Colombian Trapiche Emerald 0.291ct Loose
Sale price¥15,800
Sri Lankan Star Sapphire 5.225ct Loose
Sale price¥98,000
Colombian pyrite-mica emerald 3.208ct loose stone
Sale price¥228,000
Chinese bicolor fluorite 1.215ct loose stone
Sale price¥7,980
Tanzanian bicolor sapphire 0.125ct loose stone
Sale price¥4,980
Cassiterite 1.658ct loose stone (bicolor cassiterite) Japan-Germany exchange
Sale price¥128,000
Bicolor Euclase from Zimbabwe 0.033ct loose
Sale price¥28,800
Russian diamond rough (sawable) 0.094ct rough
Sale price¥24,800
Brazilian Paraiba Tourmaline 0.759ct rough stone
Sale price¥45,800
Zimbabwean Blue Apatite (UV Type) 1.019ct Loose
Sale price¥14,800
Mozambique Pink Tourmaline 1.122ct Loose Stone (Contains CuO)
Sale price¥39,800
Montana Sapphire 0.331ct Loose (Bi-Color Sapphire)
Sale price¥8,800
Montana Sapphire 0.405ct Loose (Green Sapphire)
Sale price¥9,800
Indian Cavansite 1.171ct loose stone
Sale price¥9,800
Pink tourmaline 0.517ct loose
Sale price¥6,980
Tanzanian Mint Garnet 1.276ct Loose Stone
Sale price¥69,800
Pink sapphire 0.271ct loose stone
Sale price¥8,800
Yellow Sapphire 4.0mm/0.266ct Loose
Sale price¥12,800
Pink sapphire 4.5mm/0.390ct loose stone
Sale price¥15,800
Purple sapphire 4mm/0.273ct loose stone
Sale price¥12,800
Violet Sapphire 4.3mm/0.328ct Loose
Sale price¥15,800
Bicolor tourmaline 7.809ct loose stone
Sale price¥9,800
Bicolor tourmaline 7.532ct loose stone
Sale price¥9,800
Bicolor tourmaline 3.468ct loose stone
Sale price¥6,980
Bicolor tourmaline 9.199ct loose stone
Sale price¥9,800
Bicolor Tourmaline 13.489ct Loose
Sale price¥9,800
Argentine bicolor fluorite 11.226ct loose stone
Sale price¥6,980
Chinese bicolor fluorite 6.274ct loose stone
Sale price¥8,800
Pakistani Aragonite 2.544ct loose stone
Sale price¥7,980
Pakistani Aragonite 2.879ct loose stone
Sale price¥8,800
Pakistani Aragonite 3.086ct loose stone
Sale price¥9,800
Pakistani Aragonite 4.782ct loose stone
Sale price¥14,800
Green tourmaline 0.512ct loose stone
Sale price¥9,800
Brazilian Lepidocrocite in Quartz 1.126ct Loose Stone
Sale price¥12,800
Brazilian Sky Blue Topaz (untreated) 2.116ct loose stone
Sale price¥15,800
Nigerian Aventurine Aquamarine 0.471ct Loose Stone
Sale price¥8,800
Madagascar Yellow Sapphire 0.863ct Loose
Sale price¥18,800
Tanzanian Kornerupine 0.416ct loose stone
Sale price¥8,800
Brazilian Morganite 4.720ct loose stone
Sale price¥98,000
Watermelon tourmaline 6.575ct rough stone
Sale price¥9,800
Bicolor Fluorite 0.582ct Loose
Sale price¥5,980
Bicolor fluorite 1.332ct loose stone
Sale price¥6,980
Mexican Opal 0.854ct Loose
Sale price¥6,980
Indian Cavansite 240.461ct rough stone
Sale price¥9,800
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.