Brazilian bicolor tourmaline 1.264ct loose stone
Sale price¥25,800
Brazilian bicolor tourmaline 2.153ct loose stone
Sale price¥29,800
Brazilian bicolor tourmaline 1.538ct loose stone
Sale price¥39,800
《Yurakucho Marui 2024112 takeout》Blue sapphire 1.221ct loose stone
Sale price¥79,800
Brazilian Santa Maria Aquamarine 0.397ct loose stone
Sale price¥29,800
Australian black opal 3.027ct loose stone
Sale price¥15,800
Mexican Opal 4.302ct Loose
Sale price¥19,800
Mozambique Aquamarine 0.216ct Loose Stone
Sale price¥6,980
Mozambique Aquamarine 0.292ct Loose Stone
Sale price¥6,980
Mozambique Aquamarine 0.337ct Loose Stone
Sale price¥6,980
American Peridot 0.428ct Loose
Sale price¥6,980
American Peridot 0.339ct Loose Stone
Sale price¥6,980
American Peridot 0.528ct Loose Stone
Sale price¥8,800
Pink Diamond 2.5mm/0.062ct Loose (FANCY PURPLE PINK, SI1) Loose
Sale price¥110,000
Pink Diamond 1.8mm/0.026ct Loose (FANCY INTENSE PURPLE PINK, I1) Loose
Sale price¥55,800
Colombian mint color emerald 0.383ct loose stone
Sale price¥12,800
Colombian mint color emerald 0.158ct loose stone
Sale price¥5,980
Colombian mint color emerald 0.136ct loose stone
Sale price¥6,980
Colombian mint color emerald 0.155ct loose stone
Sale price¥7,980
Brazilian Santa Maria Aquamarine 0.161ct loose stone
Sale price¥5,980
Brazilian Santa Maria Aquamarine 0.178ct loose stone
Sale price¥6,980
[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
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
"Yurakucho Marui 2024112" Bicolor Tanzanite 1.677ct rough stone
Sale price¥8,800
Bicolor Tanzanite 3.856ct rough stone
Sale price¥19,800
"Yurakucho Marui 2024112" Bicolor Tanzanite 5.582ct rough stone
Sale price¥29,800
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.
