Synthetic moissanite 6.5mm/0.985ct loose
Sale price¥15,800
Sapphire from Sri Lanka (Safarin) 0.245ct loose
Sale price¥18,800
[Koshu precious stone cut plusthree] Citrine 0.962ct loose with patch
Sale price¥29,800
[Koshu precious stone Kiriko plusthree] Citrine 1.137ct loose with patch
Sale price¥29,800
Colorless zircon 1.831ct loose
Sale price¥12,800
Bicolor sapphire 1.020ct loose
Sale price¥69,800
[Camellia cut] Rock crystal 1.653ct loose with patch
Sale price¥7,980
[Mr. KEN] Oregon Sunstone 1.161ct Ruth
Sale price¥12,800
Pink tourmaline 0.377ct loose
Sale price¥5,980
Pink tourmaline 0.506ct loose
Sale price¥7,980
Pink tourmaline 0.553ct loose
Sale price¥8,800
Pink tourmaline 1.011ct loose
Sale price¥12,800
Pink tourmaline 0.734ct loose
Sale price¥9,800
Bicolor tourmaline 0.851ct loose
Sale price¥15,800
Bicolor tourmaline 1.440ct loose
Sale price¥15,800
Bicolor tourmaline 1.704ct loose
Sale price¥19,800
Bicolor tourmaline 0.965ct loose
Sale price¥12,800
Bicolor tourmaline 1.024ct loose
Sale price¥22,800
Bicolor tourmaline 1.497ct loose
Sale price¥19,800
Pink tourmaline 1.567ct loose
Sale price¥22,800
[Dandelion cut] Pink tourmaline 6mm/0.674ct loose with patch
Sale price¥35,800
Ice ruby from Greenland 3.4mm/ 0.217ct loose with certificate
Sale price¥15,800
[Koshu precious stone cut plusthree] Citrine 0.912ct loose with patch
Sale price¥29,800
[Koshu precious stone Kiriko plusthree] Citrine 1.121ct loose with patch
Sale price¥29,800
[Koshu Precious Stone Kiriko] Mexican Fire Opal 1.571ct Loose with Patch
Sale price¥79,800
[Sakura Incut] Green Moonstone 12mm/5.208ct Loose with Patch
Sale price¥39,800
[Sakura Incut] Mexican water opal 6mm loose with patch
Sale price¥29,800
[Dandelion cut] Fire opal 7mm loose
Sale price¥69,800
[Sakura Incut] Opal from Mexico 6mm/0.481ct loose
Sale price¥35,800
[Camellia cut] Mexican fire opal 1.270ct loose with patch
Sale price¥98,000
Opal from Mexico 1.139ct loose
Sale price¥69,800
Brazilian particolor Paraiba tourmaline 0.26ct loose GIA
Sale price¥598,000
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.
