Brazilian Paraiba Tourmaline in Quartz 3.046ct loose stone
Sale price¥45,800
Sri Lankan Star Sapphire 7.976ct Loose
Sale price¥98,000
Mexican Cantera Opal 3.176ct Loose
Sale price¥39,800
Mexican Cantera Opal 3.167ct loose stone (faceted cut)
Sale price¥12,800
Synthetic black opal 2.996ct loose stone
Sale price¥29,800
Zimbabwean Apatite (UV type) 2.368ct loose stone
Sale price¥18,800
Sri Lankan magnetite 6.245ct loose stone by Nikkei
Sale price¥22,800
Mexican Cantera Opal 5.126ct Loose
Sale price¥25,800
Mexican Cantera Opal 5.238ct Loose
Sale price¥15,800
Australian black opal 4.528ct loose
Sale price¥39,800
Brazilian Dalmatian Quartz 2.041ct Loose Stone
Sale price¥12,800
[Sakura Shape] Mexican Opal 2.551ct Loose Patch
Sale price¥59,800
Mexican Cantera Opal 2.809ct Loose
Sale price¥25,800
Mexican Cantera Opal 3.280ct Loose
Sale price¥9,800
Brazilian Indigolite Tourmaline 6.052ct Loose Stone JTL
Sale price¥158,000
Sri Lankan Goethite Topaz 4.992ct Loose Stone
Sale price¥14,800
Brazilian Green Tourmaline 4.374ct Loose Stone
Sale price¥98,000
#202510 Campaign Shortage Bicolor Tourmaline 3.468ct Loose
Sale price¥6,980
Brazilian Morganite 4.720ct loose stone
Sale price¥98,000
[Published on 12564175] Sri Lankan Spinel 3.419ct Loose Stone
Sale price¥188,000
[Lottery Sale 0829] Bulgarian Green Sphalerite 3.608ct Loose Gemstone
Sale price¥328,000
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.