Loose 0.498ct 5.0mm Oregon Sunstone from the USA
Sale price¥15,800
Tanzanite from Tanzania 0.889ct loose stone
Sale price¥18,800
Tanzanian Rhodolite Garnet 9.2mm/4.174ct Loose Stone
Sale price¥29,800
Tanzanian Rhodolite Garnet 9.3mm/4.393ct Loose Stone
Sale price¥29,800
Tanzanian Zoisite 5.5mm/0.689ct Loose
Sale price¥18,800
Tanzanian Lavender Tanzanite 0.391ct Loose Stone
Sale price¥12,800
Brazilian Medusa Quartz (Paraiba Quartz) 3.9mm/0.237ct Loose
Sale price¥15,800
0.296ct Loose Tanzanite from Tanzania
Sale price¥12,800
Afghan Diaspore 0.239ct Loose
Sale price¥15,800
Colombian emerald 3.1mm/0.093ct loose stone
Sale price¥22,800
Green tourmaline 1.258ct loose
Sale price¥29,800
Johachidolite from Myanmar 0.332ct loose
Sale price¥29,800
Mexican fire agate 19.730ct loose
Sale price¥19,800
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
Tanzanian Kornerupine 0.264ct loose stone
Sale price¥29,800
Tanzanian Kornerupine 0.277ct loose stone
Sale price¥29,800
Tanzanian Kornerupine 0.272ct loose stone
Sale price¥18,800
Alexandrite cat's eye from Sri Lanka 0.947ct loose
Sale price¥18,800
Paraiba tourmaline from Mozambique 1.057ct loose
Sale price¥29,800
Pyrite in quartz 15.971ct loose
Sale price¥12,800
South African yellow diamond (makeable) 0.159ct rough stone
Sale price¥12,800
Bekily Blue Garnet from Madagascar (color change garnet) 0.297ct loose
Sale price¥19,800
U.S. Oregon Sunstone 1.590ct Loose Stone
Sale price¥15,800
Oregon Sunstone from the USA, 2.128 ct loose stone
Sale price¥22,800
1.519ct loose Oregon sunstone from the United States
Sale price¥15,800
Canadian rough diamond (sawable) 0.096ct rough with trigon
Sale price¥29,800
Tibetan bicolor andesine 1.972ct loose
Sale price¥19,800
Benitoite 0.091ct loose (emerald cut)
Sale price¥25,800
Rhodochrosite 0.331ct loose from Detroit City
Sale price¥25,800
Brazilian indicolite tourmaline 0.691ct loose stone
Sale price¥19,800
Brazilian indicolite tourmaline 0.750ct loose stone
Sale price¥15,800
Mexican cantera opal 17.528ct loose
Sale price¥29,800
Tanzanian Green Zoisite 0.354ct Loose Stone
Sale price¥12,800
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 Mandarin Garnet 0.352ct Loose Stone
Sale price¥18,800
Tanzanian Canary Yellow Chrysoberyl 0.139ct Loose Stone
Sale price¥16,800
Mexican Fire Opal 0.191ct Loose (Faceted Cut)
Sale price¥12,800
Uncut Canadian diamond (sawable) 0.103ct
Sale price¥29,800
American benitoite 0.076ct loose
Sale price¥19,800
American benitoite 0.074ct loose
Sale price¥18,800
Pakistani oil-in quartz 0.535ct loose
Sale price¥14,800
American Benitoite 0.104ct Loose Stone (Emerald Cut)
Sale price¥29,800
American Benitoite 2.5mm/0.065ct Loose Stone
Sale price¥17,800
American benitoite 0.069ct 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.