Loose Tanzanian spessartine garnet, 0.417ct
Sale price¥12,800
Tanzanian Spessartine Garnet 0.359ct Loose Stone
Sale price¥9,800
Afghanite 0.447ct loose stone from Afghanistan, Japan-Germany
Sale price¥5,980
Ceylon Blue Sapphire (Ice Blue) 0.289ct Loose
Sale price¥9,800
Madagascar Blue Sapphire 0.413ct Loose Stone
Sale price¥15,800
Zimbabwean Bicolor Euclase 3.0mm/0.106ct Loose Gemstone
Sale price¥23,800
Unheated Brazilian Paraiba tourmaline 0.110ct loose AIGS
Sale price¥258,000
Pink Diamond 2.1mm/0.034ct Loose (FANCY PURPLE PINK, I-1)
Sale price¥34,800
Pink Diamond (Treated) 0.095ct Loose (FANCY VIVID PURPLISH PINK, SI1)
Sale price¥26,800
0.079ct Loose Brazilian Paraiba Tourmaline (CuO: 1.6% MnO: 2.8%)
Sale price¥29,800
Paraiba Tourmaline Loose Stone from Brazil 0.068ct (CuO: 1.1% MnO: 0.1%)
Sale price¥45,800
Brazilian Paraiba Tourmaline 0.052ct Loose Stone (CuO:1.2% MnO:1.2%)
Sale price¥35,800
Brazilian Paraiba Tourmaline 0.052ct Loose Stone (CuO:1.4% MnO:1.1%)
Sale price¥35,800
Brazilian Paraiba Tourmaline 0.051ct Loose Stone (CuO:1.1% MnO:0.6%)
Sale price¥35,800
Brazilian Paraiba Tourmaline 0.048ct (CuO:1.5% MnO:1.0%)
Sale price¥35,800
Indonesian Parasitic Peridot 0.276ct Loose Stone
Sale price¥98,000
Colombian emerald with pyrite 0.248ct rough stone
Sale price¥12,800
Brazilian Dumortierite in Quartz 0.387ct loose stone
Sale price¥3,980
Madagascar Pezzottaite 0.229ct loose stone
Sale price¥15,800
Bicolor Grossular Garnet from Kenya (Bicolor Tsavorite) 0.496ct Loose
Sale price¥14,800
Untreated Brazilian green tourmaline, 0.456 ct, loose (teal color)
Sale price¥13,800
[12560352] Zimbabwean Euclase 0.397ct Loose Stone
Sale price¥98,000
Russian Demantoid Garnet (Horsetail) 2.9mm/0.194ct Loose Stone
Sale price¥22,800
Green tourmaline 0.457ct loose stone
Sale price¥8,800
[12551250] Brazilian oil-free emerald 0.120ct loose stone
Sale price¥110,000
Oregon Sunstone 0.217ct loose
Sale price¥4,980
Oregon Sunstone 0.226ct loose
Sale price¥4,980
Uncut Zimbabwe Euclase 0.443ct
Sale price¥29,800
0.113 ct Zimbabwe Euclase loose gemstone
Sale price¥45,800
Tanzanian Kornerupine 0.198ct loose stone
Sale price¥18,800
Aquamarine 0.398ct loose stone
Sale price¥7,980
Brazilian Medusa Quartz (Paraiba Quartz) 0.400ct Loose
Sale price¥6,980
Pink spinel 0.365ct loose stone
Sale price¥9,800
Bicolor Zoisite 0.203ct loose stone
Sale price¥8,800
Tanzanite 0.349ct loose
Sale price¥8,800
Bicolor Zoisite 0.402ct loose stone
Sale price¥8,800
Bicolor Zoisite 0.302ct loose stone
Sale price¥8,800
Bicolor Zoisite 0.273ct loose stone
Sale price¥7,980
Tanzanite 0.328ct loose stone
Sale price¥8,800
Bicolor Zoisite 0.229ct loose stone
Sale price¥6,980
Bicolor Zoisite 0.392ct loose stone
Sale price¥7,980
Green tourmaline 0.090ct loose stone
Sale price¥5,980
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.