Brazilian Dumortierite in Quartz 1.451ct Loose Stone
Sale price¥8,800
Mozambique pink sapphire 0.169ct loose stone
Sale price¥6,980
0.145ct loose pink sapphire from Madagascar
Sale price¥6,980
Blue sapphire 0.295ct loose stone
Sale price¥7,980
0.333ct loose sapphire
Sale price¥8,800
0.266ct loose blue sapphire from Madagascar
Sale price¥8,800
0.170ct loose blue sapphire from Madagascar
Sale price¥8,800
YAG (yttrium aluminum garnet) 1.870ct loose
Sale price¥9,800
Goethite in quartz 1.020ct loose
Sale price¥2,980
![Limited to 7 stones: Brazilian Limonite in Quartz, 1 loose stone (average 6 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_10790d8c-055f-404e-b91b-4dc8a6f1ff16.png?v=1756029326&width=2000)
[12560244] Bicolor Zoisite 0.508ct Loose Stone
Sale price¥7,980
Colombian mint-colored emerald, 4.3mm/0.306ct loose stone
Sale price¥8,800
[12560252] Zambian emerald 0.138ct loose stone
Sale price¥8,800
Malaya garnet 0.972ct loose
Sale price¥9,800
White sapphire 0.464ct loose
Sale price¥9,800
White sapphire 0.364ct loose
Sale price¥9,800
White sapphire 0.212ct loose
Sale price¥6,980
White sapphire 0.338ct loose
Sale price¥9,800
Purple spinel 0.825ct loose stone
Sale price¥5,980
Morganite 0.960ct loose (Asscher cut)
Sale price¥9,800
Diamond 2.810ct rough stone
Sale price¥9,800
Zimbabwean sphene 0.457ct loose stone
Sale price¥8,800
Zimbabwean sphene 0.393ct loose stone
Sale price¥8,800
American Peridot 0.458ct Loose Stone
Sale price¥6,980
Mexican fire opal (faceted cut) 0.167ct loose stone
Sale price¥8,800
Mexican fire opal (faceted cut) 0.198ct loose stone
Sale price¥8,800
Indian Moonstone 6.2mm/0.810ct Loose
Sale price¥8,800
Indian Moonstone 6.2mm/0.775ct Loose Stone
Sale price¥7,980
Ethiopian Opal 6.6mm/0.635ct Loose
Sale price¥9,800
Tibetan Andesine 1.449ct Loose Stone
Sale price¥9,800
Brazilian Aquamarine 0.627ct Loose Stone
Sale price¥6,980
Myanmar Red Spinel 0.174ct Loose Stone
Sale price¥8,800
Australian Prehnite 5.5mm/0.538ct Loose Stone
Sale price¥6,980
Yellow tourmaline 2.290ct loose
Sale price¥8,800
Pink fluorite 6.530ct loose
Sale price¥5,980
Synthetic Moissanite 0.714ct loose stone
Sale price¥6,980
Prehnite 0.818ct loose stone
Sale price¥3,980
Synthetic Moissanite 0.491ct loose stone
Sale price¥4,980
Opal 21.584ct loose Japanese and German
Sale price¥8,800
Bicolor sapphire 0.853ct loose stone
Sale price¥9,800
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.