[Koshu Precious Stones plusthree] Citrine 5.121ct Loose
Sale price¥39,800
![[Koshu Precious Stones Plusthree] Tibetan Andesine 7.873ct [Collaboration] Loose Stone (Color Change Andesine)](http://store.karatz.jp/cdn/shop/files/collage_4f5b4421-c714-46aa-aee2-16359b25e490.png?v=1714140601&width=2000)
Unheated Mozambique Ruby 2.7mm/0.135ct Loose
Sale price¥19,800
Afghanite from Afghanistan 0.617ct loose stone
Sale price¥69,800
Colombian pyrite-mica emerald 0.815ct loose stone
Sale price¥39,800
Chrysoberyl cat's eye 1.088ct loose stone
Sale price¥8,800
Colombian Trapiche Emerald 0.317ct Rough Stone
Sale price¥19,800
Colombian Trapiche emerald 0.424ct rough stone
Sale price¥39,800
Colombian Trapiche emerald 0.611ct rough stone
Sale price¥69,800
Colombian Trapiche emerald 0.418ct rough stone
Sale price¥39,800
Benitoite 1.8mm/0.025ct loose stone (colorless benitoite)
Sale price¥12,800
Benitoite 1.8mm/0.025ct loose stone (colorless benitoite)
Sale price¥15,800
Benitoite 1.8mm/0.028ct loose stone (colorless benitoite)
Sale price¥14,800
Cristobalite in Quartz 2.417ct Loose Stone
Sale price¥12,800
Cristobalite in Quartz 1.660ct Loose
Sale price¥9,800
Pakistani Oil in Quartz 1.337ct Loose Stone (Moving Bubbles)
Sale price¥19,800
Brazilian Aquamarine 0.874ct Loose Stone (Phantom Cut)
Sale price¥8,800
Benitoite 0.154ct loose
Sale price¥118,000
Benitoite 0.352ct loose
Sale price¥298,000
Rainbow Quartz (Iridescent Quartz) 0.256ct Loose Stone, Japan-Germany
Sale price¥98,000
Non-Oil Emerald 1.370ct Loose GIA
Sale price¥1,580,000
Brazilian Paraiba Tourmaline 0.405ct loose stone (CuO2.7% CuO2.2%) GIA
Sale price¥198,000
Triplite 0.439ct loose stone
Sale price¥12,800
Colombian Trapiche Emerald (Reverse Trapiche) 0.073ct Rough Stone
Sale price¥8,800
Colombian trapiche emerald (reverse trapiche) 0.078ct rough stone
Sale price¥7,980
Diamond rough stone 0.967ct
Sale price¥5,980
Diamond rough stone 1.293ct
Sale price¥5,980
Sri Lankan Star Sapphire 2.093ct Loose
Sale price¥9,800
Madagascar Bicolor Sphene 1.551ct Loose Stone
Sale price¥19,800
Brazilian Morganite 3.929ct loose stone
Sale price¥19,800
Brazilian Morganite 7.339ct loose stone
Sale price¥39,800
Ruby 0.289ct loose stone by Takakikyo
Sale price¥12,800
Pigeon Blood Ruby 0.295ct Loose AIGS
Sale price¥49,800
Brazilian Dumortierite in Quartz 0.495ct loose stone
Sale price¥5,980
Brazilian Dumortierite in Quartz 0.387ct loose stone
Sale price¥5,980
Brazilian Dumortierite in Quartz 0.432ct Loose Stone
Sale price¥6,980
Brazilian alexandrite 0.061ct loose
Sale price¥12,800
Brazilian alexandrite 0.058ct loose
Sale price¥12,800
Brazilian alexandrite 0.051ct loose
Sale price¥11,000
Brazilian alexandrite 0.060ct loose
Sale price¥12,800
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.