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 Aka珊瑚 (Red Coral) 1.128ct 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
Oregon Sunstone from USA, 6.7mm/1.032ct, loose stone
Sale price¥18,800
[Listed as 12563246] Mexican Fire Opal 1.115ct Loose
Sale price¥25,800
Tanzanian Zircon 1.237 ct Loose Stone [Listing 12563381]
Sale price¥15,800
Kochi Prefecture Deep-Red Coral 1.446ct Loose Gemstone
Sale price¥12,800
Red Coral from Kochi Prefecture, 1.119ct Loose Stone
Sale price¥11,800
Kochi Prefecture oxblood coral 1.001ct loose gemstone
Sale price¥12,800
Kochi Prefecture Deep Red Coral 1.290ct Loose Gemstone
Sale price¥12,800
Kochi Prefecture-produced red coral 1.063ct loose gemstone
Sale price¥12,800
Oregon Sunstone from the USA, 7.0mm/1.345ct Loose
Sale price¥35,800
American Oregon Sunstone 1.032ct Loose
Sale price¥25,800
Brazilian yellow beryl, 1.472 ct loose
Sale price¥19,800
1.082ct Loose Australian Black Opal with Certification
Sale price¥69,800
1.361ct loose Amphibole in Danburite from Brazil
Sale price¥14,800
Malawi Moonstone (Malawi) 1.651ct Loose
Sale price¥8,800
Malawi Moonstone 1.948ct Loose Gemstone
Sale price¥8,800
Malawi Moonstone 1.747ct Loose
Sale price¥8,800
USA Origin Oregon Sunstone 7.1mm/1.397ct Loose Stone
Sale price¥39,800
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
Oregon Sunstone from the USA, 8.1mm/1.840ct Loose Stone
Sale price¥39,800
Brazilian Dumortierite in Quartz 1.684ct Loose Gemstone
Sale price¥12,800
[Listing 12563380] Unset 1.077ct Tanzanian Zircon
Sale price¥12,800
[Listed as 12562693] Malawi Bicolor Zircon 1.434ct Loose
Sale price¥79,800
Brazilian Dumortierite in Quartz 1.290ct Loose
Sale price¥12,800
Dumortierite in quartz from Brazil 7.3mm/1.729ct loose stone
Sale price¥12,800
Kochi Prefecture oxblood coral 1.593ct loose
Sale price¥9,800
Kochi Prefecture Blood Coral 1.585ct Loose Gemstone
Sale price¥9,800
Malawi Moonstone 1.748ct Loose Gemstone
Sale price¥9,800
Malawi Moonstone 1.626ct Loose
Sale price¥9,800
Malawi Moonstone 1.621ct Loose
Sale price¥9,800
Moonstone from Malawi (Malawi Moonstone) 1.684ct Loose
Sale price¥9,800
1.939 ct loose Malawi moonstone
Sale price¥12,800
Brazilian Dendritic Agate 1.679ct Loose Stone
Sale price¥5,980
Sri Lankan Chrysoberyl Cat's Eye 1.514ct Loose Stone
Sale price¥5,980
Sri Lankan Chrysoberyl Cat's Eye 1.074ct Loose Stone
Sale price¥4,980
Almandine Garnet 1.471ct Loose Stone
Sale price¥14,800
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.