Mexican Fire Opal 1.138ct Loose
Sale price¥15,800
Mexican Fire Opal 0.832ct Loose
Sale price¥9,800
Mexican Fire Opal 1.891ct Loose
Sale price¥24,800
Mexican Fire Opal 1.104ct Loose
Sale price¥9,800
Mexican Fire Opal 0.403ct Loose
Sale price¥9,800
Mexican Fire Opal 0.277ct Loose (Faceted Cut)
Sale price¥5,980
Mexican Fire Opal 0.102ct Loose (Faceted Cut)
Sale price¥6,980
Mexican Fire Opal 0.472ct Loose (Star Cut, Faceted Cut)
Sale price¥9,800
Mexican Fire Opal 0.564ct Loose (Faceted Cut)
Sale price¥15,800
Mexican Fire Opal 0.290ct Loose (Faceted Cut)
Sale price¥8,800
Mexican Fire Opal 1.374ct Loose
Sale price¥45,800
Mexican fire opal 4.342ct loose
Sale price¥19,800
Mexican Fire Opal 0.890ct Loose
Sale price¥6,980
Fire opal 7mm/1.030ct loose stone
Sale price¥39,800
Mexican Fire Opal 0.929ct Loose
Sale price¥12,800
Mexican Fire Opal 4.5mm/0.244ct Loose
Sale price¥12,800
Mexican Fire Opal 1.150ct Loose
Sale price¥39,800
Mexican fire opal 6.742ct loose
Sale price¥98,000
Mexican fire opal 6mm/0.737ct loose (rose cut)
Sale price¥19,800
Mexican fire opal 6mm/0.756ct loose (rose cut)
Sale price¥18,800
Mexican fire opal 6mm/0.698ct loose (rose cut)
Sale price¥18,800
Mexican Fire Opal 1.808ct Loose
Sale price¥35,800
Mexican Fire Opal 1.624ct Loose
Sale price¥32,800
Mexican Fire Opal 0.359ct Loose
Sale price¥19,800
Mexican Fire Opal 5mm/0.342ct Loose
Sale price¥18,800
[Star in cut] Mexican fire opal 7mm/0.678ct loose with patch
Sale price¥49,800
Mexican Fire Opal 0.353ct Loose
Sale price¥6,980
Mexican fire opal 0.230ct loose
Sale price¥6,980
Mexican Fire Opal 0.591ct Loose
Sale price¥35,800
Fire opal 1.547ct loose
Sale price¥12,800
[Koshu Precious Stone Kiriko] Mexican Fire Opal 1.571ct Loose with Patch
Sale price¥79,800
[Camellia cut] Mexican fire opal 1.270ct loose with patch
Sale price¥98,000
Mexican Fire Opal 1.30ct Loose
Sale price¥6,980
Mexican Fire Opal 1.190ct Loose
Sale price¥25,800
Fire opal 0.448ct loose stone
Sale price¥6,980
Fire opal 1.360ct loose
Sale price¥25,800
Mexican fire opal 0.980ct loose
Sale price¥25,800
Mexican Fire Opal 1.580ct Loose
Sale price¥35,800
Mexican Fire Opal 1.330ct Loose
Sale price¥35,800
Mexican Fire Opal 1.610ct Loose
Sale price¥35,800
Fire opal 3.160ct loose
Sale price¥39,800
Fire Opal 2 Stone Pair 4mm/0.336ct Loose
Sale price¥6,980
Fire opal 1.290ct loose
Sale price¥8,800
Fire opal 2 stone set 1.440ct loose
Sale price¥8,800
Fire opal 1.381ct loose stone
Sale price¥6,980
Fire opal 0.937ct loose stone
Sale price¥4,980

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.