Montana Sapphire 0.397ct loose (bicolor sapphire)
Sale price¥12,800
Bicolor Tourmaline 9.0mm/2.507ct Loose
Sale price¥29,800
Mexican Hyalite Opal 7.5mm/1.221ct Loose (Faceted Cut)
Sale price¥12,800
Paraiba tourmaline from Mozambique 0.240ct loose
Sale price¥29,800
Paraiba tourmaline from Mozambique 0.414ct loose
Sale price¥45,800
Paraiba tourmaline from Mozambique 0.246ct loose
Sale price¥35,800
Mexican fire opal, 0.733 ct, loose
Sale price¥29,800
British Rogerley Fluorite 3.750 ct loose stone
Sale price¥8,800
0.521ct Loose Brazilian London Blue Topaz
Sale price¥6,980
American Peridot 0.643ct Loose Stone
Sale price¥12,800
Australian Prehnite 2.051ct loose stone
Sale price¥8,800
Sri Lankan Hessonite Garnet Loose Stone, 6.5mm/1.353ct
Sale price¥12,800
Sri Lankan Hessonite Garnet 0.441ct Loose Stone
Sale price¥8,800
Australian Prehnite 2.666ct loose stone
Sale price¥12,800
Mexican Fire Opal (Faceted) 0.501ct Loose Stone
Sale price¥12,800
Australian Prehnite 0.908ct Loose
Sale price¥7,980
Benitoite from the USA, 0.064ct loose
Sale price¥29,800
Mexican Fire Opal 0.459ct Loose
Sale price¥18,800
Australian black opal 0.805ct loose stone
Sale price¥39,800
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
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
Australian Prehnite 2.779 ct Loose Stone
Sale price¥12,800
Indian Parrot Chrysoberyl 4.5mm/0.375ct Loose Gemstone
Sale price¥15,800
Paraiba tourmaline from Brazil 0.162ct loose
Sale price¥69,800
Paraiba tourmaline from Brazil 0.039ct loose (CuO:1.5%, MnO:2.0%)
Sale price¥24,800
Paraiba tourmaline from Brazil 0.032ct loose (CuO:2.2%, MnO:1.8%)
Sale price¥25,800
Paraiba tourmaline from Brazil 0.062ct loose (CuO:1.4%, MnO:1.5%)
Sale price¥39,800
Paraiba tourmaline from Mozambique 1.057ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.117ct loose
Sale price¥39,800
Benitoite 0.091ct loose (emerald cut)
Sale price¥25,800
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
American Benitoite 0.123ct Loose Stone (Emerald Cut)
Sale price¥39,800
American Benitoite 0.107ct Loose Stone (Emerald Cut)
Sale price¥35,800
American Benitoite 0.104ct Loose Stone (Emerald Cut)
Sale price¥29,800
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.