Spanish Sphalerite 5.6mm/0.841ct loose stone
Sale price¥12,800
Spanish Sphalerite 12.5mm/9.860ct Loose Stone
Sale price¥98,000
Brazilian Green Tourmaline 0.561ct Loose Stone
Sale price¥25,800
Tanzanite 0.477ct loose stone (princess cut) from Tanzania
Sale price¥12,800
Tanzanite from Tanzania 0.642ct loose stone
Sale price¥12,800
Tanzanite from Tanzania 0.520ct loose stone
Sale price¥12,800
Vietnam Aquamarine 0.585ct Loose
Sale price¥12,800
Orange spinel 0.225ct loose stone
Sale price¥12,800
Nigerian Morganite 2.745ct loose stone
Sale price¥12,800
Ethiopian Sunstone 1.045ct Loose
Sale price¥15,800
Ethiopian Sunstone 0.661ct Loose
Sale price¥9,800
Madagascar Iolite 3.129ct loose stone
Sale price¥39,800
Santa Maria Aquamarine 1.265ct Loose Stone
Sale price¥18,800
Pyrope Almandine Garnet 1.112ct Loose Stone
Sale price¥12,800
Madagascar Apatite 2.020ct Loose
Sale price¥15,800
Cambodian Zircon 1.547ct Loose Stone
Sale price¥22,800
Brazilian Rhodonite 2.316ct loose stone
Sale price¥39,800
Brazilian Green Tourmaline 1.431ct Loose Stone
Sale price¥12,800
Oregon Sunstone from the United States 1.951ct loose stone
Sale price¥12,800
Pakistani Lazurite (Azurite) 0.290ct loose stone
Sale price¥98,000
Sri Lankan bicolor sapphire 1.020ct loose stone
Sale price¥59,800
Brazilian Bicolor Tourmaline 0.716ct Loose Stone (Rose Cut)
Sale price¥6,980
Bulgarian green sphalerite 1.052ct loose Japanese-German edition
Sale price¥128,000
[Star-in cut] Mexican opal 8mm/1.139ct loose stone
Sale price¥39,800
Diamond (cabochon cut) 0.401ct loose (star depending on angle)
Sale price¥49,800
Bicolor Sapphire 5.640ct Loose Stone with Certificate
Sale price¥98,000
Brazilian Green Tourmaline 4.613ct Loose Stone
Sale price¥39,800
Sakura Shape Brazilian Topaz 8.1mm/2.211ct Loose Stone
Sale price¥29,800
Ethiopian Opal 7.2mm/0.910ct Loose Stone
Sale price¥6,980
Dominican Republic Conch Pearl (with flame pattern) 0.840ct loose
Sale price¥12,800
Namibian Jeremejevite 0.055ct loose stone
Sale price¥5,980
Namibian Jeremejevite 2.8mm/0.094ct loose stone
Sale price¥5,980
Tanzanian bicolor tanzanite 1.284ct loose stone
Sale price¥29,800
Namibian Jeremejevite 0.257ct loose stone
Sale price¥39,800
Namibian Jeremejevite 0.171ct loose stone
Sale price¥39,800
Namibian Jeremejevite 0.127ct loose stone
Sale price¥29,800
Pakistani Axinite 0.500ct loose stone (green tint)
Sale price¥12,800
Pakistani Axinite 1.190ct loose stone (green tint)
Sale price¥39,800
Sri Lankan Cat's Eye Sapphire 2.177ct Loose
Sale price¥98,000
Sri Lankan saffron 0.121ct loose stone
Sale price¥18,800
Madagascar Purple Sapphire 4.5mm/0.393ct Loose Stone
Sale price¥18,800
Madagascar Purple Sapphire 4.5mm/0.435ct Loose Stone
Sale price¥18,800
Brazilian Santa Maria Aquamarine 0.968ct loose stone
Sale price¥69,800
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.