![[E33 Shinjuku] Tanzanite 4.8mm/0.494ct loose stone](http://store.karatz.jp/cdn/shop/files/P4116222_4bff6f21-ea3a-4589-8e07-34b7870e9796.jpg?v=1712871301&width=2960)
[E33 Shinjuku] Tanzanite 4.8mm/0.494ct loose stone
Sale price¥15,800
Diamond (cabochon cut) 0.233ct loose
Sale price¥39,800
Diamond 3.4mm/0.144ct loose stone (I, VS1, Good)
Sale price¥16,800
Diamond (cabochon cut) 0.366ct loose
Sale price¥59,800
Diamond 0.120ct loose (G, VS2, Excellent H&C)
Sale price¥28,800
Diamond 3.0mm/0.123ct loose stone (D, VS2, octagonal cut)
Sale price¥28,800
Diamond 0.171ct loose stone (E, VS2, radiant cut)
Sale price¥35,800
Salt and pepper diamond 0.446ct loose
Sale price¥39,800
White sapphire 0.338ct loose
Sale price¥9,800
Sri Lankan Blue Spinel 0.519ct Loose Stone
Sale price¥12,800
Sri Lankan Blue Sapphire (Ice Blue) 0.271ct Loose (Princess Cut)
Sale price¥12,800
Bicolor sapphire 0.856ct loose
Sale price¥18,800
Sri Lankan Purple Spinel 1.638ct Loose Stone, Japan-Germany Exchange
Sale price¥69,800
Sri Lankan star sapphire 1.773ct loose
Sale price¥9,800
[E33 Shinjuku] Sri Lankan Star Sapphire 1.093ct Loose
Sale price¥8,800
Sri Lankan Star Sapphire 1.237ct Loose
Sale price¥15,800
Sri Lankan Star Sapphire 0.899ct Loose
Sale price¥9,800
Sillimanite from Sri Lanka 1.586ct loose stone
Sale price¥8,800
Sri Lankan Cobalt Spinel 0.676ct Loose Stone (Blue Spinel) Nikkei
Sale price¥79,800
Sri Lankan cobalt spinel 0.281ct loose stone
Sale price¥59,800
Chrysoberyl cat's eye from Sri Lanka 5.176ct loose
Sale price¥198,000
Chrysoberyl cat's eye from Sri Lanka 0.340ct loose
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.300ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.267ct Loose
Sale price¥14,800
2.055ct Bicolor Sphalerite from Spain
Sale price¥39,800
Spanish bicolor sphalerite 1.686ct loose stone
Sale price¥29,800
Spanish bicolor sphalerite 0.765ct loose stone
Sale price¥12,800
[E33 Shinjuku] Spanish Sphalerite 6.5mm/1.375ct Loose Stone
Sale price¥19,800
[E33 Shinjuku] Spanish Sphalerite 5.6mm/0.841ct Loose Stone
Sale price¥12,800
Spanish Sphalerite 1.609ct loose stone
Sale price¥19,800
Blue spinel 0.451ct loose stone
Sale price¥18,800
Sri Lankan Star Ruby 0.564ct Loose Stone with Certificate
Sale price¥24,800
Star Ruby 0.461ct Loose Stone with Certificate
Sale price¥18,800
Star spinel 1.210ct loose
Sale price¥15,800
Star garnet 14.400ct loose
Sale price¥11,000
Zimbabwean Euclase 1.8mm/0.021ct Loose Stone
Sale price¥15,800
Zimbabwean Euclase 0.063ct loose stone
Sale price¥39,800
Zimbabwe Bicolor Euclase 2.6mm/0.087ct Loose Stone
Sale price¥55,800
Zimbabwe bicolor euclase 0.192ct loose stone
Sale price¥39,800
Zimbabwe bicolor euclase 0.110ct loose stone
Sale price¥49,800
Bicolor Euclase from Zimbabwe 0.084ct loose
Sale price¥98,000
Silky diamond 2.7mm/0.086ct loose
Sale price¥14,800
Silky diamond 2.7mm/0.086ct loose
Sale price¥14,800
Sunstone (Illusion Sunstone) 1.934ct Loose
Sale price¥8,800
[E33 Shinjuku] Safarin 0.466ct loose stone with appraisal certificate
Sale price¥37,800
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.