American Peridot 4.5mm/0.370ct Loose Stone
Sale price¥8,800
Tanzanian Kornerupine 0.219ct Loose Stone
Sale price¥29,800
Tanzanian Kornerupine 0.084ct Loose Stone
Sale price¥22,800
Tanzanian Brown Zircon 0.642ct Loose Stone
Sale price¥8,800
Brazilian London Blue Topaz 0.429ct Loose
Sale price¥6,980
Brazilian London Blue Topaz 0.321ct Loose Stone
Sale price¥5,980
Brazilian Aquamarine 0.259ct Loose Stone
Sale price¥6,980
Mongolian Andesine 0.822ct Loose Stone
Sale price¥9,800
Tanzanian Kornerupine Cat's Eye 0.816ct Loose Stone
Sale price¥6,980
Cambodian Blue Zircon 0.521ct Loose Stone
Sale price¥5,980
Nigerian green beryl 0.437ct loose stone
Sale price¥9,800
Zimbabwean Euclase 0.580ct Rough Stone
Sale price¥34,800
Myanmar pink spinel 0.294ct loose stone
Sale price¥6,980
Green tourmaline 0.305ct loose stone
Sale price¥3,980
Pink tourmaline 0.506ct loose
Sale price¥5,980
Pink tourmaline 0.553ct loose
Sale price¥6,980
Pink tourmaline 0.734ct loose
Sale price¥7,980
Diaspore 0.660ct loose
Sale price¥3,980
Diaspore 0.657ct loose
Sale price¥3,980
Diaspore 0.672ct loose
Sale price¥3,980
Myanmar Maw Sisit 0.855ct loose stone (Maw Sisit)
Sale price¥4,980
Rhodochrosite from South Africa 5.2mm/0.645ct loose
Sale price¥55,800
Russian demantoid garnet (horsetail recognized) 4.5mm/0.423ct loose
Sale price¥69,800
American Benitoite 0.100ct Loose Stone (Emerald Cut)
Sale price¥32,800
Pakistani Veirinite 0.206ct loose stone
Sale price¥55,800
Diamond (cabochon cut) 0.196ct loose
Sale price¥29,800
Zimbabwe bicolor euclase 0.385ct loose stone
Sale price¥98,000
Madagascar Apatite 0.371ct Loose Stone
Sale price¥2,980
Rubellite from Mozambique 0.748ct loose
Sale price¥9,800
Ruby from Greenland 0.307ct loose with certificate
Sale price¥15,800
Mexican Fire Opal 5mm/0.342ct Loose (Contralus Opal)
Sale price¥9,800
Synthetic rutile 5mm/0.585ct loose
Sale price¥12,800
Synthetic rutile 5mm/0.642ct loose stone
Sale price¥12,800
American Benitoite 0.158ct loose stone
Sale price¥59,800
American Benitoite 0.296ct loose stone
Sale price¥148,000
Madagascar Grandidierite 0.156ct loose stone
Sale price¥35,800
Brazilian bicolor tourmaline 0.880ct loose stone
Sale price¥12,800
Spanish Andalusite 4mm/0.204ct loose stone (rose cut)
Sale price¥4,980
Mongolian color change andesine 0.749ct loose stone
Sale price¥12,800
Sapphire from Sri Lanka (Safarin) 0.245ct loose
Sale price¥12,800
South African diamond rough stone 0.430ct
Sale price¥9,800
Tanzanite from Tanzania 0.350ct loose stone
Sale price¥8,800
Sri Lankan Rhodolite Garnet 0.244ct Loose Stone, Japan-Germany Scale
Sale price¥8,800
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.