【4/2 22時販売】タンザニア産サンストーン(イリュージョンサンストーン) 0.381ctルース
Sale price¥7,980
【4/4 22時販売】ブラジル産パライバトルマリン 0.220ctルース(CuO:0.7%,MnO:3.0%)GIT鑑
Sale price¥45,800
【3/25 22時販売】マダガスカル産ピンクサファイア 0.461ctルース
Sale price¥12,800
[12557868] Ethiopian Sunstone 0.565ct Loose
Sale price¥8,800
[12557867] Ethiopian Sunstone 1.563ct Loose
Sale price¥9,800
[12557866] Ethiopian Sunstone 0.985ct Loose
Sale price¥12,800
[12558467] Zimbabwean Apatite (UV type) 2.368ct loose stone
Sale price¥18,800
[On sale at 22:00 on 3/15] Namibian Jeremejevite 0.077ct loose stone JTL
Sale price¥35,800
[On sale at 22:00 on 3/15] Namibian Jeremejevite 0.052ct loose stone JTL
Sale price¥18,800
[On sale at 22:00 on 3/20] Russian phenakite 0.507ct loose stone
Sale price¥19,800
[On sale 3/22 at 10pm] Russian Phenakite 0.449ct loose stone
Sale price¥17,800
[On sale 3/22 at 10pm] Russian Phenakite 0.448ct loose stone
Sale price¥17,800
[On sale at 22:00 on 3/20] Russian phenakite 0.410ct loose stone
Sale price¥15,800
[On sale 3/6 at 22:00] Nigerian Morganite 0.381ct loose stone
Sale price¥5,980
[On sale 3/6 at 22:00] Nigerian Morganite 0.653ct loose stone
Sale price¥7,980
[On sale 3/2 at 22:00] Madagascar pink sapphire 0.486ct loose stone
Sale price¥12,800
[On sale 3/1 at 22:00] Madagascar Yellow Sapphire 0.493ct Loose
Sale price¥9,800
[On sale 3/1 at 22:00] Madagascar Green Sapphire 0.338ct Loose JTL Grade
Sale price¥15,800
[On sale at 10pm on 2/24] Madagascar pink sapphire 0.466ct loose stone
Sale price¥12,800
[On sale at 22:00 on 2/21] Madagascar pink sapphire 0.284ct loose stone
Sale price¥12,800
[On sale from 22:00 on 2/21] Brazilian Imperial Topaz 1.314ct Loose
Sale price¥24,800
[On sale at 10pm on 2/22] 0.392ct loose kornerupine from Tanzania
Sale price¥35,800
[On sale at 10pm on 2/22] 0.172ct loose kornerupine from Tanzania
Sale price¥18,800
Brazilian Dendritic Agate 1.155ct Loose Stone
Sale price¥6,980
Zambian Emerald 0.182ct Loose Stone (Silky Emerald)
Sale price¥9,800
Zambian emerald 0.210ct loose stone
Sale price¥8,800
Sri Lankan Blue Sapphire 0.508ct Loose
Sale price¥7,980
Sri Lankan Blue Sapphire 0.668ct Loose
Sale price¥14,800
Madagascar pink sapphire 0.438ct loose stone
Sale price¥12,800
Madagascar sapphire 0.550ct loose stone
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.