 0.134ct loose stone
Sale price¥6,980
Afghanistan Hackmanite 0.121ct loose stone
Sale price¥6,980
South African Sugilite 5.2mm/0.434ct Loose Stone (Rose Cut)
Sale price¥18,800
Tanzanian Rhodolite Garnet 0.801ct Loose Stone
Sale price¥9,800
Tanzanian Dragon Garnet 0.977ct Loose Stone
Sale price¥27,800
Tanzanian Rhodolite Garnet 5.1mm/0.656ct Loose Stone
Sale price¥8,800
Brazilian Elestial Amethyst 0.809ct Loose Stone
Sale price¥6,980
Brazilian Elestial Amethyst 0.673ct Loose Stone
Sale price¥9,800
Brazilian Elestial Amethyst 3.093ct Loose Stone
Sale price¥19,800
Namibian Jeremejevite 0.245ct loose stone
Sale price¥79,800
Tanzanian Rhodolite Garnet 0.391ct Loose Stone
Sale price¥6,980
Tanzanian Rhodolite Garnet 0.643ct Loose Stone
Sale price¥6,980
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.