Radiant Cut
Mexican Fire Opal (Faceted Cut) 0.525ct Loose
Sale price¥12,800
Blue spinel 0.451ct loose stone
Sale price¥18,800
Brazilian Sky Blue Topaz 1.256ct Loose Stone
Sale price¥8,800
Madagascar sphene 0.430ct loose stone
Sale price¥8,800
Madagascar sphene 1.060ct loose stone
Sale price¥12,800
Spanish bicolor sphalerite 0.765ct loose stone
Sale price¥12,800
Brazilian Morganite 0.591ct loose stone
Sale price¥3,980
Fancy Yellow Diamond 0.227 Loose (FANCY YELLOW, I-2)
Sale price¥59,800
Sri Lankan White Sapphire 0.385ct Loose
Sale price¥14,800
Brazilian Petalite 0.713ct loose stone
Sale price¥5,980
Brazilian Petalite 1.654ct loose stone
Sale price¥9,800
Umba Sapphire (Tanzania) 0.182ct loose stone
Sale price¥7,980
Pakistani Lazurite (Azurite) 0.375ct loose stone
Sale price¥59,800
Oregon Sunstone 0.713ct loose
Sale price¥6,980
Cambodian Blue Zircon 0.744ct Loose Stone
Sale price¥8,800
Cambodian Blue Zircon 0.348ct Loose Stone
Sale price¥6,980
Oregon Sunstone 0.462ct loose
Sale price¥6,980
Scapolite 0.587ct loose stone from Japan and Germany
Sale price¥8,800
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.