pear shape
Brazilian pink tourmaline 1.018ct loose stone
Sale price¥29,800
Brazilian Limonite in Topaz 20.777ct loose stone
Sale price¥39,800
Brazilian Limonite in Topaz 8.994ct loose stone
Sale price¥19,800
Silky pink sapphire from Madagascar 0.445ct loose stone
Sale price¥12,800
South African Rhodochrosite 0.457ct loose stone
Sale price¥45,800
Tanzanian Rhodolite Garnet 0.649ct Loose Stone
Sale price¥8,800
Burmese Red Spinel 0.177ct Loose
Sale price¥9,800
Madagascar pink sapphire 0.527ct loose stone
Sale price¥18,800
Madagascar pink sapphire 0.335ct loose stone
Sale price¥14,800
Madagascar Purple Sapphire 0.429ct Loose
Sale price¥12,800
Tibetan bicolor andesine 1.431ct loose stone
Sale price¥12,800
Brazilian bicolor tourmaline 0.914ct loose stone
Sale price¥12,800
Myanmar Ruby 0.283ct Loose
Sale price¥29,800
Madagascar Apatite 1.038ct Loose
Sale price¥12,800
Madagascar Pink Tourmaline 0.543ct Loose Stone
Sale price¥14,800
Brazilian Morganite 1.296ct loose stone
Sale price¥8,800
Brazilian Rubellite (Red Tourmaline) 3.844ct Loose Stone
Sale price¥128,000
Tanzanian Cobalt Spinel (Blue Spinel) 0.118ct Loose Stone Japan-Germany
Sale price¥29,800
Mozambique Rubellite 1.706ct Loose Stone
Sale price¥39,800
Brazilian Bicolor Pink Euclase 0.236ct Loose Stone, Japan-Germany
Sale price¥128,000
Bicolor Benitoite 0.601ct Loose Japanese-German Edition
Sale price¥458,000
Indian Rainbow Quartz (Iridescent Quartz) 0.940ct Loose Stone
Sale price¥158,000
Colombian pyrite-mica emerald 0.739ct loose stone
Sale price¥36,800
Colombian pyrite-mica emerald 0.628ct loose stone
Sale price¥35,800
Brazilian Paraiba Tourmaline 0.230ct Loose GIA (CuO: 0.9%, MnO: 1.1%)
Sale price¥158,000
Zimbabwean Apatite (UV type) 0.585ct loose stone
Sale price¥12,800
Zimbabwean Apatite (UV type) 1.393ct loose stone
Sale price¥29,800
Brazilian Morganite 4.720ct loose stone
Sale price¥98,000
Montana Sapphire 0.331ct Loose (Bi-Color Sapphire)
Sale price¥8,800
Zimbabwean Blue Apatite (UV Type) 1.019ct Loose
Sale price¥14,800
Bicolor Euclase from Zimbabwe 0.033ct loose
Sale price¥28,800
Pakistani Lazurite (Azurite) 0.305ct Loose Stone
Sale price¥49,800
Paraiba Tourmaline from Brazil 0.067 ct loose (CuO: 1.4%, MnO: 2.4%)
Sale price¥45,800
Tanzania Bicolor Zoisite 0.397ct Loose Stone
Sale price¥8,800
Brazilian bicolor tourmaline 6.928ct loose stone (bicolor blue tourmaline)
Sale price¥298,000
Zimbabwean Blue Apatite (UV type) 1.056ct loose stone
Sale price¥15,800
Tanzanite from Tanzania 0.491ct loose stone
Sale price¥8,800
Tanzanite from Tanzania 0.466ct loose stone
Sale price¥8,800
American Bicolor Benitoite 0.358ct Loose Stone by Nikkei
Sale price¥298,000
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.