[Camellia cut] Mexican fire opal 1.270ct loose with patch
Sale price¥69,800
Royal blue sapphire 1.220ct loose stone
Sale price¥258,000
Brazilian copper rutilated quartz 1.262ct loose stone
Sale price¥6,980
Brazilian copper rutilated quartz 1.647ct loose stone
Sale price¥6,980
Brazilian copper rutilated quartz 1.352ct loose stone
Sale price¥6,980
[Published on 12563859] Australian black opal, 1.184ct loose stone
Sale price¥45,800
[Listing 12563862] Australian Black Opal 1.392ct Loose
Sale price¥69,800
Pakistani Clinohumite 1.440ct Loose Stone, Japan-Germany Exchange
Sale price¥39,800
【9/1 22時販売】アメリカ産ペリドット 1.280ctルース
Sale price¥18,800
Purple zoisite from Tanzania 1.103ct loose Japanese German edition
Sale price¥98,000
[Listed as 12563196] Imperial Topaz from Brazil, 1.036ct Loose Gemstone
Sale price¥45,800
[12563744 listed] Bi-color Tourmaline from Brazil 1.153ct Loose Stone
Sale price¥12,800
[Posted on 12564182] Tanzanian Spinel 1.154ct Loose Gemstone
Sale price¥39,800
[Posted 12564181] Tanzanian Spinel 1.117ct Loose Stone
Sale price¥39,800
[Posted as 12563742] Brazilian Bicolor Tourmaline, 1.524 ct loose stone
Sale price¥18,800
[Posted on 12563864] Australian Black Opal 1.797ct Loose Stone
Sale price¥69,800
[Listed as 12563903] Tanzanian Bicolor Zoisite 1.382ct Loose Stone
Sale price¥45,800
Congo Carolite 6.2mm/1.481ct Loose Stone Japan-Germany Scale
Sale price¥29,800
Lazurite in quartz from Madagascar 7.5mm/1.600ct loose
Sale price¥18,800
[Posted as 12563996] Australian Black Opal 1.029ct Loose Stone
Sale price¥29,800
[Lottery Sale 0731_09] Burmese Ruby 1.020ct Loose Stone GIA
Sale price¥188,000
[Published 12563933] Brazilian Rubellite 1.100ct Loose Stone
Sale price¥98,000
Brazilian rhodonite 1.423ct loose stone
Sale price¥29,800
Colombian Pyrite, Mica in Emerald 1.192ct Loose Stone with Certificate
Sale price¥79,800
1.025ct Loose White Sapphire from Sri Lanka with Gemological Report
Sale price¥35,800
[Lottery Sale 0521_08] Madagascar Sapphire 1.650ct Loose GIA
Sale price¥158,000
[Listed as 12562727] Pink Imperial Topaz 1.907ct Loose Stone
Sale price¥118,000
Bicolor Sphalerite from Spain 6.6mm/1.521ct Loose Stone
Sale price¥22,800
Spanish Sphalerite 6.5mm/1.321ct Loose Stone
Sale price¥19,800
Brazil Color Change Fluorite 1.099ct Loose Stone
Sale price¥9,800
Kochi Prefecture Aka Sango (Red Coral) 1.439ct Loose Stone
Sale price¥9,800
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.