Brazilian Green Tourmaline 0.935ct Loose Stone
Sale price¥45,800
Brazilian Green Tourmaline 1.193ct Loose Stone
Sale price¥49,800
Brazilian Green Tourmaline 11.453ct Loose Stone
Sale price¥158,000
Brazilian Green Tourmaline 9.495ct Loose
Sale price¥128,000
Brazilian Green Tourmaline 4.374ct Loose Stone
Sale price¥98,000
[Camellia Cut] Brazilian Ametrine 4.293ct [Collaboration] Loose Patch
Sale price¥49,800
Pt950 Brazilian Paraiba Tourmaline Ring (Fluid Setting, Oval Cut)
Sale price¥64,800
Brazilian Paraiba Tourmaline Ring and Half Eternity Ring Set (1.2mm)
Sale price¥188,000
Brazilian parti-color tourmaline 2.702ct loose stone
Sale price¥69,800
Brazilian rhodonite 3.224ct loose stone
Sale price¥98,000
Brazilian Rubellite 3.845ct loose stone
Sale price¥198,000
Brazilian Paraiba Tourmaline 0.211ct loose stone
Sale price¥49,800
Brazilian Rubellite 1.027ct Loose Stone
Sale price¥69,800
Brazilian Rubellite Cat's Eye 1.180ct Loose Stone
Sale price¥29,800
Brazilian Trapiche Amethyst 10.855ct loose stone
Sale price¥6,980
Brazilian bicolor tourmaline 1.248ct loose stone
Sale price¥18,800
Brazilian Dumortierite in Quartz 2.714ct loose stone
Sale price¥24,800
Brazilian Moss Agate 1.065ct Loose Stone
Sale price¥12,800
Brazilian bicolor tourmaline 0.502ct loose stone
Sale price¥12,800
Brazilian Sky Blue Topaz (untreated) 1.376ct loose stone
Sale price¥12,800
Brazilian Sky Blue Topaz (untreated) 2.116ct loose stone
Sale price¥15,800
Brazilian Lepidocrocite in Quartz 1.126ct Loose Stone
Sale price¥12,800
Brazilian Lepidocrocite in Quartz 1.352ct Loose Stone
Sale price¥12,800
Brazilian Paraiba Tourmaline 0.759ct rough stone
Sale price¥45,800
K18PG Brazilian Paraiba Tourmaline 0.286ct Grandidierite Ring GIA
Sale price¥198,000
Brazilian Medusa Quartz (Paraiba Quartz) 1.945ct Loose Stone
Sale price¥24,800
Brazilian Goshenite 0.771ct loose stone
Sale price¥6,980
Brazilian Paraiba Tourmaline 0.200ct loose stone (CuO: 1.7%, MnO: 2.8%)
Sale price¥98,000
Brazilian Dolomite 4.070ct Loose Stone, Japan-Germany Mirror
Sale price¥98,000
Brazilian Paraiba Tourmaline 0.821ct rough stone
Sale price¥39,800
Brazilian Green Tourmaline 26.071ct Loose Stone (Sugarloaf Cut)
Sale price¥298,000
Brazilian bicolor tourmaline 6.928ct loose stone (bicolor blue tourmaline)
Sale price¥298,000
Brazilian rutilated quartz (rutilated quartz) 8.247ct loose stone
Sale price¥14,800
Brazilian Euclase 0.224ct Loose Stone (Bicolor Euclase)
Sale price¥18,800
Brazilian pink tourmaline 1.458ct loose stone
Sale price¥39,800
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.