【4/4 22時販売】《限定8石》ブラジル産非加熱インペリアルトパーズ1石ルース《複数購入割引有》
Sale price¥3,980
【4/12 22時販売】ホワイトトパーズ 2.563ctルース(ニードルイントパーズ)
Sale price¥5,980
【4/12 22時販売】ブラジル産バイカラートパーズ 1.932ctルース
Sale price¥18,800
【4/12 22時販売】ブラジル産非加熱ピンクインペリアルトパーズ(シェリーピンク) 0.284ctルース
Sale price¥15,800
【4/2 22時販売】ブラジル産ライモナイトイントパーズ 10.100ctルース
Sale price¥25,800
【4/2 22時販売】ブラジル産シトリン 2.641ctルース
Sale price¥8,800
[Koshu precious stone Kiriko plusthree] Swiss blue topaz 26.821ct loose
Sale price¥59,800
[On sale 3/8 at 10pm] Brazilian Sky Blue Topaz 1.256ct Loose
Sale price¥8,800
[On sale from 22:00 on 2/21] Brazilian Imperial Topaz 1.314ct Loose
Sale price¥24,800
[On sale 2/9 at 10pm] Brazilian Swiss Blue Topaz 17.410ct Loose
Sale price¥27,800
[On sale 2/9 at 10pm] Brazilian Swiss Blue Topaz 11.536ct Loose
Sale price¥14,800
[On sale 2/9 at 10pm] Brazilian Swiss Blue Topaz 10.958ct Loose
Sale price¥14,800
[Sakura Incut] Brazilian Blue Topaz 16mm/15.329ct Loose Patch
Sale price¥39,800
Brazilian Limonite in Topaz 20.777ct loose stone
Sale price¥39,800
Brazilian Limonite in Topaz 8.994ct loose stone
Sale price¥19,800
Brazilian Limonite in Topaz 6.856ct loose stone
Sale price¥29,800
Brazilian Limonite in Topaz 3.986ct loose stone
Sale price¥9,800
Brazilian Sky Blue Topaz (untreated) 2.013ct loose stone
Sale price¥12,800
Brazilian Sky Blue Topaz (untreated) 3.085ct loose stone
Sale price¥19,800
Brazilian bicolor topaz (untreated) 2.278ct loose stone
Sale price¥24,800
Brazilian bicolor topaz (untreated) 1.452ct loose stone
Sale price¥18,800
Brazilian Sky Blue Topaz (untreated) 0.771ct loose stone
Sale price¥9,800
Brazilian Sky Blue Topaz (untreated) 0.968ct loose stone
Sale price¥12,800
Brazilian Sky Blue Topaz (untreated) 1.470ct loose stone
Sale price¥12,800
Brazilian Blue Topaz 2.912ct 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.