Mexican Smithsonite 2.697ct loose stone
Sale price¥9,800
Rhodochrosite from South Africa 4.2mm/0.409ct loose
Sale price¥39,800
Oregon Sunstone from the United States 5.0mm/0.460ct loose stone
Sale price¥19,800
Diamond (cabochon cut) 0.183ct loose
Sale price¥24,800
Diamond (cabochon cut) 0.366ct loose
Sale price¥59,800
Tanzanian Rhodolite Garnet 10.608ct Loose Stone
Sale price¥98,000
Brazilian Paraiba Tourmaline in Quartz 4.5mm/0.284ct Loose Stone
Sale price¥22,800
Brazilian Paraiba Tourmaline in Quartz 1.146ct Loose Stone
Sale price¥29,800
Brazilian Paraiba Tourmaline in Quartz 7.9mm/1.314ct Loose Stone
Sale price¥29,800
Kenyan Gold Sheen Sapphire 3.6mm/0.302ct Loose Stone
Sale price¥35,800
Kenyan Gold Sheen Sapphire 3.5mm/0.273ct Loose Stone
Sale price¥22,800
Brazilian Lazurite (Azurite) 0.071ct loose stone
Sale price¥22,800
Brazilian Limonite in Topaz 5.709ct loose stone
Sale price¥9,800
Mexican Fire Opal 6.7mm/0.953ct Loose
Sale price¥25,800
Mexican Fire Opal 4.9mm/0.333ct Loose
Sale price¥8,800
Mozambican Rubellite 1.141ct Loose Gemstone
Sale price¥29,800
Brazilian alexandrite 0.081ct loose
Sale price¥16,800
Brazilian Indigolite Tourmaline 6.052ct Loose Stone JTL
Sale price¥158,000
[Koshu Precious Stone Cutting Pluethree] Yellow Beryl 0.880ct Loose
Sale price¥29,800
Brazilian Green Tourmaline 2.907ct Loose Stone
Sale price¥98,000
Brazilian Green Tourmaline 1.193ct Loose Stone
Sale price¥49,800
Brazilian Green Tourmaline 9.495ct Loose
Sale price¥128,000
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
Brazilian parti-color tourmaline 2.702ct loose stone
Sale price¥69,800
Czech Aragonite 8.0mm/2.082ct Loose Stone
Sale price¥69,800
Brazilian Rubellite 3.845ct loose stone
Sale price¥198,000
Rainbow Quartz (Iridescence Quartz) from India 0.940 ct Loose Gemstone
Sale price¥158,000
Diamond 0.128ct loose stone (cabochon cut, maroon cut)
Sale price¥39,800
Spanish Andalusite 0.776ct loose stone
Sale price¥11,800
Spanish Sphalerite 8mm/2.796ct loose stone
Sale price¥69,800
Colombian pyrite-mica emerald 0.739ct loose stone
Sale price¥36,800
Brazilian Rubellite 1.027ct Loose Stone
Sale price¥69,800
Brazilian Paraiba Tourmaline 0.230ct Loose GIA (CuO: 0.9%, MnO: 1.1%)
Sale price¥158,000
Tanzanian Kornerupine 0.202ct loose stone
Sale price¥18,800
Tanzania Cobalt Spinel 0.211ct Loose Stone JTL Catalog
Sale price¥29,800
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.