Cambodian colorless zircon 0.707ct loose stone
Sale price¥8,800
Cambodian colorless zircon 0.749ct loose stone
Sale price¥8,800
Madagascar Purple Sapphire 0.315ct Loose
Sale price¥12,800
Montana Sapphire 0.275ct Loose (Blue Sapphire)
Sale price¥8,800
Montana Sapphire 0.217ct Loose (Blue Sapphire)
Sale price¥8,800
Sunstone (Illusion Sunstone) 1.934ct Loose
Sale price¥8,800
Tanzania Bicolor Zoisite 6.9mm/1.365ct Loose Stone
Sale price¥24,800
[12558643] Safarin 0.251ct loose stone
Sale price¥19,800
Sri Lankan saffron 0.264ct loose stone with certificate
Sale price¥22,800
[12558638] Safarin 0.268ct loose stone
Sale price¥21,800
Brazilian citrine 2.641ct loose stone
Sale price¥8,800
Namibian Jeremejevite 0.193ct loose stone JTL catalogue
Sale price¥98,000
Blue spinel 0.451ct loose stone
Sale price¥18,800
Malawi Bicolor Zircon 1.223ct Loose Stone
Sale price¥55,800
Ethiopian Sunstone 1.563ct Loose
Sale price¥9,800
Malawi Bicolor Zircon 0.355ct Loose Stone
Sale price¥12,800
[12558439] Malawi Bicolor Zircon 0.809ct Loose Stone
Sale price¥32,800
Namibian Jeremejevite 0.065ct loose stone with certificate
Sale price¥19,800
Namibian Jeremejevite 0.052ct loose stone JTL catalogue
Sale price¥18,800
Bicolor sapphire 0.180ct loose
Sale price¥12,800
Bicolor sapphire 0.225ct loose
Sale price¥15,800
Bicolor sapphire 0.480ct loose
Sale price¥28,800
Bicolor sapphire 0.405ct loose
Sale price¥25,800
Australian Rainbow Lattice Sunstone 0.811ct Loose Stone
Sale price¥15,800
Spanish Sphalerite 5.3mm/1.009ct loose stone
Sale price¥6,980
Spanish Sphalerite 5.1mm/0.928ct loose stone
Sale price¥5,980
Spanish Sphalerite 5.9mm/1.132ct loose stone
Sale price¥6,980
Spanish Sphalerite 5.9mm/1.498ct loose stone
Sale price¥8,800
Spanish Sphalerite 6.3mm/1.771ct loose stone
Sale price¥8,800
Myanmar Purple Spinel 0.311ct Loose Stone
Sale price¥8,800
Madagascar pink sapphire 0.486ct loose stone
Sale price¥12,800
Madagascar sapphire 0.206ct loose stone
Sale price¥12,800
Madagascar Yellow Sapphire 0.493ct Loose
Sale price¥9,800
Australian Rainbow Lattice Sunstone 1.313ct Loose Stone
Sale price¥12,800
Australian Rainbow Lattice Sunstone 1.914ct Loose Stone
Sale price¥19,800
Australian Rainbow Lattice Sunstone 0.633ct Loose Stone
Sale price¥8,800
Australian Rainbow Lattice Sunstone 0.795ct Loose Stone
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.300ct Loose
Sale price¥12,800
Madagascar pink sapphire 0.466ct loose stone
Sale price¥12,800
Sri Lankan Star Sapphire 5.0mm/0.892ct Loose Stone
Sale price¥9,800
Myanmar color change zircon 0.626ct loose stone
Sale price¥55,800
Tanzanian bicolor sapphire 0.950ct loose stone
Sale price¥25,800
Tanzanian bicolor sapphire 0.707ct loose stone
Sale price¥18,800
Tanzanian bicolor sapphire 0.598ct loose stone
Sale price¥16,800
Tanzanian bicolor sapphire 0.571ct loose stone
Sale price¥15,800
Tanzanian bicolor sapphire 0.623ct loose stone
Sale price¥16,800
Madagascar Purple Sapphire 0.311ct Loose Stone
Sale price¥9,800
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.