![[On sale May 23rd at 10 PM] "Limited 9 Stones - Shinjuku Pop-Up Celebration" All stones with Central Gem Laboratory sorting (3.0-3.5mm, VS-SI clarity) "Multiple purchase discount available"](http://store.karatz.jp/cdn/shop/files/collage_f4ce5d64-8804-46cd-8a67-6e5dfa2be8a9.png?v=1785924412&width=4000)
【8/30 22時販売】マダガスカル産サファリン 0.164ctルース 鑑別書
Sale price¥12,800
【8/30 22時販売】マダガスカル産サファリン 0.145ctルース 鑑別書
Sale price¥11,800
【8/30 22時販売】コロンビア産ミントカラーエメラルド 0.359ctルース
Sale price¥12,800
【8/30 22時販売】ブルーサファイア 0.176ctルース
Sale price¥14,800
【8/29 22時販売】タンザニア産パープルスピネル 0.751ctルース
Sale price¥18,800
【8/29 22時販売】ロシア産デマントイドガーネット（ホーステール認む） 2.7mm/0.093ctルース
Sale price¥14,800
[12553609] Swiss Blue Topaz 3.230ct Loose
Sale price¥25,800
Brazilian Euclase 0.224ct Loose Stone (Bicolor Euclase)
Sale price¥18,800
Brazilian Euclase 0.213ct loose stone (bicolor Euclase)
Sale price¥12,800
Synthetic Alexandrite 0.841ct loose stone
Sale price¥15,800
Mexican Fire Agate 6.090ct Loose Stone
Sale price¥12,800
【9/1 22時販売】コロンビア産エメラルド 0.123ctルース
Sale price¥18,800
【9/1 22時販売】アメリカ産ペリドット 1.280ctルース
Sale price¥18,800
【9/1 22時販売】タンザニア産ツァボライト 0.366ctルース
Sale price¥13,800
【9/1 22時販売】アフガニスタン産ミントカラートルマリン 0.290ctルース
Sale price¥14,800
【9/1 22時販売】ブラジル産パライバトルマリンインクォーツ 4.3mm/0.327ctルース
Sale price¥18,800
【9/2 22時販売】マダガスカル産サファリン 0.166ctルース 鑑別書
Sale price¥13,800
【8/31 22時販売】パキスタン産アキシナイト（ブルーティント） 0.263ctルース
Sale price¥18,800
Russian rough diamond (sawable) 0.101ct loose
Sale price¥22,800
[Published 12562277] Brazilian Marcasite in Quartz Loose Stone 4.188ct
Sale price¥12,800
[Listed as 12563354] Jeremejevite from Namibia, 0.103ct Loose Stone
Sale price¥25,800
[Featured in 12563725] Sri Lankan Pink Sapphire 0.319ct Loose
Sale price¥29,800
[Featured in 22602706] [Calafuri] K18WG Turquoise Earrings
Sale price¥24,800
![[Published on 22602652] [Colorful] K18 Synthetic Opal Pendant Top](http://store.karatz.jp/cdn/shop/files/collage_a6b9c743-f455-4833-96ce-6fd9b0d6dd4b.png?v=1787359048&width=2000)
[Published on 22602652] [Colorful] K18 Synthetic Opal Pendant Top
Sale price¥16,800
[Posted 12549460] Star peridot from Myanmar 3.748ct loose
Sale price¥19,800
[On sale August 25th, 10 PM] Ruby 0.168ct Loose Stone
Sale price¥11,800
[On sale August 25th at 10 PM] Ruby loose stone, 0.268ct
Sale price¥15,800
[On sale August 23rd at 10 PM] US Oregon Sunstone 6.0mm/ 0.729ct Loose
Sale price¥18,800
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.
So that more people can feel closer to jewellery and enjoy it easily.
We will introduce KARATZ's thoughts on products, the attention to detail and efforts in selecting gemstones and creating jewelry.
KARATZ's Initiatives and Social Contributions
We will introduce KARATZ's efforts, including nurturing the next generation and business collaboration to develop the industry, and supporting children in Sri Lanka, the land of jewels.
KARATZ Books
These are books that KARATZ has been involved in writing, supervising, and planning. They are all books that allow you to enjoy gemstones from various angles. You can also purchase them directly.
jeweler's tools
For those who want to enjoy jewelry more but don't know what tools to use, we will introduce tools that are also used by KARATZ staff. You can also purchase them directly.