Color change Andesine 5.5mm/0.754ct loose
Sale price¥13,800
Gold Sheen Sapphire 4mm/0.409ct loose
Sale price¥29,800
[Cat cut] Bankacha sapphire 6mm/0.812ct loose
Sale price¥14,800
Sealight 2.737ct loose
Sale price¥22,800
Montana Sapphire 3mm/0.154ct loose
Sale price¥22,800
《Yurakucho Marui 2024112 takeout》Kornerupine 0.843ct loose stone
Sale price¥18,800
Johachidolite from Myanmar 0.614ct loose
Sale price¥29,800
Sri Lankan zircon 2.307ct loose
Sale price¥12,800
《Yurakucho Marui 2024112 takeout》Malawi sapphire 3mm/0.144ct loose stone
Sale price¥22,800
[Sakura Incut] Mexican water opal 6mm loose with patch
Sale price¥29,800
[Dandelion Cut] Danburite 8mm/1.860ct《Collaboration》Loose with patch
Sale price¥29,800
Montana Sapphire 0.119ct loose
Sale price¥16,800
《Yurakucho Marui 2024112 takeout》Topaz Cat's Eye 7.869ct Loose
Sale price¥11,800
Topaz cat's eye 8.781ct loose
Sale price¥12,800
Andesine Labradorite (commonly known as Rainbow Moonstone) 0.977ct loose
Sale price¥22,800
American Anthill Garnet (Chrome Pyrope Garnet) 5mm/0.540ct Loose
Sale price¥22,800
Hauinite 0.074ct loose
Sale price¥19,800
《Yurakucho Marui 2024112 takeout》Myanmar Forsterite 0.397ct loose stone
Sale price¥19,800
Rubellite from Mozambique 0.948ct loose
Sale price¥24,800
Rubellite from Mozambique 0.780ct loose
Sale price¥15,800
Rubellite from Mozambique 0.748ct loose
Sale price¥14,800
Sphene from Madagascar 0.765ct loose
Sale price¥19,800
《Yurakucho Marui 2024112 takeout》Madagascar sphene 0.711ct loose stone
Sale price¥19,800
Peridot 8.8mm/2.405ct loose
Sale price¥22,800
Afghanite 0.163ct loose
Sale price¥12,800
Synthetic alexandrite 1.552ct loose
Sale price¥25,800
Unheated silky pink sapphire from Vietnam 0.336ct loose
Sale price¥18,800
Unheated silky pink sapphire from Vietnam 0.439ct loose
Sale price¥25,800
Oregon Sunstone 1.203ct loose
Sale price¥18,800
Brazilian green beryl cat's eye 1.022ct loose
Sale price¥11,000
Pink fluorite 12.690ct loose
Sale price¥12,800
Australian boulder opal 9.020ct loose
Sale price¥19,800
Australian boulder opal 14.860ct loose
Sale price¥19,800
Australian boulder opal 13.190ct loose
Sale price¥19,800
Red beryl 0.079ct loose
Sale price¥19,800
Red beryl 0.096ct loose
Sale price¥24,800
Tanzanite 1.180ct loose
Sale price¥24,800
Benitoite 0.086ct loose
Sale price¥21,800
Benitoite 0.091ct loose
Sale price¥23,800
Benitoite 0.095ct loose
Sale price¥24,800
Color change garnet from Madagascar 0.855ct loose
Sale price¥12,800
Brazilian imperial topaz 0.467ct loose
Sale price¥15,800
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.