Demantoid garnet from Madagascar 0.062ct loose
Sale price¥11,800
Montana Sapphire 3mm/0.149ct Loose (Rock Creek)
Sale price¥19,800
Benitoite 2.7mm/0.104ct loose
Sale price¥29,800
Tagtupite from Greenland 0.236ct loose
Sale price¥18,800
FANCY INTENSE YELLOW, SI-1
Sale price¥25,800
Kunzite 13.700ct loose
Sale price¥19,800
Colombian trapiche emerald (reverse trapiche) 0.107ct rough stone
Sale price¥14,800
《Yurakucho Marui 2024112 takeout》Colombian emerald 0.156ct loose stone
Sale price¥19,800
[Koshu precious stone Kiriko plusthree] Citrine 1.121ct loose with patch
Sale price¥29,800
Color change Andesine 0.665ct loose
Sale price¥15,800
Color change Andesine 0.749ct loose
Sale price¥15,800
Myanmar star spinel 1.160ct loose
Sale price¥18,800
Star spinel from Myanmar 1.252ct loose
Sale price¥18,800
Star spinel from Myanmar 1.004ct loose
Sale price¥16,800
Star spinel from Myanmar 0.544ct loose
Sale price¥12,800
Russian demantoid garnet (horsetail recognized) 3mm/0.138ct loose
Sale price¥24,800
Colombian Euclase 2.071ct rough stone
Sale price¥24,800
Colombian Euclase 1.496ct rough stone
Sale price¥25,800
[Mr. KEN] Golden Sheen Sapphire from Tanzania 0.495ct loose
Sale price¥14,800
[KEN] Bicolor tourmaline 1.006ct loose
Sale price¥12,800
Cornel pin 1.011ct loose
Sale price¥12,800
Hackmanite 0.536ct loose
Sale price¥15,800
Hackmanite 0.507ct loose
Sale price¥15,800
[KEN] Opal 0.458ct loose
Sale price¥12,800
[KEN] Opal from Mexico 0.561ct loose
Sale price¥19,800
Colombian Euclase 1.365ct rough stone
Sale price¥29,800
Red beryl 0.085ct loose
Sale price¥15,800
[Dandelion Cut] Danburite 8.25mm/2.080ct《Collaboration》Loose with patch
Sale price¥29,800
[Dandelion cut] Danburite 7mm/1.364ct loose with patch
Sale price¥25,800
[Sakura Incut] Danburite 8.25mm/1.719ct《Collaboration》Loose with emblem
Sale price¥29,800
Conch pearl (with flame pattern) 0.731ct loose
Sale price¥12,800
Colombian trapiche emerald (reverse trapiche) 0.178ct rough stone
Sale price¥18,800
Colombian pyrite emerald 46.182ct rough stone
Sale price¥14,800
Mexican cantera opal 12.401ct loose
Sale price¥15,800
Benitoite 2.7mm/0.114ct loose
Sale price¥27,800
Color change Andesine 0.794ct loose
Sale price¥15,800
Star spinel 1.295ct loose
Sale price¥15,800
[Cat cut] Rubellite 7mm/1.540ct loose
Sale price¥19,800
Brazilian Alexandrite 0.116ct loose stone (Yurakucho Marui 2024112)
Sale price¥17,800
Brazilian garden quartz 20.526ct loose (faceted cut)
Sale price¥12,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.827ct loose
Sale price¥12,800
[Mr. KEN] Fire opal from Mexico 0.359ct loose
Sale price¥19,800
Benitoite 2.4mm/0.077ct loose
Sale price¥18,800
[Rouge cut] Almandine garnet 4.929ct loose
Sale price¥15,800
[Mr. Sanjay] Synthetic rutile 5mm/0.642ct loose
Sale price¥15,800
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.