Blue zircon 0.232ct loose
Sale price¥5,980
Colombian trapiche emerald (reverse trapiche) 0.178ct rough stone
Sale price¥22,800
Brazilian alexandrite 0.060ct loose
Sale price¥14,800
Brazilian alexandrite 0.151ct loose
Sale price¥29,800
Brazilian alexandrite 0.079ct loose
Sale price¥16,800
Brazilian alexandrite 0.082ct loose
Sale price¥18,800
Brazilian alexandrite 0.081ct loose
Sale price¥16,800
Cornel pin cat's eye 0.422ct loose
Sale price¥4,980
[KEN] Pink spinel from Myanmar 0.325ct loose
Sale price¥8,800
[KEN] Pink spinel from Myanmar 0.294ct loose
Sale price¥6,980
[KEN] Green tourmaline 0.305ct loose
Sale price¥3,980
Sapphire from Sri Lanka (Safarin) 0.245ct loose
Sale price¥18,800
Colombian trapiche emerald (reverse trapiche) 0.101ct rough stone
Sale price¥14,800
Colombian trapiche emerald (reverse trapiche) 0.252ct rough stone
Sale price¥27,800
Colombian trapiche emerald (reverse trapiche) 0.178ct rough stone
Sale price¥18,800
Colombian trapiche emerald (reverse trapiche) 0.147ct rough stone
Sale price¥18,800
Colombian trapiche emerald (reverse trapiche) 0.134ct rough stone
Sale price¥15,800
Pink tourmaline 0.377ct loose
Sale price¥5,980
Ice ruby from Greenland 3.4mm/ 0.217ct loose with certificate
Sale price¥15,800
[Sakura Incut] Mexican water opal 6mm loose with patch
Sale price¥29,800
[Sakura Incut] Opal from Mexico 6mm/0.481ct loose
Sale price¥35,800
Brazilian particolor Paraiba tourmaline 0.26ct loose GIA
Sale price¥598,000
Montebrasite from Madagascar 0.366ct loose
Sale price¥5,980
Montebrasite from Madagascar 0.328ct loose
Sale price¥4,980
Russian demantoid garnet (horsetail recognized) 0.457ct rough stone
Sale price¥12,800
[KEN] Spinel from Myanmar 0.466ct loose
Sale price¥6,980
Brazilian Paraiba tourmaline 0.226ct loose (CuO:0.7%, MnO:2.5%)
Sale price¥45,800
{Yurakucho Marui 2024112 takeout} Bicolor sapphire 0.292ct loose stone
Sale price¥25,800
Grandidierite 0.156ct loose
Sale price¥39,800
Bicolor pink star sapphire from Mogok 0.360ct loose
Sale price¥24,800
Bicolor tourmaline 0.435ct loose (rose cut)
Sale price¥6,980
[Mr. Sanjay] Pink tourmaline 0.482ct loose
Sale price¥6,980
《Yurakucho Marui 2024112 takeout》Ruby 0.194ct loose stone
Sale price¥8,800
[KEN] Zircon 0.371ct loose
Sale price¥3,980
Tagtupite from Greenland 0.477ct loose
Sale price¥14,800
Ruby 0.472ct loose
Sale price¥6,980
Enstatite from Nigeria 0.460ct loose
Sale price¥12,800
Leuko garnet from Myanmar 0.294ct loose
Sale price¥19,800
《Yurakucho Marui 2024112 takeout》 Hackmanite 0.317ct loose stone
Sale price¥39,800
Hackmanite 0.212ct loose
Sale price¥19,800
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.