【8/29 22時販売】ロシア産デマントイドガーネット（ホーステール認む） 2.7mm/0.093ctルース
Sale price¥14,800
Russian rough diamond (sawable) 0.101ct loose
Sale price¥22,800
【12563130 Posted】 Nigerian CobaltGahnite 0.176ct Loose
Sale price¥24,800
[Lottery Sale 0628_08] Unheated Kashmir Sapphire 0.160ct Loose GIA
Sale price¥98,000
Loose White Diamond 0.108ct (FANCY WHITE, I-1)
Sale price¥55,800
Brazilian Paraiba Tourmaline 0.068ct loose stone
Sale price¥61,800
Pink Diamond 2.2mm/0.044ct Loose (FANCY LIGHT PURPLE PINK, SI1)
Sale price¥39,800
Pink Diamond 0.073ct Loose (FANCY LIGHT PURPLE PINK, SI2)
Sale price¥39,800
Colombia Emerald Cat's Eye 0.060ct Loose, Hōki Kyō
Sale price¥15,800
[Listed as 12563467] Malawi sapphire 0.128ct loose stone
Sale price¥18,800
Tanzanian Ayana spinel (hot pink spinel) 3.0mm/0.107ct loose
Sale price¥18,800
Pink Diamond 0.075ct Loose (FANCY PURPLE PINK, SI1)
Sale price¥79,800
[Listed as 12563264] Rough Russian Diamond (Sawable) 0.124ct
Sale price¥39,800
[12563374 Posted] Bicolor Euclase from Zimbabwe, 0.055ct Loose Stone
Sale price¥14,800
[Published 12562264] Brazilian Lazulite 0.048ct Loose
Sale price¥36,800
Diamond 3.0mm/0.100ct Loose (E, VVS-2, VeryGood)
Sale price¥22,800
Green Diamond 0.100ct Loose (VERY LIGHT GREEN, SI-1, Old Cut)
Sale price¥39,800
Brazilian Paraiba Tourmaline 2.9mm/0.090ct Loose (CuO:1.7% MnO:1.4%)
Sale price¥69,800
Paraiba tourmaline from Brazil 0.086ct loose
Sale price¥79,800
Russian rough diamond (sawable) 0.088ct loose
Sale price¥19,800
Russian Diamond Rough (Sawable) 0.103ct Loose (Trigon)
Sale price¥25,800
Brazilian Lazulite 0.067ct Loose Gemstone with Certificate
Sale price¥49,800
Brazilian Lazulite 0.061ct Loose Gemstone with Certificate
Sale price¥45,800
[Updated 12552163] Benitoite 0.099ct loose stone
Sale price¥29,800
Zimbabwe Euclase 0.067ct Loose Gemological Report
Sale price¥15,800
Rough diamond (sawable) from Russia, 0.148ct rough diamond (trigon)
Sale price¥49,800
Brazilian Paraiba Tourmaline 0.052ct Loose Stone (CuO:2.0%, MnO:2.2%)
Sale price¥35,800
0.108ct Loose Leuco Garnet from Myanmar, with identification report
Sale price¥22,800
Rough diamond from Botswana (sawable) 0.118ct rough (trigon)
Sale price¥29,800
Botswana rough diamond (sawable) 0.090ct rough (trigon)
Sale price¥22,800
Rough diamond from Botswana (sawable) 0.087ct (trigon)
Sale price¥21,800
Nigerian cobalt-bearing gahnite, 0.122 ct, loose, with lab report
Sale price¥18,800
South African diamond rough (sawable) 0.110ct rough
Sale price¥22,800
South African diamond rough (sawable) 0.085ct rough
Sale price¥15,800
0.048ct Loose Purple Diamond (FANCY VIVID PINK PURPLE, SI-1) CGL
Sale price¥198,000
Loose 0.061ct Brazilian Paraiba Tourmaline (CuO: 1.7%, MnO: 2.2%)
Sale price¥49,800
Paraiba tourmaline from Brazil 0.018ct loose
Sale price¥12,800
Unheated Mozambique Ruby 2.7mm/0.135ct Loose
Sale price¥19,800
Tanzanian Pink Zoisite 0.190ct Loose Stone with Gemstone Report
Sale price¥79,800
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.