Oregon Sunstone 0.713ct loose
Sale price¥4,980
Indian Moonstone 8mm/1.879ct Loose
Sale price¥6,980
Mexican Fire Opal 0.718ct Loose
Sale price¥9,800
Mexican Fire Opal 0.593ct Loose (Faceted Cut)
Sale price¥9,800
Madagascar sapphire 0.448ct loose stone
Sale price¥15,800
Australian Rainbow Lattice Sunstone 1.746ct Loose Stone
Sale price¥12,800
Brazilian Imperial Topaz 0.746ct Loose
Sale price¥18,800
【Sales begin on 6/21 at 10 PM】Mexican Fire Opal 1.857ct Loose Gemstone
Sale price¥25,800
[On sale June 21st, 10 PM] Mexican Fire Opal Loose Stone 2.279ct
Sale price¥15,800
[On sale June 20 at 10 PM] Cambodian orange zircon 3.800ct loose stone
Sale price¥45,800
【On sale June 14, 10 PM】Spanish Andalusite 0.416ct Loose Stone
Sale price¥9,800
Spanish Sphalerite 9.2mm/3.980ct loose stone
Sale price¥49,800
Spessartite Garnet from Madagascar 1.053ct loose stone
Sale price¥29,800
Mexican Opal 0.499ct Loose
Sale price¥3,980
Mexican Opal 0.854ct Loose
Sale price¥5,980
Oregon Sunstone 0.462ct loose
Sale price¥5,980
Bicolor tourmaline 4.448ct loose stone
Sale price¥55,800
[On sale June 2nd, 10 PM] Spanish Sphalerite 4.445ct Loose Stone
Sale price¥79,800
[Koshu Precious Stones plusthree] Citrine 5.121ct Loose
Sale price¥35,800
Mexican Opal 1.666ct Loose
Sale price¥14,800
Spanish Sphalerite 11mm/7.286ct loose stone
Sale price¥79,800
Spanish sphalerite 6.392 ct loose stone
Sale price¥79,800
Unheated Brazilian Imperial Topaz (Sherry Color) 0.314ct Loose
Sale price¥22,800
Oregon Sunstone 0.575ct loose
Sale price¥9,800
Sunstone (Illusion Sunstone) 0.553ct Loose
Sale price¥7,980
Ethiopian Opal 2.131ct Loose
Sale price¥9,800
Ethiopian Opal 1.694ct Loose
Sale price¥7,980
Brazilian Imperial Topaz 0.413ct Loose Stone
Sale price¥9,800
Brazilian Imperial Topaz 0.402ct Loose Stone
Sale price¥9,800
Mexican Fire Opal (faceted) 0.645ct Loose Stone
Sale price¥18,800
Oregon Sunstone from the United States 0.941ct loose stone
Sale price¥12,800
Brazilian Morganite 10mm/4.535ct Loose Stone
Sale price¥148,000
Madagascar Pezzottaite 0.229ct loose stone
Sale price¥15,800
Mexican Fire Opal 1.833ct Loose
Sale price¥39,800
Mexican Fire Opal 2.235ct Loose
Sale price¥19,800
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.