[On sale at 10pm on 10/23] Royal blue sapphire 0.720ct loose stone
Sale price¥158,000
Brazilian Paraiba Tourmaline 0.177ct loose stone (CuO: 2.1%, MnO: 1.3%)
Sale price¥45,800
Tanzania Wurtzite 0.244ct loose stone by Nikkei
Sale price¥79,800
Unheated Brazilian Paraiba Tourmaline 0.025ct loose stone
Sale price¥39,800
Unheated Brazilian Paraiba Tourmaline 0.038ct loose stone
Sale price¥59,800
Yellow tourmaline 0.238ct loose stone
Sale price¥4,980
Brazilian Paraiba Tourmaline 0.062ct loose stone (CuO: 2.2%, MnO: 4.4%)
Sale price¥29,800
Colombian Trapiche Emerald 0.422ct Loose
Sale price¥22,800
Colombian Trapiche Emerald 0.746ct Loose
Sale price¥39,800
Colombian Trapiche Emerald 0.245ct Loose
Sale price¥18,800
Colombian emerald 0.382ct loose stone
Sale price¥29,800
Mica in Quartz 0.865ct Loose Stone
Sale price¥6,980
Mica in Quartz 0.736ct loose stone
Sale price¥6,980
Mica in Quartz 0.710ct Loose
Sale price¥5,980
Mica in Quartz 0.594ct loose stone
Sale price¥5,980
Oregon Sunstone 0.359ct loose
Sale price¥8,800
Oregon Sunstone 0.272ct Loose
Sale price¥8,800
Oregon Sunstone 0.361ct Loose
Sale price¥6,980
Pakistani Zoisite 4.364ct Loose Stone, Japan-Germany Mirror
Sale price¥29,800
Padparadscha Sapphire 0.497ct Loose DGL
Sale price¥59,800
Myanmar Trapiche Ruby 0.152ct Loose
Sale price¥8,800
Tanzanian Kornerupine 0.298ct loose stone
Sale price¥35,800
Sinhalite from Sri Lanka 0.706ct loose stone
Sale price¥9,800
Brazilian Apatite in Jasper 0.961ct Loose Stone
Sale price¥5,980
[Mr. Sanje] Synthetic moissanite 10.5mm/3.938ct loose stone
Sale price¥19,800
Australian black opal 0.650ct loose
Sale price¥18,800
Mexican Opal 1.666ct Loose
Sale price¥14,800
Brazilian Paraiba Tourmaline 0.216ct loose stone (CuO:1.2%, MnO:2.7%)
Sale price¥69,800
Blue sapphire 2.425ct loose stone with jewel
Sale price¥59,800
Unheated color change sapphire 1.070ct loose stone
Sale price¥158,000
Unheated Brazilian Paraiba Tourmaline 0.110ct Loose Stone AIGS
Sale price¥258,000
Mexican Fire Opal 0.669ct Loose (Contralus Opal)
Sale price¥15,800
Sri Lankan Purple Twin Star Sapphire 2.423ct Loose
Sale price¥128,000
Sri Lankan Twin Star Sapphire 2.443ct Loose
Sale price¥128,000
《Yurakucho Marui 2024112 takeout》Ukrainian bicolor topaz 5.622ct loose stone
Sale price¥198,000
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.
