Synthetic rutile 6mm/1.091c loose stone
Sale price¥22,800
[Sakura Incut] Danburite 8mm/1.581ct loose stone with patch
Sale price¥29,800
Colombian emerald cat's eye 0.138ct loose
Sale price¥17,800
Pink tourmaline 0.692ct loose stone
Sale price¥18,800
Pink tourmaline 0.845ct loose stone
Sale price¥14,800
Yellow Opal 0.372ct Loose (Faceted Cut)
Sale price¥8,800
0.421ct loose yellow sapphire from Ratnapura, Sri Lanka
Sale price¥11,800
Pink spinel 0.713ct loose stone
Sale price¥8,800
Morganite 0.379ct loose stone
Sale price¥8,800
Goshenite 0.846ct loose stone
Sale price¥8,800
Mexican Hyalite Opal 1.215ct Loose (Faceted Cut)
Sale price¥9,800
Benitoite 0.338ct loose stone
Sale price¥258,000
Australian Rainbow Lattice Sunstone 0.463ct Loose Stone
Sale price¥5,980
Tanzanian Kornerupine 0.199ct loose stone
Sale price¥19,800
Tanzanian Kornerupine 0.172ct loose stone
Sale price¥18,800
Tanzanian Kornerupine 0.212ct loose stone
Sale price¥19,800
Tanzanian Kornerupine 0.356ct loose stone
Sale price¥49,800
Tanzanian Mandarin Garnet 0.359ct Loose Stone
Sale price¥22,800
Paraiba Tourmaline from Mozambique 0.171ct loose stone
Sale price¥8,980
Paraiba Tourmaline from Mozambique 0.153ct loose stone
Sale price¥9,800
Paraiba Tourmaline from Mozambique 0.154ct loose stone
Sale price¥9,800
Tanzanian Kornerupine 0.213ct loose stone
Sale price¥12,800
Myanmar orange spinel 0.377ct loose stone
Sale price¥15,800
Color change sapphire 0.473ct loose stone (purple sapphire)
Sale price¥29,800
Madagascar Green Sapphire 0.253ct Loose
Sale price¥9,800
Madagascar Yellow Sapphire 4.4mm/0.417ct Loose
Sale price¥15,800
Madagascar Blue Sapphire 0.302ct Loose
Sale price¥16,800
Madagascar pink sapphire 0.346ct loose stone
Sale price¥16,800
Madagascar pink sapphire 0.243ct loose stone
Sale price¥9,800
Tanzanite 1.891ct loose stone
Sale price¥39,800
Tanzanian Kornerupine 0.391ct loose stone
Sale price¥39,800
Sri Lankan Blue Sapphire 0.519ct Loose
Sale price¥15,800
Tanzania Green Zoisite 0.709ct Loose Stone
Sale price¥19,800
Tanzanite 1.116ct loose stone
Sale price¥29,800
Tanzanian Rhodolite Garnet 1.157ct Loose Stone
Sale price¥14,800
Spanish Andalusite 0.535ct loose stone
Sale price¥8,800
Ethiopian Opal 5.7mm/0.878ct Loose (Sphere)
Sale price¥7,980
Mexican Fire Opal 0.599ct Loose
Sale price¥6,980
Mozambique Elbaite Tourmaline 1.793ct Loose Stone
Sale price¥49,800
[12551668] Anthill Garnet 1.008ct Loose
Sale price¥29,800
Madagascar sphene 1.146ct loose stone
Sale price¥29,800
[Cat cut] Brazilian dendritic agate 0.774ct loose stone
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.