Pt950 Brazilian Paraiba Tourmaline 0.201ct Pendant (Necklace)
Sale price¥128,000
American Benitoite 1.8mm/0.159ct loose stone (gradation)
Sale price¥39,800
Brazilian bicolor tourmaline 0.326ct loose stone
Sale price¥8,800
American red beryl 0.092ct loose
Sale price¥19,800
Mexican Fire Opal 6.7mm/0.953ct Loose
Sale price¥25,800
Mexican Fire Opal 7.1mm/0.911ct Loose
Sale price¥25,800
Mexican Fire Opal 4.9mm/0.333ct Loose
Sale price¥8,800
[Koshu Precious Stone Cutting Pluethree] Yellow Beryl 0.880ct Loose
Sale price¥29,800
Bicolor Benitoite 0.601ct Loose Japanese-German Edition
Sale price¥458,000
Nigerian Green Beryl 1.349ct Loose Stone
Sale price¥98,000
Pt950 Brazilian Paraiba Tourmaline Ring (Fluid Setting, Oval Cut)
Sale price¥64,800
Australian black opal 9.709ct loose stone
Sale price¥158,000
Brazilian Paraiba Tourmaline 0.211ct loose stone
Sale price¥49,800
Paraiba tourmaline from Brazil 0.047ct loose
Sale price¥29,800
Brazilian Paraiba Tourmaline 0.068ct loose stone
Sale price¥39,800
Paraiba tourmaline from Brazil 0.071ct loose
Sale price¥39,800
Paraiba tourmaline from Brazil 0.052ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.051ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.048ct loose
Sale price¥29,800
Brazilian Paraiba Tourmaline 0.230ct Loose GIA (CuO: 0.9%, MnO: 1.1%)
Sale price¥158,000
Benitoite 13 stone half eternity ring set (1.8mm, gradient set)
Sale price¥158,000
K18/Pt950 Cambodian Blue Zircon 0.48ct Paraiba Tourmaline Ring
Sale price¥89,800
Brazilian Paraiba Tourmaline 0.136ct loose stone (CuO: 1.8%, MnO: 2.0%)
Sale price¥39,800
Australian Boulder Opal 23.164ct Loose
Sale price¥128,000
Madagascar Padparadscha Sapphire 0.208ct Loose DGL
Sale price¥34,800
Mexican Fire Opal 0.576ct Loose (Faceted Cut)
Sale price¥9,800
Mexican Fire Opal 0.212ct Loose (Faceted Cut)
Sale price¥8,800
Mexican Fire Opal 1.222ct Loose (Faceted Cut)
Sale price¥12,800
Mexican Fire Opal 0.213ct Loose (Faceted Cut)
Sale price¥9,800
Mexican Fire Opal 0.356ct Loose (Faceted Cut)
Sale price¥9,800
Chinese bicolor fluorite 6.274ct loose stone
Sale price¥8,800
Argentine bicolor fluorite 11.226ct loose stone
Sale price¥6,980
Brazilian bicolor tourmaline 1.248ct loose stone
Sale price¥18,800
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
Montana Sapphire 0.331ct Loose (Bi-Color Sapphire)
Sale price¥8,800
Brazilian Paraiba Tourmaline 0.759ct rough stone
Sale price¥45,800
Chinese bicolor fluorite 1.215ct loose stone
Sale price¥7,980
Bicolor Fluorite 6.1mm/0.869ct 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.