Sri Lankan Yellow Sapphire 0.297ct Loose
Sale price¥12,800
1.547ct Synthetic Sapphire Loose Stone (Synthetic Blue Sapphire)
Sale price¥9,800
Synthetic sapphire 0.879ct loose stone (synthetic blue sapphire)
Sale price¥14,800
Brazilian Rose Quartz 1.793ct Loose Stone
Sale price¥9,800
Brazilian rose quartz 2.167ct loose stone
Sale price¥9,800
Colombian emerald rough stone 7.924ct
Sale price¥9,800
![[#202607 Akihabara Pop-up Store Takeout] Myanmar Spessartite Garnet 0.542ct Loose Stone with Certificate](http://store.karatz.jp/cdn/shop/files/PC031825_fb076ca1-bb64-45c8-92b2-b3586aaf4973.jpg?v=1766184429&width=3153)
![[On Sale at 10 PM on December 5th] YAG (Yttrium Aluminum Garnet) 6.5mm/1.548ct Loose Stone](http://store.karatz.jp/cdn/shop/files/yag-65mm1548ct-257679.jpg?v=1764892582&width=1200)
[Option] Milling
Sale price¥6,600
Cornell pin from Tanzania 0.523ct loose
Sale price¥7,980
[Rouge cut] Almandine garnet 2.090ct loose
Sale price¥8,800
Blue zircon 0.397ct loose stone
Sale price¥6,980
Pink sapphire 0.225ct loose
Sale price¥6,980
Oregon Sunstone 0.976ct loose
Sale price¥18,800
YAG (Yttrium Aluminum Garnet) 7mm/1.775ct Loose Stone
Sale price¥9,800
Dioptase from Namibia 0.229ct loose Japanese-German book
Sale price¥69,800
Bicolor Andesine 6mm/0.756ct loose
Sale price¥12,800
Australian boulder opal 3.695ct loose
Sale price¥14,800
Australian boulder opal 2.470ct loose
Sale price¥7,980
Dioptase from Namibia 3.3mm/0.162ct loose Japanese-German edition
Sale price¥79,800
Pink tourmaline 0.516ct loose
Sale price¥5,980
Sri Lankan star sapphire 2.094ct loose
Sale price¥12,800
American red beryl 2.9mm/0.094ct loose
Sale price¥29,800
Oregon Sunstone from the United States, 4.678ct loose stone
Sale price¥69,800
Bicolor Andesine 6mm/0.852ct loose (color shift)
Sale price¥12,800
Bicolor Andesine 6mm/0.824ct loose (color shift)
Sale price¥12,800
Bicolor Andesine 6mm/0.699ct loose (color shift)
Sale price¥12,800
Bicolor Andesine 6mm/0.783ct loose (color shift)
Sale price¥12,800
Sri Lankan star sapphire 1.487ct loose
Sale price¥8,800
Bicolor tanzanite 0.479ct loose
Sale price¥18,800
Hemimorphite 34.490ct loose
Sale price¥55,800
Colombian pyrite in emerald 4.592ct loose
Sale price¥110,000
Unheated silky pink sapphire from Vietnam 0.426ct loose
Sale price¥9,800
Baddeleyite from Myanmar 0.279ct Ruth Japanese German edition
Sale price¥15,800
Montana Sapphire 3mm/0.155ct loose
Sale price¥18,800
[12545123 published] Yellow Beryl 0.696ct loose
Sale price¥3,980
Felspar 2.993ct loose from Sri Lanka
Sale price¥6,980
Pink zoisite from Tanzania 0.536ct loose Japanese German edition
Sale price¥39,800
Paraiba tourmaline from Brazil 0.144ct loose (CuO:0.9%,MnO:2.8%)
Sale price¥55,800
Greenland Ruby 0.253ct Loose Stone with Certificate
Sale price¥49,800
Greenland Ruby 0.266ct Loose Stone with Certificate
Sale price¥22,800
Greenland sapphire 0.133ct loose stone with certificate
Sale price¥14,800
Tanzanian Almandine Garnet 0.750ct Loose Stone
Sale price¥9,800
Tanzanian Almandine Garnet 0.885ct Loose Stone
Sale price¥8,800
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.