Brazilian rhodonite 1.423ct loose stone
Sale price¥29,800
Afghan Green Hauyne 0.062ct Loose with Certificate
Sale price¥16,800
0.750ct Loose Nigerian Mandarin Garnet with Certification
Sale price¥22,800
0.752ct Tanzanian Golden Zircon Loose Gemstone with Certificate
Sale price¥12,800
[Listed as 12563891] Namibian Jeremejevite 0.089ct Loose
Sale price¥22,800
Brazilian Alexandrite 0.102ct Loose Stone with Certification
Sale price¥29,800
Nepalese Kyanite 2.461ct Loose Stone
Sale price¥12,800
Diamond 3.0mm/0.105ct Loose (F, VVS2, VeryGood)
Sale price¥19,800
Colombia Cosquez Mine Trapiche Emerald 0.138ct Loose with Certificate
Sale price¥19,800
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
Kochi Prefecture-produced Red Coral 1.379 ct Loose Stone
Sale price¥11,800
Colombia Emerald Cat's Eye 0.060ct Loose, Hōki Kyō
Sale price¥15,800
0.319 ct Tanzanian bicolor grossular garnet loose stone
Sale price¥19,800
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
【Listed on 12563251】Afghan Hauyne 0.080ct Loose
Sale price¥25,800
[Posted on 12563480] Madagascar Teal Green Sapphire 0.470ct Loose Stone
Sale price¥29,800
[Listed as 12563371] Zimbabwe Euclase 0.087ct Loose Gemstone
Sale price¥19,800
[Listed as 12563467] Malawi sapphire 0.128ct loose stone
Sale price¥18,800
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
Kochi Prefecture produced oxblood coral 1.087ct loose gemstone
Sale price¥12,800
Brazilian Dendritic Quartz 4.571ct Loose
Sale price¥12,800
Brazilian Dendritic Quartz 5.085ct Loose Stone
Sale price¥12,800
Australian Rainbow Lattice Sunstone 0.722ct Loose
Sale price¥14,800
Brazilian rose quartz 8.7mm/2.536ct loose stone
Sale price¥11,800
American Oregon Sunstone 1.032ct Loose
Sale price¥25,800
Australian Rainbow Lattice Sunstone 4.133ct Loose
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.