South African gray diamond (makeable) 0.169ct rough stone
Sale price¥14,800
South African yellow diamond (makeable) 0.202ct rough stone
Sale price¥15,800
American benitoite 0.069ct loose
Sale price¥19,800
Paraiba tourmaline from Brazil 0.132ct loose (CuO:2.1%.MnO:2.2%)
Sale price¥188,000
Tibetan bicolor andesine 1.818ct loose
Sale price¥18,800
Bicolor Benitoite 0.130ct loose (emerald cut)
Sale price¥65,800
Pakistani oil-in quartz 0.535ct loose
Sale price¥14,800
American benitoite 0.076ct loose
Sale price¥19,800
American benitoite 0.074ct loose
Sale price¥18,800
American benitoite 0.076ct loose
Sale price¥19,800
Uncut Canadian diamond (sawable) 0.103ct
Sale price¥29,800
0.939 ct Loose Imperial Topaz from Brazil with Certificate
Sale price¥29,800
Mexican Fire Opal 0.191ct Loose (Faceted Cut)
Sale price¥12,800
Tanzanian Canary Yellow Chrysoberyl 0.139ct Loose Stone
Sale price¥16,800
Tanzanian Mandarin Garnet 0.352ct Loose Stone
Sale price¥18,800
American Peridot 0.969ct Loose Stone
Sale price¥25,800
USA origin Peridot, 0.496 ct, 2-stone matched pair, loose
Sale price¥12,800
Sri Lankan green zircon 0.312ct loose stone
Sale price¥9,800
Blue Sapphire 5.0mm/0.552ct Loose Stone
Sale price¥18,800
Zimbabwean sphene 7.0mm/1.661ct loose stone
Sale price¥59,800
Unheated Vietnamese Silky Pink Sapphire 0.291ct Loose Stone
Sale price¥12,800
Madagascar Purple Sapphire 4.2mm/0.418ct Loose
Sale price¥19,800
Green zoisite from Tanzania, 0.262 ct loose
Sale price¥9,800
Tanzanian Green Zoisite 0.354ct Loose Stone
Sale price¥12,800
Mexican cantera opal 17.528ct loose
Sale price¥29,800
Ubaite/dravite tourmaline 3.157ct rough stone
Sale price¥6,980
Oil-in-quartz 22.073ct rough stone from Madagascar
Sale price¥4,980
Chrysoberyl cat's eye from Sri Lanka 0.340ct loose
Sale price¥9,800
Silky diamond 2.8mm/0.097ct loose
Sale price¥9,800
Silky diamond 2.7mm/0.086ct loose
Sale price¥9,800
Rhodochrosite 0.331ct loose from Detroit City
Sale price¥25,800
Brazilian unheated particolor Paraiba tourmaline 0.84ct loose GIA
Sale price¥2,580,000
Indian bag site 2.010ct loose
Sale price¥6,980
Indian bag site 2.206ct loose
Sale price¥7,980
[Posted 12548198] Indian bag site 1.890ct loose
Sale price¥7,980
Indian bag site 1.513ct loose
Sale price¥7,980
Indian bag site 2.218ct loose
Sale price¥7,980
Indian bag site 1.763ct loose
Sale price¥7,980
Myanmar orange jade (jade) 0.531ct loose
Sale price¥4,980
Myanmar orange jade (jade) 0.584ct loose
Sale price¥4,980
Rubellite 7.068ct loose Japanese-German book
Sale price¥498,000
Bulgarian green sphalerite 9.2mm/3.608ct loose Japanese-German edition
Sale price¥398,000
Benitoite 0.091ct loose (emerald cut)
Sale price¥25,800
Bicolor Euclase from Zimbabwe 0.375ct Ruth Japanese-German Edition
Sale price¥98,000
Unheated silky pink sapphire from Vietnam 0.202ct loose
Sale price¥6,980
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.