Yellow Star Sapphire 22.023ct loose
Sale price¥59,800
Sphalerite 82ct raw stone
Sale price¥25,800
Sphalerite 69.210ct rough stone
Sale price¥25,800
Unheated bicolor Paraiba tourmaline 0.105ct loose stone GIA
Sale price¥198,000
Apatite cat's eye 3.530ct loose
Sale price¥39,800
Apatite cat's eye 1.923ct loose
Sale price¥25,800
Apatite cat's eye 1.951ct loose
Sale price¥29,800
[Mr. KEN] Ametrine 0.860ct loose from Madagascar
Sale price¥6,980
Oregon Sunstone 5mm loose (rose cut)
Sale price¥6,980
Oregon sunstone 5mm loose (rose cut)
Sale price¥5,980
Oregon Sunstone 4mm loose (rose cut)
Sale price¥3,980
Pink spinel 0.950ct loose (with crystals)
Sale price¥14,800
Yellow Beryl 0.520ct loose
Sale price¥8,800
[KEN] Danburite from Mexico 2.780ct loose (phantom cut)
Sale price¥15,800
Red spinel 0.240ct loose
Sale price¥8,800
[Koshu Precious Stone Kiriko] Pink Fluorite 5.370ct Loose with Patch
Sale price¥59,800
[Koshu Precious Stone Kiriko] Bicolor Fluorite 4.280ct Loose with Patch
Sale price¥45,800
[KEN] Tanzanian apatite 0.654ct loose
Sale price¥5,980
Aquamarine 0.807ct loose
Sale price¥9,800
Yellow Beryl 0.550ct loose
Sale price¥4,980
Color change garnet 2.243ct loose
Sale price¥15,800
Hessonite garnet 9.870ct loose
Sale price¥14,800
Hessonite garnet 6.780ct loose
Sale price¥12,800
Purple spinel 0.680ct loose
Sale price¥9,800
Spinel 0.790ct loose
Sale price¥9,800
Purple spinel 0.730ct loose
Sale price¥8,800
Oregon Sunstone 0.960ct loose
Sale price¥8,800
Andesine 1.380ct loose
Sale price¥12,800
Andesine 1.370ct loose
Sale price¥12,800
Andesine 1.240ct loose
Sale price¥14,800
Andesine 2.770ct loose
Sale price¥19,800
Red spinel 0.79ct loose
Sale price¥5,980
Red spinel 0.460ct loose
Sale price¥3,980
Aquamarine 9.00ct loose
Sale price¥148,000
Smithsonite 4.210ct loose
Sale price¥14,800
Smithsonite 2.340ct loose
Sale price¥9,800
Smithsonite 2.090ct loose
Sale price¥9,800
Vietnam Pink Sapphire 1.690ct Loose GIA
Sale price¥88,000
Morganite 1.155ct loose
Sale price¥4,980
Fire opal 1.988ct loose
Sale price¥15,800
Morganite 14.183ct loose
Sale price¥39,800
Apatite 2.279ct loose
Sale price¥12,800
[KEN] Danburite from Mexico 0.282ct loose
Sale price¥3,980
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.