Brazilian copper rutilated quartz 1.262ct loose stone
Sale price¥6,980
Brazilian copper rutilated quartz 1.647ct loose stone
Sale price¥6,980
Pakistani Clinohumite 1.440ct Loose Stone, Japan-Germany Exchange
Sale price¥39,800
【9/1 22時販売】アメリカ産ペリドット 0.803ctルース
Sale price¥9,800
[Published as 12563385] Tanzanian Zircon 3.964ct Loose
Sale price¥39,800
Goshenite 0.846ct loose stone
Sale price¥7,980
Colombian Pyrite, Mica in Emerald 1.192ct Loose Stone with Certificate
Sale price¥79,800
[Posted as 12562691] Malawi Bicolor Zircon 2.082ct Loose
Sale price¥128,000
Bicolor Sphalerite from Spain 6.6mm/1.521ct Loose Stone
Sale price¥22,800
Spanish Sphalerite 6.5mm/1.321ct Loose Stone
Sale price¥19,800
Brazil Color Change Fluorite 1.099ct Loose Stone
Sale price¥9,800
Kochi Prefecture Aka Sango (Red Coral) 1.439ct Loose Stone
Sale price¥9,800
Kochi Prefecture-produced red coral 0.978ct loose stone
Sale price¥9,800
Kochi Prefecture-sourced deep red coral, 1.238ct loose stone
Sale price¥9,800
Kochi Prefecture Blood Coral 1.286ct Loose Stone
Sale price¥9,800
Kochi Prefecture-produced Red Coral 1.379 ct Loose Stone
Sale price¥11,800
Kochi Prefecture-produced red coral 1.321ct loose stone
Sale price¥9,800
Oregon Sunstone from USA, 6.7mm/1.032ct, loose stone
Sale price¥18,800
Kochi Prefecture Deep-Red Coral 1.446ct Loose Gemstone
Sale price¥12,800
Kochi Prefecture Deep Red Coral 1.290ct Loose Gemstone
Sale price¥12,800
Oregon Sunstone from the USA, 7.0mm/1.345ct Loose
Sale price¥35,800
Brazilian yellow beryl, 1.472 ct loose
Sale price¥19,800
1.361ct loose Amphibole in Danburite from Brazil
Sale price¥14,800
Malawi Moonstone (Malawi) 1.651ct Loose
Sale price¥8,800
Malawi Moonstone 1.980ct Loose
Sale price¥11,000
Malawi Moonstone 1.948ct Loose Gemstone
Sale price¥8,800
Malawi Moonstone 2.199ct Loose
Sale price¥12,800
Malawi Moonstone 2.155ct Loose
Sale price¥12,800
Malawi Moonstone 1.747ct Loose
Sale price¥8,800
2.073ct Loose Australian Rainbow Lattice Sunstone
Sale price¥15,800
Sphalerite from Bulgaria 7.0mm/1.790ct Loose Stone
Sale price¥59,800
Loose Oregon Sunstone from the USA, 7.0mm/1.224ct
Sale price¥28,800
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.