Brazilian Blue Topaz 14.890ct Loose
Sale price¥14,800
Conch pearl 0.800ct loose
Sale price¥28,800
Bismuth night rose quartz 4.680ct loose
Sale price¥12,800
Rainbow Scapolite 0.920ct loose
Sale price¥11,800
Red beryl 0.104ct loose
Sale price¥19,800
Moss Agate 19.271ct loose (leaf carving)
Sale price¥15,800
Smithsonite 5.590ct loose
Sale price¥22,800
YAG (yttrium aluminum garnet) 1.870ct loose
Sale price¥12,800
Tinkerbell quartz (pink fire quartz) 5.960ct loose
Sale price¥29,800
Kenyan gold sheen sapphire 2.3mm/0.080ct loose
Sale price¥11,800
Kenyan gold sheen sapphire 2.4mm/0.086ct loose
Sale price¥12,800
[Cat cut] Blue green tourmaline 5.5mm loose
Sale price¥12,800
Color change andesine 0.670ct loose stone from Yurakucho Marui 2024112
Sale price¥11,800
Kenyan gold sheen sapphire 0.257ct loose
Sale price¥29,800
Color change Andesine 1.857ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.134ct loose (CuO:0.8%, MnO:2.3%)
Sale price¥29,800
Hessonite garnet 3.789ct loose
Sale price¥14,800
Chlorite in quartz 27.725ct loose
Sale price¥19,800
Kenyan gold sheen sapphire 2.5mm/0.092ct loose
Sale price¥11,000
[Mr. KEN] Parti-color tourmaline from Africa 1.121ct loose (tricolor)
Sale price¥29,800
Mexican fire agate 3.613ct loose
Sale price¥19,800
Sri Lankan star sapphire 1.773ct loose
Sale price¥12,800
Mexican fire agate 1.229ct loose
Sale price¥15,800
Mexican fire agate 5.519ct loose
Sale price¥15,800
Mexican fire agate 7.564ct loose
Sale price¥14,800
Colombian emerald 4.205ct rough stone
Sale price¥15,800
Cantera Opal 46.175ct loose
Sale price¥19,800
Bicolor tourmaline 3.080ct loose
Sale price¥14,800
[KEN] Fire opal from Mexico 1.190ct loose
Sale price¥25,800
[Mr. KEN] Danburite from Mexico 1.612ct loose (phantom cut)
Sale price¥12,800
[KEN] Green Beryl 1.192ct loose
Sale price¥12,800
Colombian emerald 10.708ct rough stone
Sale price¥14,800
Mexican fire agate 5.86ct loose
Sale price¥18,800
Mexican fire agate 8.69ct loose
Sale price¥19,800
《Yurakucho Marui 2024112 takeout》Sphene 0.76ct loose stone
Sale price¥12,800
《Yurakucho Marui 2024112 takeout》Sphene 0.880ct loose stone
Sale price¥14,800
Sphene 0.940ct loose
Sale price¥14,800
Bicolor spinel 0.737ct loose
Sale price¥29,800
[Mr. KEN] African pink tourmaline 1.006ct loose (phantom cut)
Sale price¥12,800
Burmese spinel 0.950ct loose (buff top)
Sale price¥19,800
Red beryl 0.173ct loose
Sale price¥29,800
[KEN] Danburite from Mexico 2.780ct loose (phantom cut)
Sale price¥15,800
[Mr. KEN] Burmese bicolor spinel 0.366ct loose
Sale price¥15,800
Brazilian Pink Imperial Topaz 0.158ct Loose Stone
Sale price¥12,800
[Mr. KEN] Burmese purple spinel 0.730ct loose
Sale price¥14,800
[Mr. KEN] California axinite 1.150ct loose (phantom cut)
Sale price¥15,800
Forsterite from Burma 0.887ct Ruth Japanese German edition
Sale price¥24,800
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.
