Sri Lankan Goethite Into Topaz 3.200ct loose
Sale price¥7,980
White topaz 16.06ct loose
Sale price¥29,800
Topaz 2.628ct loose
Sale price¥3,980
Brazilian imperial topaz 3.287ct loose
Sale price¥18,800
Blue topaz 5mm/0.527ct loose
Sale price¥3,980
Blue Topaz 5.1mm/0.511ct Loose
Sale price¥4,980
Blue Topaz 4.5mm/0.422ct Loose
Sale price¥3,980
Brazilian imperial topaz 0.467ct loose
Sale price¥15,800
Topaz cat's eye 8.781ct loose
Sale price¥12,800
Topaz cat's eye 7.869ct loose
Sale price¥11,800
Bicolor imperial topaz 1.725ct loose
Sale price¥98,000
Brazilian Pink Imperial Topaz 1.907ct Loose Japanese-German Edition
Sale price¥118,000
Brazilian Blue Topaz 14.890ct Loose
Sale price¥14,800
[Koshu Precious Stone Kiriko] Swiss Blue Topaz 3.09ct Loose with Patch
Sale price¥45,800
Mexican Topaz 1.50ct Loose
Sale price¥15,800
Topaz 1.680ct loose stone
Sale price¥22,800
Mexican Topaz 1.66ct Loose Stone
Sale price¥18,800
Brazilian Pink Imperial Topaz 2.794ct Loose Japanese-German Edition
Sale price¥158,000
White topaz 6.680ct loose
Sale price¥29,800
[Sakura Incut] Sky Blue Topaz 12mm Loose with Patch
Sale price¥49,800
[Cat cut] Pt900 Swiss blue topaz 0.41ct earrings
Sale price¥25,800
Brazilian Pink Imperial Topaz 1.511ct Loose Japanese-German Edition
Sale price¥98,000
Brazilian Pink Imperial Topaz 0.909ct Loose Japanese-German Edition
Sale price¥69,800
White topaz 2 stone set 4.240ct loose
Sale price¥8,800
White topaz 4.030ct loose
Sale price¥8,800
Imperial topaz 0.740ct loose
Sale price¥25,800
Brazilian pink imperial topaz 0.391ct loose
Sale price¥39,800
Brazilian pink imperial topaz 0.158ct loose
Sale price¥12,800
[Sakura Incut] Blue Topaz 15.640ct Loose with Patch
Sale price¥59,800
[Colorful] Pt900 blue topaz ring
Sale price¥69,800
[Dandelion Cut] London Blue Topaz 6.750ct Loose with Patch
Sale price¥49,800
[Dandelion Cut] London Blue Topaz 6.570ct Loose with Patch
Sale price¥59,800
Topaz 2.240ct loose
Sale price¥8,800
White topaz 3.780ct loose
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.