White topaz 3.780ct loose
Sale price¥12,800
White topaz 1.90ct loose
Sale price¥6,980
Diamond 0.618ct loose (I, I1, tree cut)
Sale price¥148,000
UV type mint garnet 0.530ct loose
Sale price¥7,980
UV type mint garnet 0.510ct loose
Sale price¥7,980
UV type mint garnet 0.450ct loose
Sale price¥6,980
Citrine 25.35ct loose (pineapple)
Sale price¥9,800
Citrine 24.760ct loose (pineapple)
Sale price¥12,800
Citrine 14.290ct loose (pineapple)
Sale price¥6,980
Hessonite garnet 5.960ct loose
Sale price¥9,800
Hessonite garnet 4.94ct loose
Sale price¥8,800
Bicolor tanzanite 2.780ct loose
Sale price¥39,800
Bicolor sapphire 0.244ct loose
Sale price¥15,800
Bicolor sapphire 0.193ct loose
Sale price¥9,800
{Yurakucho Marui 2024112 takeout} Bicolor sapphire 0.148ct loose stone
Sale price¥15,800
Aquamarine 1.850ct loose
Sale price¥5,980
UV type grossular garnet 0.81ct loose
Sale price¥14,800
Diamond 3.35ct rough stone with medium treasure
Sale price¥39,800
K18PG almandine garnet pendant (necklace)
Sale price¥45,800
[KEN] Mint color tourmaline 4mm loose (rose cut)
Sale price¥6,980
Green tourmaline 4mm loose (rose cut)
Sale price¥3,980
[KEN] Bicolor tourmaline 5mm loose
Sale price¥6,980
Yellow Star Sapphire 22.023ct loose
Sale price¥59,800
Unheated bicolor Paraiba tourmaline 0.105ct loose stone GIA
Sale price¥198,000
[Mr. KEN] Ametrine 0.860ct loose from Madagascar
Sale price¥6,980
Hyalite Opal 29.640ct rough stone
Sale price¥8,800
Hyalite Opal 20.070ct rough stone
Sale price¥9,800
Hyalite Opal 16.20ct rough stone
Sale price¥8,800
Hyalite Opal 11.90ct rough stone
Sale price¥8,800
Aquamarine 0.807ct loose
Sale price¥9,800
Color change garnet 2.243ct loose
Sale price¥15,800
Hessonite garnet 9.870ct loose
Sale price¥14,800
Hessonite garnet 6.780ct loose
Sale price¥12,800
Aquamarine 9.00ct loose
Sale price¥148,000
Vietnam Pink Sapphire 1.690ct Loose GIA
Sale price¥88,000
Fire opal 1.988ct loose
Sale price¥15,800
Yellow opal 33.606ct loose
Sale price¥39,800
Fire opal 2.331ct loose
Sale price¥19,800
Fire opal 4.172ct loose
Sale price¥15,800
Bicolor tourmaline 0.910ct loose
Sale price¥5,980
Burmese pigeon blood ruby 1.340ct loose GRS
Sale price¥178,000
Royal blue sapphire 2.22ct loose AIGS
Sale price¥398,000
Opal 3.504ct loose
Sale price¥14,800
Green tourmaline 0.520ct loose
Sale price¥4,980
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.