Kasharai Amethyst 0.430ct Loose
Sale price¥12,800
Synthetic Alexandrite 0.570ct loose stone
Sale price¥18,800
Pyrope Almandine Garnet 2.514ct Loose Stone
Sale price¥29,800
Ruby 0.258ct loose
Sale price¥18,800
Russian Diopside 1.506ct Loose Stone
Sale price¥29,800
Mozambique Rhodolite Garnet 1.146ct Loose Stone
Sale price¥12,800
Brazilian Lepidocrocite in Quartz 9.0mm/2.735ct Loose Stone
Sale price¥14,800
Mozambique Rhodolite Garnet 1.418ct Loose Stone
Sale price¥12,800
Labradorite (Spectrolite) from Finland 56.702ct loose
Sale price¥14,800
Brazilian Alexandrite 0.097ct loose stone
Sale price¥18,800
American Red Beryl 0.104ct Loose
Sale price¥15,800
Mexican Fire Opal (Faceted Cut) 0.934ct Loose
Sale price¥25,800
Mexican Fire Opal 3.160ct Loose
Sale price¥29,800
Labradorite (Spectrolite) from Finland 56.209ct loose
Sale price¥15,800
Mongolian color change andesine 1.486ct loose stone
Sale price¥18,800
Tanzanite Zoisite 0.435ct loose stone
Sale price¥12,800
Tanzanite 1.055ct loose stone
Sale price¥29,800
Brazilian Dumortierite in Quartz 2.569ct loose stone (faceted cut)
Sale price¥19,800
Brazilian Dumortierite in Quartz 3.188ct loose stone (faceted cut)
Sale price¥12,800
Mexican Hyalite Opal 3.917ct Loose
Sale price¥15,800
Oregon Sunstone from the United States 2.153ct loose stone
Sale price¥15,800
Colombian Euclase 1.836ct loose stone
Sale price¥18,800
Dominican Republic Conch Pearl 0.970ct Loose (with flame pattern)
Sale price¥12,800
Afghanistan Lazurite in Sodalite 0.581ct Loose Stone
Sale price¥18,800
Sri Lankan zircon 3.614ct loose stone
Sale price¥29,800
Madagascar Golden Iolite (Cordierite) 7.6mm/1.477ct Loose Stone
Sale price¥29,800
Dendritic Opal 3.041ct Loose
Sale price¥18,800
Madagascar Purple Sapphire 4.5mm/0.435ct Loose Stone
Sale price¥18,800
Madagascar Purple Sapphire 4.5mm/0.393ct Loose Stone
Sale price¥18,800
Sri Lankan saffron 0.121ct loose stone
Sale price¥18,800
Pakistani Axinite 0.500ct loose stone (green tint)
Sale price¥12,800
Tanzanian bicolor tanzanite 1.284ct loose stone
Sale price¥29,800
Brazilian Dumortierite in Quartz 1.447ct loose stone (faceted cut)
Sale price¥18,800
Tanzania Peristerite 1.150ct Loose Stone (Royal Blue Moonstone)
Sale price¥12,800
Dominican Republic Conch Pearl (with flame pattern) 0.840ct loose
Sale price¥12,800
Sakura Shape Brazilian Topaz 8.1mm/2.211ct Loose Stone
Sale price¥29,800
Cassiterite 4.2mm/0.676ct Loose Stone with Certificate of Authenticity
Sale price¥16,800
Namibian Jeremejevite 0.127ct loose stone
Sale price¥29,800
Oregon Sunstone from the United States 1.951ct loose stone
Sale price¥12,800
Brazilian Green Tourmaline 1.431ct Loose Stone
Sale price¥12,800
Cambodian Zircon 1.547ct Loose Stone
Sale price¥22,800
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.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
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.