Colombian mica in emerald 1.940ct loose
Sale price¥49,800
Colombian mica in emerald 1.314ct loose
Sale price¥39,800
Blue sapphire from Sri Lanka 1.702ct loose (sugar loaf cut)
Sale price¥59,800
Red beryl 0.173ct loose
Sale price¥29,800
Russian demantoid garnet (horsetail recognized) 4.2mm/0.336ct loose
Sale price¥98,000
Burmese spinel 0.950ct loose (buff top)
Sale price¥19,800
[Mr. KEN] African pink tourmaline 1.006ct loose (phantom cut)
Sale price¥12,800
[Mr. KEN] Sillimanite from Sri Lanka 1.586ct loose
Sale price¥12,800
[KEN] American fluorite 0.842ct loose
Sale price¥3,980
Bicolor spinel 0.737ct loose
Sale price¥29,800
[KEN] Opal from Mexico 8mm/1.430ct loose
Sale price¥39,800
Bicolor tourmaline 1.248ct loose
Sale price¥8,800
Bicolor tourmaline 1.097ct loose
Sale price¥6,980
[Mr. KEN] Tourmaline cat's eye 0.810ct loose
Sale price¥4,980
[KEN] Mexican fire opal 1.30ct loose
Sale price¥6,980
Sphene 1.100ct loose
Sale price¥15,800
《Yurakucho Marui 2024112 takeout》Sphene 0.990ct loose stone
Sale price¥15,800
Sphene 0.940ct loose
Sale price¥14,800
《Yurakucho Marui 2024112 takeout》Sphene 0.880ct loose stone
Sale price¥14,800
《Yurakucho Marui 2024112 takeout》Sphene 0.76ct loose stone
Sale price¥12,800
Indigolite tourmaline 0.692ct loose Japanese-German book
Sale price¥14,800
Mexican fire agate 8.69ct loose
Sale price¥19,800
Mexican fire agate 5.86ct loose
Sale price¥18,800
Mexican fire agate 5.14ct loose
Sale price¥19,800
Mexican fire agate 4.260ct loose
Sale price¥15,800
Australian opal 14.837ct loose
Sale price¥118,000
Fluorite 16.786ct loose
Sale price¥9,800
Colombian emerald 10.708ct rough stone
Sale price¥14,800
Chlorite in quartz 27.725ct loose
Sale price¥19,800
Trapiche emerald 0.650ct loose (reverse trapiche)
Sale price¥8,800
Pyrite in quartz 24.672ct loose
Sale price¥9,800
Sea blue chalcedony 5.627ct loose
Sale price¥6,980
Hemimorphite 29.778ct loose
Sale price¥98,000
Diaspore 1.064ct loose
Sale price¥5,980
Diaspore 1.620ct loose
Sale price¥8,800
Diaspore 0.669ct loose
Sale price¥4,980
Idocrace 1.634ct loose
Sale price¥15,800
Star sapphire 0.973ct loose
Sale price¥5,980
Hessonite garnet 3.789ct loose
Sale price¥14,800
Burmese unheated ruby 1.354ct loose
Sale price¥59,800
Fluorite 16.590ct loose with patch
Sale price¥8,800
[Mr. KEN] Danburite from Mexico 1.515ct loose (phantom cut)
Sale price¥12,800
[KEN] Green Beryl 1.192ct loose
Sale price¥12,800
Smithsonite 2.038ct loose
Sale price¥12,800
Smithsonite 3.116ct loose
Sale price¥18,800
Smithsonite 2.687ct loose
Sale price¥14,800
Smithsonite 1.527ct loose
Sale price¥9,800
Smithsonite 1.147ct loose
Sale price¥6,580
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.
