Colombia Emerald 4.5mm/0.286ct Loose Stone (Hokikyō)
Sale price¥69,800
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
[Posted on 12563480] Madagascar Teal Green Sapphire 0.470ct Loose Stone
Sale price¥29,800
[Listed as 12563489] Sri Lankan Blue Sapphire 0.636 ct Loose Stone
Sale price¥39,800
[Listed as 12563467] Malawi sapphire 0.128ct loose stone
Sale price¥18,800
[Published on 12563087] Unheated Ruby 0.216ct Loose Stone
Sale price¥59,800
Tanzanian Zircon 1.237 ct Loose Stone [Listing 12563381]
Sale price¥15,800
Jeremejevite 0.226ct Loose
Sale price¥45,800
[Listed on 12563726] Sri Lankan Purple Sapphire 0.661ct Loose Stone
Sale price¥59,800
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
Australian Rainbow Lattice Sunstone 0.850ct Loose Stone
Sale price¥8,800
Australian Rainbow Lattice Sunstone 0.722ct Loose
Sale price¥14,800
Oregon Sunstone from the USA, 7.0mm/1.345ct Loose
Sale price¥35,800
American Oregon Sunstone 1.032ct Loose
Sale price¥25,800
Australian rainbow lattice sunstone, 0.352 ct, loose
Sale price¥8,800
0.294ct UV Type Grossular Garnet Loose Stone from Tanzania
Sale price¥25,800
Synthetic Rutile 5.3mm/0.844ct Loose Gemstone
Sale price¥13,800
Brazilian yellow beryl, 1.472 ct loose
Sale price¥19,800
Bi-color Kyanite from Nepal, 0.526ct, Loose
Sale price¥15,800
Kyanite from Nepal 0.477ct Loose Gemstone
Sale price¥12,800
Sri Lankan Uva Moonstone 0.974ct Loose Gemstone
Sale price¥11,800
Sri Lankan Uva Moonstone 7.7mm/1.763ct Loose
Sale price¥18,800
Tanzanian Bicolor Zoisite 0.255ct Loose Stone
Sale price¥8,800
Tanzanian Zoisite 4.9mm/0.472ct Loose
Sale price¥15,800
Jeremejevite from Namibia, 0.140ct Loose Stone, with Certificate
Sale price¥33,800
Loose 0.824 ct Colombian Bi-Color Emerald
Sale price¥25,800
1.082ct Loose Australian Black Opal with Certification
Sale price¥69,800
Australian Black Opal 0.778ct Loose
Sale price¥35,800
Tanzanian Ayana spinel (hot pink spinel) 3.0mm/0.107ct loose
Sale price¥18,800
1.361ct loose Amphibole in Danburite from Brazil
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.