Mint green diamond (treated) 0.101ct loose (SI class equivalent)
Sale price¥15,800
Indian Alexandrite Cat's Eye 0.373ct Loose Stone
Sale price¥8,800
Ruby 0.106ct loose
Sale price¥12,800
Australian rainbow lattice sunstone 0.564ct loose
Sale price¥6,980
Brazilian Paraiba tourmaline in quartz 0.871ct loose
Sale price¥18,800
Tanzanian Kornerupine Cat's Eye 1.331ct Loose Stone
Sale price¥7,980
Brazilian Apatite in Jasper 1.477ct Loose Stone
Sale price¥7,980
Brazilian Apatite in Jasper 2.248ct Loose Stone
Sale price¥7,980
Tanzanian Mandarin Garnet 0.695ct Loose Stone
Sale price¥49,800
Tanzanian Mandarin Garnet 0.369ct Loose Stone
Sale price¥24,800
Kenyan illusion chrome tourmaline 2.141ct loose stone
Sale price¥22,800
Mozambique colorless tourmaline (acroite) 3.542ct loose stone
Sale price¥69,800
Afghanistan indigolite tourmaline 3.022ct loose stone
Sale price¥19,800
Afghanistan indigolite tourmaline 1.732ct loose stone
Sale price¥15,800
Afghanistan indigolite tourmaline 1.732ct loose stone
Sale price¥15,800
Afghanistan indigolite tourmaline 1.729ct loose stone
Sale price¥15,800
Afghanistan indigolite tourmaline 1.264ct loose stone
Sale price¥12,800
Green Sapphire 0.299ct Loose (Silky Sapphire)
Sale price¥3,980
Mexican Cantera Opal 15.195ct Loose
Sale price¥18,800
Mexican Cantera Opal 11.325ct Loose
Sale price¥15,800
Mexican Fire Opal 1.891ct Loose
Sale price¥24,800
Mexican Fire Opal 1.450ct Loose
Sale price¥39,800
《Yurakucho Marui 2024112 takeout》Mexican fire opal 1.348ct loose
Sale price¥19,800
Mexican Fire Opal 1.104ct Loose
Sale price¥9,800
Mexican Fire Opal 0.403ct Loose
Sale price¥9,800
Brazilian Imperial Topaz 0.826ct Loose
Sale price¥19,800
Brazilian Imperial Topaz 0.746ct Loose
Sale price¥18,800
Brazilian Imperial Topaz 0.402ct Loose Stone
Sale price¥11,000
Brazilian Imperial Topaz 0.357ct Loose Stone
Sale price¥12,800
Brazilian Imperial Topaz 0.349ct Loose Stone
Sale price¥12,800
Brazilian Imperial Topaz 0.153ct Loose
Sale price¥5,980
Australian black opal 2.277ct loose stone (play of color on both sides)
Sale price¥34,800
《Yurakucho Marui 2024112 takeout》Australian black opal 0.676ct loose
Sale price¥15,800
《Yurakucho Marui 2024112 takeout》Sphene 0.707ct loose stone
Sale price¥8,800
Mica in Quartz 0.980ct Loose
Sale price¥6,980
Mica in Quartz 0.864ct Loose Stone
Sale price¥6,980
Mica in Quartz 0.834ct Loose Stone
Sale price¥6,980
Mica in Quartz 0.760ct Loose
Sale price¥6,980
Mica in Quartz 0.588ct Loose Stone
Sale price¥6,980
Mica in Quartz 0.544ct Loose Stone
Sale price¥6,980
Mexican egg-in-opal 1.582ct loose stone
Sale price¥18,800
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.