0.145ct loose pink sapphire from Madagascar
Sale price¥6,980
Pink sapphire 0.179ct loose stone
Sale price¥6,980
Pink sapphire 0.115ct loose stone
Sale price¥6,980
0.417ct loose blue sapphire from Madagascar
Sale price¥9,800
0.374ct loose blue sapphire from Madagascar
Sale price¥9,800
0.333ct loose sapphire
Sale price¥8,800
0.170ct loose blue sapphire from Madagascar
Sale price¥8,800
0.162ct loose blue sapphire from Madagascar
Sale price¥9,800
African bicolor tourmaline 0.950ct loose stone (phantom cut)
Sale price¥9,800
YAG (yttrium aluminum garnet) 1.870ct loose
Sale price¥9,800
Bicolor tourmaline 1.050ct loose
Sale price¥8,800
Bicolor tourmaline 0.780ct loose
Sale price¥9,800
Purple sapphire 0.313ct loose
Sale price¥6,980
Afghanite 0.496ct loose Japanese-German book
Sale price¥9,800
Pink tourmaline cat's eye 3.800ct loose
Sale price¥8,800
![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)
Colombian mint-colored emerald, 4.3mm/0.306ct loose stone
Sale price¥8,800
Brazilian mint-colored emerald, 5.5mm/0.638ct loose stone
Sale price¥8,800
[12560252] Zambian emerald 0.138ct loose stone
Sale price¥8,800
Bicolor sapphire 0.334ct loose
Sale price¥9,800
Bicolor sapphire 0.149ct loose
Sale price¥6,980
Bicolor sapphire 0.323ct loose
Sale price¥9,800
California Axinite 1.150ct Loose Stone (Phantom Cut)
Sale price¥8,800
Afghanite 0.210ct loose
Sale price¥6,980
Diamond 0.054ct loose (VS class equivalent, emerald cut)
Sale price¥8,800
Colombian emerald cat's eye 0.112ct loose
Sale price¥9,800
Colombian emerald cat's eye 0.094ct loose
Sale price¥8,800
White sapphire 0.464ct loose
Sale price¥9,800
Yellow sapphire 0.385ct loose
Sale price¥9,800
White sapphire 0.364ct loose
Sale price¥9,800
White sapphire 0.271ct loose
Sale price¥7,980
White sapphire 0.212ct loose
Sale price¥6,980
White sapphire 4.5mm/0.462ct loose
Sale price¥9,800
Sweet Home rhodochrosite 2 stone set 2.6mm/0.228ct loose
Sale price¥9,800
Violet spinel 0.514ct loose stone
Sale price¥6,980
Tourmaline cat's eye 4.790ct loose
Sale price¥6,980
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
Zimbabwean sphene 4.1mm/0.294ct 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.
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.