Orange Hackmanite from Afghanistan 1.101ct loose stone
Sale price¥19,800
Pakistani Oil in Quartz 0.528ct Loose Stone
Sale price¥9,800
Hackmanite from Afghanistan 4.0mm/0.181ct loose stone
Sale price¥9,800
Mexican Hyalite Opal 6.1mm/0.810ct Loose
Sale price¥15,800
Mexican Hyalite Opal 6.0mm/0.676ct Loose Stone
Sale price¥15,800
Mexican Hyalite Opal 5.0mm/0.449ct Loose Stone
Sale price¥9,800
Bicolor fluorite 1.259ct loose stone
Sale price¥7,980
Bicolor Fluorite 1.188ct Loose
Sale price¥7,980
Bicolor fluorite 1.281ct loose stone
Sale price¥7,980
Bicolor fluorite 1.076ct loose stone
Sale price¥7,980
Pakistani Oil in Quartz 0.442ct Loose Stone
Sale price¥9,800
Hackmanite rough stone from Afghanistan, 7.183ct
Sale price¥39,800
Afghanite from Afghanistan 0.250ct loose stone
Sale price¥6,980
Afghanite 0.333ct loose stone from Afghanistan, Japan-Germany
Sale price¥8,800
Afghanite 0.447ct loose stone from Afghanistan, Japan-Germany
Sale price¥8,800
Hackmanite from Afghanistan, 27.410ct rough stone
Sale price¥9,800
Fluorite rough stone from Namibia 5.0 x 6.3 x 2.0cm
Sale price¥12,800
[Takeshi Yamamoto] Bicolor fluorite 15.624ct loose stone
Sale price¥45,800
Unheated Mozambique Ruby 0.220ct Loose
Sale price¥25,800
Unheated Ruby 0.330ct Loose AIGS
Sale price¥35,800
Pakistan Ruby in Quartz 1.429ct Loose Stone
Sale price¥12,800
Hackmanite from Afghanistan, 15.600ct rough stone
Sale price¥8,800
Chinese bicolor fluorite 6.274ct loose stone
Sale price¥8,800
Argentine bicolor fluorite 11.226ct loose stone
Sale price¥6,980
Pakistani Oil in Quartz 0.283ct Loose Stone
Sale price¥7,980
Pakistani Oil in Quartz 0.328ct Loose Stone
Sale price¥8,800
Chinese bicolor fluorite 1.215ct loose stone
Sale price¥7,980
Bicolor Fluorite 6.1mm/0.869ct Loose Stone
Sale price¥6,980
Chinese bicolor fluorite 0.950ct loose stone
Sale price¥6,980
Green Fluorite 38.074ct Loose
Sale price¥158,000
Chinese bicolor fluorite 1.192ct loose stone
Sale price¥7,980
Chinese bicolor fluorite 1.088ct loose stone
Sale price¥7,980
Chinese bicolor fluorite 0.990ct loose stone
Sale price¥6,980
Chinese bicolor fluorite 0.908ct loose stone
Sale price¥6,980
Bicolor Fluorite 0.763ct Loose
Sale price¥9,800
Pakistani Oil in Quartz 0.438ct Loose Stone
Sale price¥9,800
Mexican Hyalite Opal 1.215ct Loose (Faceted Cut)
Sale price¥9,800
German Awinite 0.064ct loose stone
Sale price¥18,800
K18/Pt950 Afghanistan Green Apatite 0.162ct Ring
Sale price¥198,000
German Awinite 0.070ct loose stone
Sale price¥32,800
Afghanite from Afghanistan 0.617ct loose stone
Sale price¥69,800
Pakistani Oil in Quartz 1.337ct Loose Stone (Moving Bubbles)
Sale price¥19,800
Pigeon Blood Ruby 0.295ct Loose AIGS
Sale price¥49,800
Myanmar Trapiche Ruby 0.342ct Loose
Sale price¥15,800
Bicolor Fluorite 0.909ct Loose
Sale price¥6,980
Bicolor Fluorite 0.582ct Loose
Sale price¥5,980
Bicolor fluorite 1.332ct loose stone
Sale price¥6,980
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.