Moss agate 1.285ct loose stone
Sale price¥6,980
Green tourmaline 0.090ct loose stone
Sale price¥6,980
Moss agate 0.795ct loose stone
Sale price¥7,980
Moss agate 0.720ct loose stone
Sale price¥7,980
Green tourmaline 0.637ct loose
Sale price¥8,800
Kenyan chrome tourmaline 0.501ct loose stone
Sale price¥49,800
Moss Agate 1.056ct loose
Sale price¥9,800
Moss Agate 0.771ct loose
Sale price¥6,980
Moss Agate 1.115ct loose
Sale price¥8,800
Tanzania Zoisite 0.278ct loose stone
Sale price¥8,800
[Clover in cut] Emerald 9mm/2.498ct {Collaboration} Loose with patch
Sale price¥98,000
[Koshu precious stone cutter pluethree] Colombian emerald 2.018ct loose
Sale price¥98,000
Russian demantoid garnet (horsetail recognized) 0.119ct loose
Sale price¥29,800
Russian demantoid garnet (horsetail recognized) 0.141ct loose
Sale price¥39,800
Tanzanian Kornerupine Cat's Eye 0.866ct Loose Stone
Sale price¥5,980
Tanzanian Kornerupine Cat's Eye 0.725ct Loose Stone
Sale price¥4,980
Tanzanian Kornerupine Cat's Eye 1.539ct Loose Stone
Sale price¥9,800
Montana Sapphire 0.458ct Loose (Bi-Color Sapphire)
Sale price¥14,800
Montana Sapphire 0.397ct loose (bicolor sapphire)
Sale price¥15,800
Montana Sapphire 0.449ct loose (bicolor sapphire)
Sale price¥17,800
Indian alexandrite cat's eye 0.679ct loose
Sale price¥8,800
Indian alexandrite cat's eye 0.422ct loose
Sale price¥12,800
[Clover-in-cut] Brazilian green tourmaline 6.0mm/0.734ct loose stone
Sale price¥49,800
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.