Mica in Quartz 0.758ct Loose Stone
Sale price¥5,980
[12551148] Australian black opal 3.890ct loose stone
Sale price¥69,800
Brazilian dendritic quartz 4.587ct loose stone
Sale price¥9,800
Romanesite in Quartz 4.825ct loose stone
Sale price¥9,800
Salt and pepper diamond 0.446ct loose
Sale price¥39,800
Mica in Quartz 0.865ct Loose Stone
Sale price¥5,980
Mica in Quartz 0.736ct loose stone
Sale price¥5,980
Mica in Quartz 0.710ct Loose
Sale price¥5,980
Mica in Quartz 0.594ct loose stone
Sale price¥5,980
Sri Lankan Ilmenite in Star Sapphire 3.426ct loose stone (Ratnapura)
Sale price¥49,800
Finnish Labradorite 56.209ct Loose Gemstone
Sale price¥16,800
Australian black opal 2.277ct loose stone (play of color on both sides)
Sale price¥34,800
Mica in Quartz 0.864ct Loose Stone
Sale price¥5,980
Mica in Quartz 0.760ct Loose
Sale price¥5,980
Mica in Quartz 0.588ct Loose Stone
Sale price¥5,980
Australian black opal 0.251ct loose stone
Sale price¥9,800
Australian black opal 0.439ct loose
Sale price¥11,800
Loose Australian Black Opal 0.397ct
Sale price¥12,800
Australian Black Opal 0.329ct Loose
Sale price¥14,800
Australian Black Opal 0.377 ct Loose
Sale price¥15,800
Australian Black Opal 0.448ct Loose Stone
Sale price¥15,800
[On sale May 3rd, 10 PM JST] Australian Black Opal Loose Stone 0.529ct
Sale price¥15,800
[On sale May 3, 10 PM JST] Australian Black Opal 0.667ct Loose Stone
Sale price¥12,800
Australian Black Opal 1.705ct Loose
Sale price¥12,800
Australian Black Opal 0.362ct Loose
Sale price¥18,800
[On Sale May 3, 10 PM JST] Australian Black Opal 0.385ct Loose Gemstone
Sale price¥18,800
[On sale 10 PM on May 6] Australian Black Opal 0.509ct Loose Stone
Sale price¥14,800
[On sale May 13 at 10 PM] Australian Black Opal 0.525ct Loose Stone
Sale price¥12,800
Australian black opal, 0.666ct loose
Sale price¥12,800
Australian black opal, 0.336ct loose stone
Sale price¥19,800
Australian Black Opal 0.415ct Loose
Sale price¥18,800
Australian Black Opal 0.548ct Loose
Sale price¥18,800
Australian Black Opal 0.744ct Loose Gemstone
Sale price¥18,800
Australian black opal loose stone, 0.618ct
Sale price¥15,800
Australian black opal 1.311 ct loose stone
Sale price¥18,800
Australian Black Opal 0.387ct Loose
Sale price¥18,800
Australian Black Opal 0.605ct Loose Stone
Sale price¥22,800
Australian Black Opal 0.754ct Loose
Sale price¥22,800
Australian Black Opal 0.940ct Loose
Sale price¥18,800
Australian Black Opal 1.539ct Loose
Sale price¥15,800
Australian Black Opal 0.754ct Loose
Sale price¥22,800
Australian Black Opal 0.768ct Loose
Sale price¥25,800
Australian black opal 0.758ct loose stone
Sale price¥35,800
Australian black opal 1.168ct loose stone
Sale price¥39,800
Brazilian Black Garden Quartz 5.722ct Loose Stone
Sale price¥15,800
Brazilian Black Garden Quartz 4.278ct Loose Stone
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.