Russian demantoid garnet (horsetail recognized) 5.3mm/0.633ct loose
Sale price¥198,000
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
Tanzanian Dragon Garnet 0.977ct Loose Stone
Sale price¥27,800
Tanzanian Rhodolite Garnet 5.1mm/0.656ct Loose Stone
Sale price¥8,800
Diamond 0.618ct loose (I, I1, tree cut)
Sale price¥128,000
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 0.724ct Loose Stone
Sale price¥6,980
Congo Pink Tourmaline 6.0mm/0.825ct Loose Stone
Sale price¥29,800
Congo Pink Tourmaline 5.9mm/0.798ct Loose Stone
Sale price¥25,800
Brazilian green tourmaline 0.755ct loose stone
Sale price¥18,800
Brazilian Dumortierite in Quartz 0.978ct Loose Stone
Sale price¥12,800
Brazilian Bicolor Imperial Topaz 0.981ct Loose Stone
Sale price¥79,800
Brazilian mint-colored emerald 0.945ct loose stone
Sale price¥25,800
Bicolor sapphire 0.856ct loose
Sale price¥18,800
Russian demantoid garnet (horsetail recognized) 5.2mm/0.633ct loose
Sale price¥198,000
[12560244] Bicolor Zoisite 0.508ct Loose Stone
Sale price¥7,980
Malaya garnet 0.972ct loose
Sale price¥9,800
Purple spinel 0.825ct loose stone
Sale price¥5,980
Morganite 0.960ct loose (Asscher cut)
Sale price¥9,800
Salt and Pepper Diamond 5.2mm/0.863ct Loose (Cabochon Cut)
Sale price¥98,000
Russian oil-free emerald 0.570ct loose stone GIA
Sale price¥298,000
American Peridot 0.546ct Loose Stone
Sale price¥5,980
Mexican fire opal (faceted cut) 0.515ct loose stone
Sale price¥12,800
Indian Moonstone 6.2mm/0.810ct Loose
Sale price¥8,800
Indian Moonstone 6.2mm/0.775ct Loose Stone
Sale price¥7,980
Ethiopian Opal 6.6mm/0.635ct Loose
Sale price¥9,800
Brazilian Aquamarine 0.627ct Loose Stone
Sale price¥6,980
Australian Prehnite 5.5mm/0.538ct Loose Stone
Sale price¥6,980
Synthetic Moissanite 0.714ct loose stone
Sale price¥6,980
Prehnite 0.818ct loose stone
Sale price¥3,980
Madeira Citrine 6mm/0.914ct loose
Sale price¥8,800
Bicolor sapphire 0.853ct loose stone
Sale price¥9,800
Pink sapphire from Greenland 0.754ct loose with certificate
Sale price¥25,800
Yellow sapphire from Sri Lanka 6mm/0.816ct loose
Sale price¥18,800
Yellow sapphire from Sri Lanka 6mm/0.962ct loose
Sale price¥18,800
Afghanistan Hackmanite 0.761ct loose stone (bicolor)
Sale price¥39,800
Madagascar sapphire 0.503ct loose stone
Sale price¥15,800
Tanzanian Rhodolite Garnet 0.643ct Loose Stone
Sale price¥6,980
Tanzanian Rhodolite Garnet 0.511ct Loose Stone
Sale price¥6,980
Tanzanian Rhodolite Garnet 0.734ct Loose Stone
Sale price¥6,980
American Peridot 5.1mm/0.566ct Loose Stone
Sale price¥9,800
Tanzanian Brown Zircon 0.642ct Loose Stone
Sale price¥8,800
Mongolian Andesine 0.822ct Loose Stone
Sale price¥9,800
Tanzanian Kornerupine Cat's Eye 0.816ct 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.