Brazilian Euclase 0.289ct loose stone
Sale price¥12,800
Brazilian Euclase 0.263ct Loose Stone (Colorless Euclase)
Sale price¥9,800
Brazilian Euclase 0.695ct Loose Stone
Sale price¥18,800
Brazilian Dendritic Agate 3.575ct Loose Stone
Sale price¥8,800
Russian rough diamond (sawable) 0.088ct loose
Sale price¥19,800
Russian Diamond Rough (Sawable) 0.103ct Loose (Trigon)
Sale price¥25,800
American Herkimer Diamond (Rock Crystal) 5.5mm/0.528ct Loose
Sale price¥8,800
Goshenite 5.7mm/0.572ct loose stone
Sale price¥5,980
YAG (Yttrium Aluminum Garnet) 4.9mm/0.574ct loose stone
Sale price¥8,800
Synthetic rutile 0.942ct loose stone
Sale price¥14,800
Pakistani Oil in Quartz 0.438ct Loose Stone
Sale price¥6,980
American Ceylanite 2.666ct Loose Stone with Certification
Sale price¥15,800
Sri Lankan Silky Sapphire 5.1mm/0.488ct Rose Cut Loose Gemstone
Sale price¥7,980
Rough diamond from Sierra Leone (sawable) 0.089ct rough (trigon)
Sale price¥27,800
Rough diamond (sawable) from Russia, 0.148ct rough diamond (trigon)
Sale price¥49,800
Zimbabwean rough green diamond (sawable) 0.228ct rough (trigon)
Sale price¥79,800
Myanmar Leuco Garnet 0.128ct Loose Stone with Certificate
Sale price¥25,800
0.108ct Loose Leuco Garnet from Myanmar, with identification report
Sale price¥22,800
Rough diamond from Botswana (sawable) 0.118ct rough (trigon)
Sale price¥29,800
Botswana rough diamond (sawable) 0.090ct rough (trigon)
Sale price¥22,800
Rough diamond from Botswana (sawable) 0.087ct (trigon)
Sale price¥21,800
[12552038] Beryl Cat's Eye 32.703ct Loose Stone
Sale price¥98,000
Mica in Quartz 0.758ct Loose Stone
Sale price¥5,980
South African diamond rough (sawable) 0.110ct rough
Sale price¥22,800
South African diamond rough (sawable) 0.085ct rough
Sale price¥15,800
Brazilian dendritic quartz 4.587ct loose stone
Sale price¥9,800
Lepidocrocite in quartz 0.770ct loose
Sale price¥6,980
Lepidocrocite in quartz 0.532ct loose
Sale price¥6,980
Scapolite 0.587ct loose stone from Japan and Germany
Sale price¥8,800
Malawi Moonstone 2.428ct Loose
Sale price¥18,800
Malawi Moonstone (Malawi Moonstone) 2.233ct Loose
Sale price¥15,800
Malawi Moonstone (Malawi Moonstone) 2.209ct Loose Stone
Sale price¥15,800
Malawi Moonstone 2.201ct Loose
Sale price¥15,800
Malawi Moonstone 2.144ct Loose Gemstone
Sale price¥15,800
Malawi Moonstone 2.055ct Loose
Sale price¥16,800
Loose 1.661 ct Malawi Moonstone
Sale price¥12,800
Internally Flawless Diamond 4.4mm/0.320ct Loose (G, IF, 3Excellent) GIA
Sale price¥89,800
Massive Grabovite from Myanmar 0.351ct Loose Stone GIA
Sale price¥128,000
Malawi Moonstone 2.601ct Loose
Sale price¥5,980
Brazilian Marcasite in Quartz 6.670ct Loose Gemstone
Sale price¥25,800
Synthetic Rutile 6.2mm/1.594ct Loose
Sale price¥15,800
Brazilian Quartz in Quartz 15.373ct Loose Stone
Sale price¥18,800
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.