Tanzania Bicolor Zoisite 0.450ct Loose Stone
Sale price¥9,800
Tanzanite from Tanzania 0.478ct loose stone
Sale price¥9,800
Tanzanite from Tanzania 0.351ct loose stone
Sale price¥9,800
Brazilian Morganite 1.296ct loose stone
Sale price¥8,800
Montana Sapphire 3.0mm/0.119ct Loose (Blue Sapphire)
Sale price¥6,980
Montana Sapphire 3.7mm/0.272ct Loose Stone (Blue Sapphire)
Sale price¥9,800
Mongolian Andesine 0.856ct Loose Stone
Sale price¥9,800
Hokkaido Opal 12.492ct Loose Patch
Sale price¥7,980
Brazilian emerald in quartz 2.810ct loose stone
Sale price¥4,980
Brazilian emerald in quartz 2.332ct loose stone
Sale price¥3,980
Brazilian Quartz 13.991ct Loose Patch
Sale price¥9,800
Canadian Amber 20.540ct Loose Patch
Sale price¥9,800
Australian Green Opal 4.990ct Loose
Sale price¥9,800
Brazilian bicolor tourmaline 0.582ct loose stone
Sale price¥6,980
Sri Lankan Hessonite Garnet 1.048ct Loose Stone
Sale price¥8,800
YAG (Yttrium Aluminum Garnet) 7.0mm/1.772ct loose stone
Sale price¥9,800
Madagascar pink sapphire 0.273ct loose stone
Sale price¥5,980
Brazilian bicolor tourmaline 1.209ct loose stone
Sale price¥9,800
Montana Sapphire (Blue Sapphire) 0.207ct Loose
Sale price¥6,980
Sri Lankan Chrysoberyl Cat's Eye 0.519ct Loose Stone
Sale price¥8,800
Vietnam Aquamarine 0.456ct Loose
Sale price¥8,800
American Peridot 1.084ct Loose Stone
Sale price¥9,800
Myanmar pink spinel 0.344ct loose stone
Sale price¥8,800
Tanzanite from Tanzania 0.298ct loose stone
Sale price¥9,800
Tanzanite from Tanzania 0.250ct loose stone
Sale price¥7,980
Tanzanite from Tanzania 0.326ct loose stone
Sale price¥8,800
Tanzania Bicolor Zoisite 0.320ct Loose Stone
Sale price¥7,980
Tanzanite from Tanzania 0.321ct loose stone
Sale price¥6,980
Tanzanite from Tanzania 0.250ct loose stone
Sale price¥8,800
Ruby 0.254ct loose stone
Sale price¥8,800
Brazilian Green Tourmaline 0.764ct Loose Stone
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.344ct Loose
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.300ct 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.

The fifth reprint has been decided and is now on sale at bookstores nationwide and online.
Written by KARATZ, book “Jewelry Illustrated Book”
The book provides explanations about over 300 types of gemstones, from new standard birthstones to rare stones that are hard to find, as well as a diary of our company representative, Mr. Koyama's, gemstone shopping experience in Thailand and Sri Lanka, and tips for photographing gemstones, allowing you to learn about the appeal of gemstones from various perspectives.