Tanzanian Kornerupine 0.416ct loose stone
Sale price¥8,800
Violet Sapphire 4.3mm/0.328ct Loose
Sale price¥15,800
Pink sapphire 4.5mm/0.390ct loose stone
Sale price¥15,800
Manganotantalite 0.736ct loose stone from Japan and Germany
Sale price¥158,000
Colombian Mica in Emerald 4.6mm/0.210ct Loose Stone
Sale price¥12,800
Tanzanite from Tanzania 0.262ct loose stone
Sale price¥8,800
Canary Yellow Tourmaline from Mozambique 0.223ct loose stone
Sale price¥8,800
Brazilian Euclase 0.224ct Loose Stone (Bicolor Euclase)
Sale price¥18,800
Synthetic Alexandrite 0.287ct loose stone
Sale price¥8,800
Zimbabwe Bicolor Euclase 0.152ct Loose Stone by Nikkei
Sale price¥158,000
Vietnam Aquamarine 5.0mm/0.739ct Loose Stone
Sale price¥9,800
American Benitoite 4.8mm/0.396ct Loose Stone by Nikkei
Sale price¥298,000
Tanzania Green Apatite 0.246ct Loose Stone
Sale price¥8,800
Paraiba tourmaline from Brazil 0.154ct loose
Sale price¥29,800
Brazilian Euclase 0.289ct loose stone
Sale price¥12,800
Synthetic Alexandrite 0.287ct loose stone
Sale price¥8,800
Synthetic Alexandrite 0.471ct loose stone
Sale price¥14,800
Sri Lankan Yellow Sapphire 0.349ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.406ct Loose
Sale price¥9,800
Tanzania Bicolor Zoisite 4.6mm/0.489ct Loose Stone
Sale price¥12,800
Tanzania Bicolor Zoisite 4.8mm/0.540ct Loose Stone
Sale price¥12,800
Tanzanite from Tanzania 0.497ct loose stone
Sale price¥12,800
Tanzania Bicolor Zoisite 4.7mm/0.486ct Loose Stone
Sale price¥12,800
Tanzanite from Tanzania 0.245ct loose stone
Sale price¥9,800
Tanzania Bicolor Zoisite 0.295ct Loose Stone
Sale price¥8,800
Blue sapphire 0.287ct loose
Sale price¥12,800
Ethiopian Opal 4.9mm/0.625ct Loose (Sphere)
Sale price¥5,980
YAG (Yttrium Aluminum Garnet) 4.9mm/0.574ct loose stone
Sale price¥8,800
YAG (Yttrium Aluminum Garnet) 4.1mm/0.346ct Loose Stone (Rose Cut)
Sale price¥8,800
Tanzanite from Tanzania 0.272ct loose stone
Sale price¥8,800
Tanzanian green sapphire 0.303ct loose stone
Sale price¥9,800
Pakistani Oil in Quartz 0.438ct Loose Stone
Sale price¥9,800
Brazilian Pink Tourmaline 0.470ct Loose Stone
Sale price¥12,800
Brazilian Blue Tourmaline 0.196ct Loose
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.312ct Loose
Sale price¥8,800
Paraiba Tourmaline from Mozambique 0.153ct loose stone
Sale price¥9,800
Paraiba Tourmaline from Mozambique 0.154ct loose stone
Sale price¥9,800
Color change sapphire 0.473ct loose stone (purple sapphire)
Sale price¥29,800
Madagascar Yellow Sapphire 4.4mm/0.417ct Loose
Sale price¥15,800
American red beryl 0.160ct loose
Sale price¥98,000
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.