Radiant Cut
Oregon Sunstone 0.462ct loose
Sale price¥5,980
[On sale 5/21 at 10 PM] Synthetic Alexandrite 0.808ct Loose Stone
Sale price¥18,800
Cambodian Blue Zircon 1.606ct Loose
Sale price¥18,800
Cambodian Blue Zircon 0.348ct Loose Stone
Sale price¥6,980
Brown Diamond 0.531ct Loose (FANCY DARK BROWN, SI-2)
Sale price¥39,800
[Sale on March 22nd at 10 PM] Golden Zircon 0.416ct Loose Stone
Sale price¥9,800
Synthetic Blue Sapphire 0.886ct Loose (Synthetic Sapphire)
Sale price¥8,800
US-sourced Oregon Sunstone 0.428ct Loose
Sale price¥18,800
Tanzanian Mandarin Garnet, 0.418 ct Loose Stone
Sale price¥25,800
Cambodian Zircon 2.495ct Loose
Sale price¥22,800
Zimbabwean Apatite (UV Type) 0.703ct Loose Stone
Sale price¥7,980
Mongolian Color Change Andesine 0.882ct Loose Stone
Sale price¥19,800
0.933 ct loose Mozambican rubellite
Sale price¥25,800
Loose Oregon Sunstone from the USA, 0.318ct
Sale price¥6,980
American Peridot 0.969ct Loose Stone
Sale price¥25,800
9.214ct Loose Kunzite from Afghanistan
Sale price¥45,800
Zimbabwean sphene, 2.067ct loose
Sale price¥59,800
Sinhalite from Sri Lanka 0.456ct loose stone
Sale price¥9,800
Blue beryl (Mashish beryl) 3.268ct loose stone
Sale price¥25,800
Sri Lankan blue sapphire 1.008ct loose stone
Sale price¥69,800
Greenland sapphire 0.133ct loose stone with certificate
Sale price¥14,800
Tanzanian Almandine Garnet 0.930ct Loose Stone
Sale price¥9,800
Brazilian bicolor tourmaline 4.497ct loose stone
Sale price¥69,800
Madagascar sphene 1.864ct loose stone
Sale price¥45,800
Mexican Hyalite Opal 0.743ct Loose
Sale price¥12,800
Moldavite from the former Czechoslovakia, 0.097ct loose stone
Sale price¥8,800
Grandidierite from Madagascar 0.168ct loose stone
Sale price¥35,800
Pakistani Axinite (Green Tint) 1.476ct Loose Stone
Sale price¥39,800
Mozambique Rhodolite Garnet 0.835ct Loose Stone
Sale price¥12,800
Tanzanite from Tanzania 0.342ct loose stone
Sale price¥7,980
Almandine Garnet 0.348ct Loose Stone
Sale price¥8,800
Kunzite from Afghanistan 4.331ct loose stone
Sale price¥8,800
Brazilian Morganite 0.377ct loose stone
Sale price¥8,800
Mozambique Almandine Garnet 1.652ct Loose Stone
Sale price¥15,800
Zimbabwean sphene 0.726ct loose stone
Sale price¥14,800
Malawi Bicolor Zircon 1.661ct Loose Stone
Sale price¥59,800
Zimbabwean sphene 0.665ct loose stone
Sale price¥12,800
Zimbabwean sphene 0.850ct loose stone
Sale price¥19,800
Zimbabwean sphene 1.170ct loose stone
Sale price¥22,800
Zimbabwean sphene 0.751ct loose stone
Sale price¥16,800
Brazilian Swiss Blue Topaz 1.065ct Loose Stone
Sale price¥11,000
Brazilian Indigolite Tourmaline 0.609ct Loose Stone JTL
Sale price¥25,800
Brazilian Imperial Topaz 0.563ct Loose Stone
Sale price¥15,800
Tanzanian Rhodolite Garnet 0.801ct Loose Stone
Sale price¥9,800
1.476ct loose sphalerite from Spain
Sale price¥29,800
Paraiba tourmaline from Mozambique 0.154ct loose stone
Sale price¥19,800
Brazilian Elestial Amethyst 0.724ct 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.