Brazilian Garden Quartz 5.592ct Loose Stone
Sale price¥12,800
Spanish Sphalerite 6.494ct loose stone
Sale price¥69,800
Spanish bicolor sphalerite 5.289ct loose stone
Sale price¥59,800
Brazilian rutilated quartz (rutile quartz) 12mm/7.140ct loose stone
Sale price¥9,800
Brazilian rutilated quartz (rutile quartz) 12mm/6.709ct loose stone
Sale price¥9,800
Argentine Inca Rose 5.022ct loose stone
Sale price¥12,800
Mexican Cantera Opal 5.647ct Loose
Sale price¥19,800
Mexican Cantera Opal 7.460ct Loose
Sale price¥29,800
Mausithit from Myanmar 5.246ct loose (Maushitsit)
Sale price¥5,980
Brazilian Medusa Quartz (Paraiba Quartz) 7.250ct Loose
Sale price¥54,800
Brazilian Limonite in Topaz 6.829ct loose stone
Sale price¥17,800
Brazilian Limonite in Topaz 5.709ct loose stone
Sale price¥9,800
Brazilian Indigolite Tourmaline 6.052ct Loose Stone JTL
Sale price¥158,000
Brazilian Green Tourmaline 9.495ct Loose
Sale price¥128,000
Australian black opal 9.709ct loose stone
Sale price¥158,000
Japanese style twin crystal 5.771ct raw stone
Sale price¥19,800
Brazilian bicolor tourmaline 6.928ct loose stone (bicolor blue tourmaline)
Sale price¥298,000
Sri Lankan glass body (sapphire crystal) 7.983ct rough stone
Sale price¥29,800
Brazilian Tourmaline (untreated) 5.120ct loose stone
Sale price¥39,800
Tanzania Bicolor Pink Zoisite 5.041ct Rough Stone
Sale price¥12,800
Mexican Fire Agate 6.090ct Loose Stone
Sale price¥14,800
Mexican Cantera Opal 5.204ct Loose
Sale price¥12,800
Colombian pyrite in emerald 6.415ct loose stone
Sale price¥298,000
Montana Agate 9.528ct Loose
Sale price¥9,800
Mexican Cantera Opal 7.720ct Loose
Sale price¥22,800
Brazilian bicolor tourmaline 7.489ct loose
Sale price¥49,800
[Camellia cut] Opal 14mm/5.283ct loose with patch
Sale price¥98,000
Chrysoberyl cat's eye from Sri Lanka 5.176ct loose
Sale price¥198,000
Sea blue chalcedony 6.964ct loose
Sale price¥7,980
Scapolite Cat's Eye 8.880ct Loose
Sale price¥8,800
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.