Madagascar pink sapphire 0.275ct loose stone
Sale price¥12,800
Madagascar Blue Sapphire (Ice Blue) 0.263ct Loose
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 1.054ct Loose Stone
Sale price¥18,800
Brazilian Paraiba Tourmaline in Quartz 7.9mm/1.133ct Loose Stone
Sale price¥22,800
Brazilian Paraiba Tourmaline in Quartz 1.530ct Loose Stone
Sale price¥29,800
Brazilian Paraiba Tourmaline in Quartz 3.046ct loose stone
Sale price¥45,800
Brazilian Paraiba Tourmaline in Quartz 4.5mm/0.309ct Loose Stone
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 4.3mm/0.292ct Loose Stone
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 4.5mm/0.328ct Loose Stone
Sale price¥12,800
Cambodian colorless zircon 1.407ct loose stone
Sale price¥12,800
Cambodian colorless zircon 1.806ct loose stone
Sale price¥15,800
Oregon Sunstone from the United States 0.596ct loose stone
Sale price¥12,800
Tanzania UV type bicolor tsavorite 0.947ct loose stone
Sale price¥39,800
Sri Lankan Rhodolite Garnet 1.858ct Loose Stone
Sale price¥15,800
Australian white opal 2.318ct loose
Sale price¥12,800
Tanzanian Kornerupine 0.616ct loose stone
Sale price¥49,800
Tanzanian Kornerupine 0.500ct Loose Stone
Sale price¥39,800
Tanzanian Sunstone (Illusion Sunstone) 0.823ct Loose Stone
Sale price¥12,800
Brazilian bicolor tourmaline 7.445ct loose stone
Sale price¥69,800
American Red Beryl 0.200ct Loose (Heart Shape) Nikkeikan
Sale price¥35,800
Indian Star Garnet 13.260ct Loose Stone (6 Rows)
Sale price¥5,980
American Red Beryl 0.252ct Loose
Sale price¥39,800
Madagascar Bicolor Sapphire 0.298ct Loose (Padparadscha Color)
Sale price¥35,800
Brazilian Bicolor Tourmaline Cat's Eye 9.5mm/4.730ct Loose Stone
Sale price¥18,800
Russian Demantoid Garnet (Horsetail Recognized) 5.1mm/0.664ct Loose Stone
Sale price¥188,000
Synthetic Black Opal 5.013ct Loose
Sale price¥59,800
6.392ct Bicolor Sphalerite Loose Stone from Spain
Sale price¥69,800
[On sale from 10pm on 5/11] Spanish Sphalerite 6.2mm/1.320ct loose stone
Sale price¥19,800
Congo Andesine 18.643ct Loose Stone Japan-Germany Exchange
Sale price¥69,800
Afghanistan Bicolor Beryl 9.100ct Loose Stone
Sale price¥34,800
Afghanistan Bicolor Beryl 9.490ct Loose Stone
Sale price¥29,800
Black star sapphire 0.930ct loose
Sale price¥6,980
American Benitoite 3.5mm/0.192ct Loose Stone (Contains Minerals)
Sale price¥69,800
Sri Lankan Star Sapphire 7.976ct Loose
Sale price¥98,000
Brazilian alexandrite 0.082ct loose
Sale price¥12,800
Brazilian Morganite 0.633ct loose stone
Sale price¥9,800
Russian Demantoid Garnet 3.0mm/0.194ct Loose Stone
Sale price¥18,800
Brazilian bicolor tourmaline cat's eye 2.640ct loose stone
Sale price¥12,800
Colombian emerald cat's eye 0.108ct loose
Sale price¥8,800
Cassiterite 1.676ct loose stone with certificate
Sale price¥45,800
Cassiterite 1.477ct loose stone (bicolor) with certificate
Sale price¥39,800
Tanzania Bicolor Zoisite 2.110ct Loose Stone
Sale price¥45,800
Australian Boulder Opal 6.160ct Loose
Sale price¥18,800
Australian Boulder Opal 4.980ct Loose
Sale price¥19,800
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.