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
Trapiche emerald 0.650ct loose (reverse trapiche)
Sale price¥8,800
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
Burmese bicolor spinel 0.849ct loose
Sale price¥39,800
Star sapphire 0.973ct loose
Sale price¥5,980
Burmese unheated ruby 1.354ct loose
Sale price¥59,800
[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 1.527ct loose
Sale price¥9,800
Smithsonite 1.147ct loose
Sale price¥6,580
[Mr. KEN] Danburite from Mexico 1.612ct loose (phantom cut)
Sale price¥12,800
[KEN] Fire opal from Mexico 1.190ct loose
Sale price¥25,800
Bloodshot Iolite Sunstone 1.150ct Loose
Sale price¥5,980
Zircon 1.430ct loose
Sale price¥6,980
Diaspore 0.984ct loose
Sale price¥6,980
Diaspore 0.902ct loose
Sale price¥5,980
Chrysoberyl cat's eye 1.080ct loose
Sale price¥8,800
Russian demantoid garnet (horsetail recognized) 4.4mm/0.394ct loose
Sale price¥88,800
Mexican fire agate 1.229ct loose
Sale price¥15,800
Sri Lankan star sapphire 1.773ct loose
Sale price¥12,800
Tanzanite 1.360ct loose stone
Sale price¥49,800
Russian demantoid garnet (horsetail recognized) 4.6mm/0.423ct loose
Sale price¥98,000
Cobalt Garnite 0.175ct Loose Japanese-German Edition
Sale price¥49,800
Paraiba tourmaline from Brazil 0.134ct loose (CuO:0.8%, MnO:2.3%)
Sale price¥29,800
Color change Andesine 1.857ct loose
Sale price¥29,800
Kenyan gold sheen sapphire 0.257ct loose
Sale price¥29,800
Non-oil red beryl 0.21ct loose GIA
Sale price¥198,000
Bulgarian green sphalerite 1.052ct loose Japanese-German edition
Sale price¥128,000
[KEN] Fire opal 0.448ct loose
Sale price¥6,980
Red beryl 0.104ct loose
Sale price¥19,800
Blue Garnite 0.794ct Loose Japanese-German Edition
Sale price¥148,000
Paudlettite 0.375ct loose Japanese-German book
Sale price¥298,000
Color change andesine 0.670ct loose stone from Yurakucho Marui 2024112
Sale price¥11,800
Bicolor tourmaline 0.952ct loose
Sale price¥12,800
Bicolor tourmaline 0.431ct loose
Sale price¥6,980
Rainbow Scapolite 0.920ct loose
Sale price¥11,800
Rainbow Scapolite 0.840ct loose
Sale price¥9,800
Rainbow Scapolite 0.750ct loose
Sale price¥8,800
Bismuth night rose quartz 1.480ct loose
Sale price¥3,980
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.