[On sale 7/23 at 10pm] Brazilian Topaz Cat's Eye 7.869ct Loose
Sale price¥8,800
[On sale at 10pm on 7/15] Brazilian Imperial Topaz 0.398ct loose stone
Sale price¥12,800
[On sale at 10pm on 7/16] Brazilian Swiss Blue Topaz 1.062ct Loose
Sale price¥9,800
[On sale at 10pm on 7/17] Brazilian Swiss Blue Topaz 1.090ct Loose
Sale price¥9,800
[On sale at 10pm on 7/17] Brazilian bicolor topaz 3.098ct loose stone
Sale price¥29,800
[Koshu precious stone Kiriko plusthree] Swiss blue topaz 26.821ct loose
Sale price¥59,800
Brazilian Swiss Blue Topaz 1.179ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 0.957ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 0.827ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 0.889ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 0.890ct Loose
Sale price¥8,800
Brazilian Swiss Blue Topaz 1.193ct Loose
Sale price¥9,800
Brazilian Swiss Blue Topaz 1.042ct Loose Stone
Sale price¥9,800
Brazilian Swiss Blue Topaz 0.983ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 1.395ct Loose
Sale price¥8,800
Brazilian Swiss Blue Topaz 0.724ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 1.043ct Loose Stone
Sale price¥8,800
Brazilian Blue Topaz 1.355ct Loose
Sale price¥8,800
Brazilian Blue Topaz 0.766ct Loose Stone
Sale price¥6,980
Brazilian Sky Blue Topaz 1.086ct Loose
Sale price¥8,800
Brazilian Madeira Citrine 6.8mm/1.110ct Loose Stone
Sale price¥4,980
Brazilian bicolor topaz 2.618ct loose stone (untreated)
Sale price¥18,800
Brazilian unheated pink imperial topaz (sherry pink) 0.231ct loose stone
Sale price¥18,800
Brazilian Sky Blue Topaz (untreated) 2.560ct loose stone
Sale price¥12,800
Brazilian unheated pink imperial topaz (sherry pink) 0.254ct loose stone
Sale price¥14,800
Brazilian unheated pink imperial topaz (sherry pink) 0.348ct loose stone
Sale price¥12,800
Brazilian Pink Imperial Topaz 1.511ct Loose Japanese-German Edition
Sale price¥69,800
Brazilian Pink Imperial Topaz 0.909ct Loose Japanese-German Edition
Sale price¥39,800

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.