Australian black opal 0.805ct loose stone
Sale price¥39,800
Sri Lankan Hessonite Garnet 1.674ct Loose Stone
Sale price¥15,800
Myanmar Jade (Jadeite) 0.525ct Loose Stone
Sale price¥8,800
Afghan Bicolor Beryl 9.490ct Loose Gemstone (with Rainbow Inclusions)
Sale price¥25,800
Zambian bicolor tourmaline 4.142ct loose stone
Sale price¥98,000
Madagascar Pezzottaite 0.670ct Loose Stone, Japan-Germany Scale
Sale price¥298,000
Brazilian Paraiba tourmaline 0.065ct loose (CuO:2.0%, MnO:2.6%)
Sale price¥22,800
American oil-free red beryl 2.6mm/0.050ct loose GIA
Sale price¥79,800
Sri Lankan Chrysoberyl Cat's Eye 1.340ct Loose Stone
Sale price¥6,980
Mexican Fire Opal 0.218ct Loose Stone (Faceted Cut)
Sale price¥18,800
Mexican Fire Opal 0.277ct Loose (Faceted Cut)
Sale price¥5,980
Mexican Fire Opal 0.472ct Loose (Star Cut, Faceted Cut)
Sale price¥8,800
Mexican Fire Opal 0.564ct Loose (Faceted Cut)
Sale price¥12,800
Australian Prehnite 2.779 ct Loose Stone
Sale price¥12,800
Indian Parrot Chrysoberyl 4.5mm/0.375ct Loose Gemstone
Sale price¥15,800
Indian Parrot Chrysoberyl 4.2mm/0.347ct Loose Stone
Sale price¥12,800
Mexican Fire Opal 0.362ct Loose
Sale price¥15,800
Paraiba tourmaline from Brazil 0.162ct loose
Sale price¥69,800
Paraiba tourmaline from Brazil 0.097ct loose
Sale price¥22,800
Mexican Fire Opal (Faceted) 4.5mm/0.218ct Loose Stone
Sale price¥14,800
Paraiba tourmaline from Brazil 0.129ct loose (Cu:0.6%,MnO:0.9%)
Sale price¥29,800
Benitoite 0.091ct loose (emerald cut)
Sale price¥25,800
Myanmar orange jade (jade) 0.584ct loose
Sale price¥4,980
Brazilian unheated particolor Paraiba tourmaline 0.84ct loose GIA
Sale price¥2,580,000
Chrysoberyl cat's eye from Sri Lanka 0.340ct loose
Sale price¥9,800
USA origin Peridot, 0.496 ct, 2-stone matched pair, loose
Sale price¥12,800
American Peridot 0.969ct Loose Stone
Sale price¥25,800
Tanzanian Canary Yellow Chrysoberyl 0.139ct Loose Stone
Sale price¥16,800
Mexican Fire Opal 0.191ct Loose (Faceted Cut)
Sale price¥12,800
American benitoite 0.076ct loose
Sale price¥19,800
American benitoite 0.074ct loose
Sale price¥18,800
Bicolor Benitoite 0.130ct loose (emerald cut)
Sale price¥65,800
Paraiba tourmaline from Brazil 0.132ct loose (CuO:2.1%.MnO:2.2%)
Sale price¥188,000
American benitoite 0.069ct loose
Sale price¥19,800
Sri Lankan Bicolor Sapphire 0.607ct Loose Stone
Sale price¥15,800
American Peridot 0.770ct Loose Stone
Sale price¥12,800
Australian black opal 0.758ct loose stone
Sale price¥18,800
3.583ct Australian Black Opal Loose Stone (Double Sided)
Sale price¥29,800
Sri Lankan bicolor sapphire 0.586ct loose stone
Sale price¥39,800
American red beryl 0.208ct loose
Sale price¥22,800
American red beryl 0.141ct loose
Sale price¥14,800
Paraiba tourmaline from Brazil 0.243ct loose
Sale price¥14,800
Paraiba tourmaline from Mozambique 0.270ct loose
Sale price¥18,800
Parasitic Peridot 0.241ct Loose Stone, Japan-Germany Scale
Sale price¥98,000
Brazilian Paraiba Tourmaline 0.115ct Loose (CuO:2.0%, MnO:0.6%)
Sale price¥59,800
American benitoite 0.097ct loose
Sale price¥24,800
American benitoite 0.101ct loose
Sale price¥25,800
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.