Tanzanian bicolor tanzanite 1.644ct rough and loose stone set of 2
Sale price¥8,800
Hackmanite from Afghanistan, 27.410ct rough stone
Sale price¥9,800
Tanzanian bicolor tanzanite 3.018ct rough and loose stone set of 2
Sale price¥6,980
Hackmanite from Afghanistan, 15.600ct rough stone
Sale price¥8,800
Colombian emerald 1.020ct rough stone
Sale price¥29,800
Bicolor Euclase 1.350ct rough stone from Zimbabwe
Sale price¥45,800
Australian Shell Opal (Shell Opal) 51.801ct Rough Stone
Sale price¥25,800
Myanmar red spinel 0.524ct rough stone (Star of David)
Sale price¥14,800
Myanmar Red Spinel 0.281ct Rough Stone (Star of David)
Sale price¥8,800
Russian diamond rough (sawable) 0.509ct rough (trigon)
Sale price¥168,000
Brazilian Paraiba Tourmaline 16.888ct rough stone
Sale price¥69,800
Fluorite rough stone from Yaogangshan, China, 72.518ct
Sale price¥9,800
Colombian emerald rough stone 1.707ct
Sale price¥18,800
Japanese style twin crystal 5.771ct raw stone
Sale price¥19,800
Japanese style twin crystal 4.727ct raw stone
Sale price¥15,800
Japanese style twin crystal 4.715ct raw stone
Sale price¥15,800
Japanese style twin crystal 3.472ct raw stone
Sale price¥9,800
0.620ct rough stone of Jeremejevite from Namibia
Sale price¥6,980
Brazilian Paraiba Tourmaline 0.759ct rough stone
Sale price¥45,800
Russian diamond rough (sawable) 0.094ct rough
Sale price¥24,800
Brazilian Paraiba Tourmaline 0.821ct rough stone
Sale price¥39,800
Colombian emerald 1.435ct rough stone
Sale price¥18,800
Colombian emerald with pyrite 0.984ct rough
Sale price¥12,800
Tanzanian bicolor tanzanite rough stone 2.750ct
Sale price¥9,800
Oligoclase 41.120ct rough stone
Sale price¥6,980
Australian Shell Opal (Shell Opal) 73.321ct Rough Stone
Sale price¥49,800
Brazilian Watermelon Tourmaline Rough Stone 7.959ct
Sale price¥12,800
Tanzanian bicolor tanzanite rough stone 2.454ct
Sale price¥12,800
Tanzania Purple Zoisite Rough Stone 1.160ct
Sale price¥8,800
Sri Lankan glass body (sapphire crystal) 7.983ct rough stone
Sale price¥29,800
Sri Lankan glass body (sapphire crystal) 6.939ct rough stone
Sale price¥15,800
Sri Lankan glass body (sapphire crystal) 8.654ct rough stone
Sale price¥19,800
Sri Lankan glass body (sapphire crystal) 11.126ct rough stone
Sale price¥29,800
Sri Lankan glass body (sapphire crystal) 8.812ct rough stone
Sale price¥19,800
Sri Lankan glass body (sapphire crystal) 9.933ct rough stone
Sale price¥35,800
Sri Lankan glass body (sapphire crystal) 10.140ct rough stone
Sale price¥29,800
Sri Lankan glass body (sapphire crystal) 8.328ct rough stone
Sale price¥25,800
Sri Lankan glass body (sapphire crystal) 3.939ct rough stone
Sale price¥8,800
Sri Lankan glass body (sapphire crystal) 2.754ct rough stone
Sale price¥8,800
Sri Lankan glass body (sapphire crystal) 2.986ct rough stone
Sale price¥8,800
Sri Lankan glass body (sapphire crystal) 5.355ct rough stone
Sale price¥9,800
Sri Lankan glass body (sapphire crystal) 4.150ct rough stone
Sale price¥9,800
Sri Lankan glass body (sapphire crystal) 6.836ct rough stone
Sale price¥12,800
Sri Lankan glass body (sapphire crystal) 6.612ct rough stone
Sale price¥12,800

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.