0.257ct Unheated Silky Pink Sapphire from Vietnam
Sale price¥12,800
Rough diamond (sawable) 0.466ct rough diamond (with trigon)
Sale price¥98,000
Diamond rough (makeable) 0.204ct rough
Sale price¥39,800
Zimbabwean Bicolor Euclase 0.201ct Loose Stone
Sale price¥48,800
Parasitic Peridot 0.241ct Loose Stone, Japan-Germany Scale
Sale price¥98,000
Russian Demantoid Garnet (Horsetail) 4.2mm/0.325ct Loose Stone
Sale price¥59,800
Tanzanian Chrome Tourmaline 0.164ct Loose Stone
Sale price¥9,800
![[12/7 22:00] American Peridot 0.385ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052641_37df0278-4a00-4c48-9087-8187fb202890.jpg?v=1765587659&width=4000)
[12/7 22:00] American Peridot 0.385ct Loose Stone
Sale price¥8,800
Synthetic quartz 0.430ct loose stone (synthetic green quartz)
Sale price¥6,980
Loose Tourmaline from Brazil, 0.270 ct
Sale price¥5,980
Mexican Opal (Faceted) 0.261ct Loose (Contrarus Opal)
Sale price¥12,800
Brazilian Amethyst 0.256ct Loose Stone
Sale price¥8,800
Sri Lankan Golden Sapphire 0.649ct Loose
Sale price¥29,800
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
Brazilian Green Tourmaline 5.0mm/0.401ct Loose Stone (Rose Cut)
Sale price¥9,800
Afghanistan Hackmanite 0.177ct loose stone
Sale price¥14,800
Russian Demantoid Garnet 0.192ct Loose Stone
Sale price¥79,800
[11/3 22:00] Zimbabwean Bicolor Euclase 0.196ct Loose Stone
Sale price¥45,800
Madagascar Bicolor Sapphire 0.266ct Loose
Sale price¥16,800
Zimbabwean sphene 4.7mm/0.400ct loose stone
Sale price¥9,800
Colombian Euclase 0.546ct Loose Stone
Sale price¥25,800
Brazilian mint-colored emerald 0.491ct loose stone
Sale price¥15,800
Madagascar Bicolor Sapphire 0.318ct Loose
Sale price¥25,800
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) 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
Tanzanite from Tanzania 0.342ct loose stone
Sale price¥7,980
Almandine Garnet 0.348ct Loose Stone
Sale price¥8,800
Moldavite from the former Czechoslovakia, 0.090ct loose stone
Sale price¥9,800
American Benitoite 0.165ct loose stone
Sale price¥59,800
American Benitoite 0.185ct Loose Stone
Sale price¥128,000
Cassiterite 4.2mm/0.676ct Loose Stone with Certificate of Authenticity
Sale price¥16,800
Parasitic Peridot 0.292ct Loose Stone
Sale price¥98,000
Brazilian London Blue Topaz 0.415ct Loose Stone
Sale price¥6,980
Russian Demantoid Garnet (Horsetail) 0.487ct Loose Stone
Sale price¥110,000
American Benitoite 0.262ct loose stone
Sale price¥128,000
Tanzanian purple sapphire 0.355ct loose stone
Sale price¥9,800
Afghanistan Hackmanite 0.134ct loose stone
Sale price¥6,980
Afghanistan Hackmanite 0.121ct loose stone
Sale price¥6,980
Golden Iolite (Cordierite) from Madagascar 0.193ct loose stone
Sale price¥8,800
[Rouge Cut] Brazilian Bicolor Tourmaline 0.578ct Loose
Sale price¥9,800
Zimbabwean sphene 0.978ct loose stone
Sale price¥18,800
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.