Custom Cut
Nigerian Morganite 0.397ct loose stone
Sale price¥5,980
Brazilian Fluorite Quartz 4.599ct Loose Stone
Sale price¥19,800
Tanzanite 0.513ct loose stone (sugarloaf cut) from Tanzania
Sale price¥9,800
Myanmar Purple Spinel 0.311ct Loose Stone
Sale price¥8,800
Blue beryl (Macis beryl) 0.172ct loose stone
Sale price¥8,800
Yellow sapphire from Sri Lanka 0.375ct loose
Sale price¥12,800
Synthetic Alexandrite 0.561ct loose stone
Sale price¥12,800
Brazilian Pink Tourmaline 0.772ct Loose Stone
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.297ct Loose
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.300ct Loose
Sale price¥12,800
Mozambique Almandine Garnet 1.359ct Loose Stone
Sale price¥9,800
Mozambique Almandine Garnet 1.237ct Loose Stone
Sale price¥12,800
Tanzania Peristerite 0.461ct loose stone
Sale price¥9,800
Brazilian Alexandrite 0.052ct loose stone
Sale price¥9,800
Tanzanite from Tanzania 0.469ct loose stone
Sale price¥14,800
Tanzanite from Tanzania 0.269ct loose stone
Sale price¥9,800
Sri Lankan Andalusite 0.750ct loose stone
Sale price¥12,800
Oregon Sunstone from the United States 1.455ct loose stone
Sale price¥15,800
Brazilian Swiss Blue Topaz 17.410ct Loose
Sale price¥27,800
Brazilian Swiss Blue Topaz 11.536ct Loose
Sale price¥14,800
Brazilian Swiss Blue Topaz 10.958ct Loose
Sale price¥14,800
Tanzania Peristerite 0.805ct loose stone
Sale price¥6,980
Brazilian Dendritic Agate 2.163ct Loose Stone
Sale price¥8,800
Tanzanian Blue Spinel 0.165ct Loose Stone
Sale price¥8,800
Tanzania Blue Spinel 0.244ct Loose Stone
Sale price¥9,800
Tanzanian grey spinel 0.291ct loose stone
Sale price¥9,800
Tanzania Purple Spinel 0.236ct Loose Stone
Sale price¥9,800
Tanzania Purple Spinel 0.333ct Loose Stone
Sale price¥9,800
Tanzania Purple Spinel 0.356ct Loose Stone
Sale price¥8,800
Tanzania Purple Spinel 0.307ct Loose Stone
Sale price¥9,800
Tanzania Purple Spinel 0.346ct Loose Stone
Sale price¥8,800
Zambian emerald 0.181ct loose stone
Sale price¥8,800
Pakistani Ludwigite in Peridot 0.285ct loose stone
Sale price¥5,980
Madagascar sphene 0.790ct loose stone
Sale price¥9,800
Synthetic Alexandrite 0.514ct loose stone
Sale price¥12,800
Synthetic Alexandrite 0.472ct loose stone
Sale price¥8,800
Synthetic Alexandrite 0.445ct loose stone
Sale price¥8,800
Synthetic Alexandrite 0.411ct loose stone
Sale price¥8,800
Brazilian indigolite tourmaline 1.060ct loose stone
Sale price¥19,800
Brazilian Mica in Quartz (Mica in Quartz) 0.990ct Loose
Sale price¥6,980
Brazilian Mica in Quartz (Mica in Quartz) 0.701ct Loose Stone
Sale price¥6,980
Brazilian Mica in Quartz (Mica in Quartz) 1.009ct Loose Stone
Sale price¥9,800
Brazilian Mica in Quartz (Mica in Quartz) 0.622ct Loose Stone
Sale price¥6,980
Madagascar Green Apatite 0.531ct Loose Stone
Sale price¥6,980
Indian Moss Agate 0.807ct Loose Stone
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.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
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.