Mexican Opal (Faceted) 0.261ct Loose (Contrarus Opal)
Sale price¥12,800
Mexican Fire Opal (Faceted) 0.401ct Loose (Contrarus Opal)
Sale price¥15,800
Brazilian Amethyst 0.256ct Loose Stone
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.170ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.182ct Loose
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.297ct Loose
Sale price¥12,800
Greenland Ruby 0.253ct Loose Stone with Certificate
Sale price¥49,800
Greenland Ruby 0.266ct Loose Stone with Certificate
Sale price¥22,800
Greenland sapphire 0.133ct loose stone with certificate
Sale price¥14,800
Brazilian Green Tourmaline 5.0mm/0.401ct Loose Stone (Rose Cut)
Sale price¥9,800
Russian Demantoid Garnet (Horsetail) 3.8mm/0.249ct Loose Stone
Sale price¥39,800
Brazilian Blue Anatase 0.424ct Loose Stone
Sale price¥49,800
Madagascar Dumortierite (single crystal) 0.195ct loose stone
Sale price¥89,800
Mozambique Ruby 3.4mm/0.139ct Loose Stone
Sale price¥25,800
Afghanistan Hackmanite 0.177ct loose stone
Sale price¥14,800
Russian Demantoid Garnet 0.192ct Loose Stone
Sale price¥79,800
Sri Lankan blue sapphire 0.187ct loose stone
Sale price¥29,800
American Peridot 0.283ct Loose Stone
Sale price¥8,800
[11/3 22:00] Zimbabwean Bicolor Euclase 0.196ct Loose Stone
Sale price¥45,800
Tanzanian Blue Zoisite 0.473ct Loose Stone
Sale price¥9,800
Madagascar Bicolor Sapphire 0.266ct Loose
Sale price¥16,800
Zimbabwean sphene 4.7mm/0.400ct loose stone
Sale price¥9,800
Mexican Opal 0.233ct Loose (Faceted)
Sale price¥12,800
Brazilian mint-colored emerald 0.491ct loose stone
Sale price¥15,800
Tanzanian Kornerupine 0.324ct Loose Stone
Sale price¥29,800
Madagascar Bicolor Sapphire 0.318ct Loose
Sale price¥25,800
Colombian emerald 0.176ct loose stone
Sale price¥59,800
Pezzottaite from Madagascar 0.198ct loose stone
Sale price¥15,800
Tanzanian bicolor sapphire 0.486ct loose stone
Sale price¥12,800
Russian Demantoid Garnet (Horsetail) 3.8mm/0.280ct Loose Stone
Sale price¥49,800
Russian Demantoid Garnet (Horsetail) 0.256ct Loose Stone
Sale price¥79,800
Greenland Ruby 0.360ct Loose Stone with Certificate
Sale price¥69,800
0.167ct loose alexandrite from Russia
Sale price¥98,000
Grandidierite from Madagascar 0.168ct loose stone
Sale price¥35,800
Tibetan Andesine 0.361ct Loose Stone
Sale price¥8,800
Tanzanite from Tanzania 0.342ct loose stone
Sale price¥7,980
Tanzanite from Tanzania 0.342ct loose stone
Sale price¥7,980
Almandine Garnet 0.348ct Loose Stone
Sale price¥8,800
Mexican Fire Opal 5.8mm/0.345ct Loose Stone
Sale price¥12,800
Tanzanian mint diopside 0.364ct loose stone
Sale price¥9,800
Brazilian Kasharai Amethyst 5.6mm/0.460ct Loose Stone
Sale price¥8,800
Madagascar Bicolor Sapphire 0.278ct Loose
Sale price¥8,800
Madagascar Bicolor Sapphire 0.324ct Loose
Sale price¥9,800
Brazilian Kasharai Amethyst 0.314ct Loose Stone
Sale price¥9,800
Oregon Sunstone from the United States, 0.386ct loose stone
Sale price¥24,800
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.