Mexican Cantera Opal 4.835ct Loose
Sale price¥19,800
Brazilian Dolomite 4.070ct Loose Stone, Japan-Germany Mirror
Sale price¥98,000
Tanzanian bicolor tanzanite rough stone 2.750ct
Sale price¥9,800
Brazilian Flower Rutile in Quartz 3.312ct Loose Stone
Sale price¥15,800
Mexican Cantera Opal 3.297ct Loose
Sale price¥29,800
Almandine garnet 2.421ct loose
Sale price¥18,800
3.324ct Tanzanian Purple Zoisite Rough Stone
Sale price¥6,980
Tanzania Bicolor Pink Zoisite 4.037ct Rough Stone
Sale price¥12,800
Tanzania Purple Zoisite Rough Stone 2.590ct
Sale price¥9,800
Brazilian Dendritic Agate 2.788ct Loose Stone
Sale price¥9,800
Brazilian Dendritic Agate 3.575ct Loose Stone
Sale price¥9,800
[Rouge cut] Morganite 2.059ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 2.101ct loose stone
Sale price¥8,800
Mexican Cantera Opal 4.158ct Loose
Sale price¥15,800
Australian black opal 3.242ct loose stone
Sale price¥69,800
Mozambique colorless tourmaline (acroite) 3.542ct loose stone
Sale price¥69,800
Twin star sapphire from Sri Lanka 3.003ct loose (Violet star sapphire)
Sale price¥59,800
Twin star sapphire from Sri Lanka 3.858ct loose (black star sapphire)
Sale price¥59,800
Twin star sapphire from Sri Lanka 2.523ct loose
Sale price¥98,000
Chrysoberyl cat's eye 2.843ct loose
Sale price¥39,800
Amethyst 3.090ct loose
Sale price¥6,980
Brazilian dumortierite in quartz 3.247ct loose
Sale price¥25,800
Brazilian Dumortierite in Quartz 2.932ct loose
Sale price¥25,800
[Mr. Sanjay] Mexican water opal 3.161ct loose (Contrarus opal)
Sale price¥69,800
Brazilian dumortierite in quartz 2.625ct loose (faceted cut)
Sale price¥26,800
Mexican Hyalite Opal 2.592ct loose
Sale price¥9,800
Colombian Euclase 3.417ct rough stone
Sale price¥12,800
Purple zoisite 3.758ct rough stone from Tanzania
Sale price¥29,800
British Rosary Fluorite 4.738ct loose
Sale price¥9,800
[Lottery Sale_0612_09] Yellow Sapphire 2.150ct Loose Gemstone GIT
Sale price¥158,000
[Lottery Sale 0531_15] Madagascar Bicolor Sphene 3.998ct Loose Gemstone
Sale price¥178,000
[Lottery Sale 0521_06] Sri Lankan Sapphire Cat's Eye Loose Stone 2.442ct
Sale price¥75,800
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.