[Colorful] K18WG Blood Coral and Diamond (0.19ct) Brooch with certificate
Sale price¥398,000
[Calafri] K18WG Tsavorite 0.57ct Ring with Certificate
Sale price¥89,800
0.354ct Unheated Star Sapphire Loose Stone from Sri Lanka
Sale price¥6,980
Loose 0.485 ct Sri Lankan Blue Sapphire
Sale price¥9,800
0.329ct Loose Blue Sapphire from Sri Lanka
Sale price¥15,800
Brazilian Morganite 0.460ct Loose
Sale price¥6,980
0.455ct Loose Madagascar Blue Sapphire
Sale price¥25,800
Brazilian Aventurine Aquamarine 4.2mm/0.239ct Loose Stone
Sale price¥8,800
Tanzanian Rhodolite Garnet 0.609ct Loose Gemstone
Sale price¥8,800
Madagascar Blue Sapphire 0.413ct Loose Stone
Sale price¥15,800
Tanzanian Zoisite 1.290ct Loose Stone with Appraisal
Sale price¥19,800
0.442ct Loose Blue Sapphire from Sri Lanka
Sale price¥22,800
Bicolor Euclase from Zimbabwe 0.254ct Loose Gemstone
Sale price¥55,800
Zimbabwean Bicolor Euclase 3.0mm/0.106ct Loose Gemstone
Sale price¥23,800
0.078 ct Zimbabwean Bi-color Euclase Loose Gemstone
Sale price¥17,800
0.176 ct Zimbabwean Bicolor Euclase Loose Gemstone
Sale price¥38,800
Zimbabwe Euclase 3.0mm/0.131ct Loose
Sale price¥28,800
Madagascar Grandidierite 0.132ct Loose Stone
Sale price¥26,800
Grandidierite from Madagascar 0.115ct loose stone
Sale price¥24,800
0.092 ct Loose Grandidierite from Madagascar
Sale price¥18,800
Madagascar Grandidierite 0.086ct Loose
Sale price¥17,800
Peruvian Bicolor Blue Opal 4.379 ct Loose Gemstone
Sale price¥6,980
Unheated Brazilian Paraiba tourmaline 0.110ct loose AIGS
Sale price¥258,000
Madagascar Apatite 19.863ct Loose
Sale price¥128,000
Pink Diamond 2.1mm/0.034ct Loose (FANCY PURPLE PINK, I-1)
Sale price¥34,800
Cambodian Blue Zircon 1.606ct Loose
Sale price¥18,800
Star Sapphire from Sri Lanka, 4.758 ct Loose Stone (Color Shift)
Sale price¥158,000
[Dandelion Cut] 7mm/1.412ct Sphene Loose Stone from Madagascar
Sale price¥59,800
3.020 ct Pakistani emerald in quartz loose gemstone
Sale price¥18,800
Diamond 0.402ct Loose (H, VS2, Flanders Cut)
Sale price¥79,800
Pt950 Tanzania Lavender Tanzanite 1.51ct Ring
Sale price¥98,000
Pink Diamond (Treated) 0.095ct Loose (FANCY VIVID PURPLISH PINK, SI1)
Sale price¥26,800
K18YG Tanzanian Tanzanite 0.344ct Pendant Top
Sale price¥39,800
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
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.