Brazilian Green Spodumene 10mm/4.505ct Loose Stone
Sale price¥19,800
Pakistani Axinite (Green Tint) 1.389ct Loose Stone
Sale price¥39,800
Mexican Hyalite Opal 3.917ct Loose
Sale price¥15,800
Brazilian Dumortierite in Quartz 3.188ct loose stone (faceted cut)
Sale price¥12,800
Mexican Fire Opal (Faceted Cut) 0.934ct Loose
Sale price¥25,800
Pyrope Almandine Garnet 2.514ct Loose Stone
Sale price¥29,800
Synthetic Opal 2.026ct Loose
Sale price¥19,800
Brazilian Paraiba Tourmaline in Quartz 1.530ct Loose Stone
Sale price¥29,800
Mexican Fire Opal 1.320ct Loose
Sale price¥13,800
Brazilian Spodumene 3.200ct loose stone
Sale price¥16,800
Brazilian Petalite 2.164ct loose stone
Sale price¥11,000
White Topaz 2.563ct Loose (Needle-in Topaz)
Sale price¥5,980
Brazilian copper rutilated quartz 2.051ct loose stone
Sale price¥8,800
Colombian Trapiche Emerald 1.343ct Loose
Sale price¥69,800
Zimbabwean Apatite (UV type) 2.609ct loose stone
Sale price¥19,800
Sri Lankan magnetite 6.245ct loose stone by Nikkei
Sale price¥22,800
Afghanistan Bicolor Tourmaline 0.471ct Loose Stone
Sale price¥9,800
Brazilian Indigolite Tourmaline in Quartz 2.036ct Loose Stone
Sale price¥12,800
Tanzania Bicolor Zoisite 2.665ct Loose Stone
Sale price¥98,000
Brazilian Dendritic Agate 1.155ct Loose Stone
Sale price¥6,980
Brazilian pink tourmaline 1.018ct loose stone
Sale price¥29,800
Brazilian copper rutilated quartz 2.211ct loose stone
Sale price¥12,800
Brazilian copper rutilated quartz 2.073ct loose stone
Sale price¥9,800
Brazilian Dendritic Agate 2.409ct Loose Stone
Sale price¥9,800
Brazilian Paraiba Tourmaline in Quartz 1.271ct Loose Stone
Sale price¥22,800
Brazilian Paraiba Tourmaline in Quartz 1.571ct Loose Stone
Sale price¥29,800
Brazilian Paraiba Tourmaline in Quartz 1.618ct Loose Stone
Sale price¥25,800
Brazilian Dalmatian Quartz 2.041ct Loose Stone
Sale price¥12,800
Mexican Opal 1.639ct Loose (Contralus Opal)
Sale price¥29,800
Mexican Cantera Opal 2.982ct Loose
Sale price¥14,800
Congo Bicolor Tourmaline 3.429ct Loose
Sale price¥128,000
Brazilian Indicolite Tourmaline 1.616ct Loose Gemstone (JTL Certified)
Sale price¥69,800
Brazilian Green Tourmaline 2.907ct Loose Stone
Sale price¥98,000
Brazilian Green Tourmaline 4.374ct Loose Stone
Sale price¥98,000
Mexican Fire Opal 1.222ct Loose (Faceted Cut)
Sale price¥12,800
Spanish Sphalerite 2.726ct loose stone
Sale price¥39,800
Spanish bicolor sphalerite 3.504ct loose stone
Sale price¥38,800
Zimbabwe Apatite (UV Type) 1.393ct Loose Stone
Sale price¥29,800
Brazilian Sky Blue Topaz (untreated) 2.116ct loose stone
Sale price¥15,800
Tanzania Purple Zoisite Rough Stone 1.160ct
Sale price¥8,800
Sri Lankan Moonstone 1.959ct 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.