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2025年新春福袋🎍多色性の宝石９石入り＜小サイズ＞（コーネルピン・アンダリュサイト・タンザナイト・アイオライトなど）《1.5万円相当》【福袋まとめて購入割引】 Sale price¥8,888

宝石研磨に挑戦してみよう「自分で出来る原石磨きセット」（中級者向け：アンデシン）

Let's try gemstone polishing "Do-it-yourself rough stone polishing set" (for intermediate users: iolite rough stone) Sale price¥2,980

【12/12 22時販売】インド産アイオライトサンストーン 0.424ctルース Sale price¥9,800

【12/13 22時販売】インド産アイオライトサンストーン 0.359ctルース Sale price¥12,800

【12/12 22時販売】インド産アイオライトサンストーン 0.364ctルース Sale price¥8,800

【12/13 22時販売】インド産アイオライトサンストーン 0.325ctルース Sale price¥9,800

【12/13 22時販売】インド産アイオライトサンストーン 4.1mm/0.230ctルース Sale price¥8,800

[On sale at 10pm on 11/14] Indian Iolite Sunstone 0.353ct Loose Sale price¥8,800

[On sale 11/10 at 22:00] Indian Iolite Sunstone 0.255ct Loose Sale price¥5,980

[11/4 22:00 Sale] Sri Lankan Colorless Iolite (Cordierite) 4.023ct Loose Stone, Japan-Germany Exchange Sale price¥69,800

《Yurakucho Marui 2024112 takeout》K18 Indian iolite sunstone 0.73ct tanzanite ring Sale price¥188,000

[Sakura Shape] Indian Iolite 7mm/1.257ct Loose Stone Patch Sale price¥39,800

【スタッフセレクション】　【KEN氏】タンザニア産アイオライト 3.7mm/0.150ctルース（セミオーダーメイドセット）

[Staff Selection] [Mr. KEN] Tanzanian Iolite 3.7mm/0.150ct Loose Stone (Semi-Custom Made Set) Sale price¥47,800

[12552306] Iolite 14.158ct loose stone Sale price¥258,000

[Staff Selection] [Mr. KEN] Tanzanian Iolite 5.5mm/0.589ct Loose Stone (Semi-Custom Made Set) Sale price¥47,800

Golden Iolite (Cordierite) 0.341ct loose stone Sale price¥6,980

《Yurakucho Marui 2024112 takeout》Golden Iolite (Cordierite) 0.321ct loose stone Sale price¥12,800

《Yurakucho Marui 2024112 Takeout》Bloodshot Iolite Sunstone 2.121ct Loose Sale price¥14,800

Limited to 6 stones: Aquamarine + Iolite loose stone set of 2 (March birthstone) Multiple purchase discounts available Sale price¥2,980

Bloodshot Iolite Sunstone 1.250ct Loose Sale price¥12,800

《Yurakucho Marui 2024112 takeout》 [Mr. KEN] Tanzanian iolite 0.942ct loose stone Sale price¥9,800

[KEN] Iolite from Tanzania 0.868ct loose Sale price¥8,800

【甲州貴石切子plusthree】アイオライトサンストーン 1.163ct《コラボ》ルース《灯》ワッペン付

[Koshu precious stone Kiriko plusthree] Iolite sunstone 1.163ct 《Collaboration》 Loose 《Light》 Patch included Sale price¥29,800

[Konpeito] Iolite 3.746ct loose Sale price¥25,800

Bloodshot Iolite Sunstone 3.210ct Loose Sale price¥8,800

Bloodshot Iolite Sunstone 1.150ct Loose Sale price¥5,980

[Konpeito] Iolite 3.170ct loose Sale price¥27,800

Bloodshot Iolite Sunstone 1.090ct Loose Sale price¥15,800

《Yurakucho Marui 2024112 Takeout》Bloodshot Iolite Sunstone 3.740ct Loose Sale price¥34,800

Bloodshot Iolite Sunstone 7.630ct Loose Sale price¥59,800

Bloodshot Iolite Sunstone 1.920ct Loose Sale price¥8,800

Bloodshot Iolite Sunstone 1.300ct Loose Sale price¥7,980

[KEN] Iolite from Tanzania 1.157ct loose Sale price¥9,800

【12523740掲載】ブラッドショットアイオライトサンストーン 1.000ctルース

Bloodshot Iolite Sunstone 1.00ct Loose Sale price¥14,800

【12523588掲載】ブラッドショットアイオライトサンストーン 1.110ctルース

Bloodshot Iolite Sunstone 1.110ct Loose Stone Sale price¥19,800

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【再入荷】鉱物標本スタンドとサンストーンorアイオライトの2点セット - KARATZ STORE｜カラッツSTORE

[Restocked] 2-piece set of mineral specimen stand and sunstone or iolite

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Iolite rough stone/loose 2 stone set《Multiple purchase discount available》

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◆完売◆2025年新春福袋🎍多色性の宝石９石入り<大サイズ＞（コーネルピン・アンダリュサイト・タンザナイト・アイオライトなど）《3万円相当》【福袋まとめて購入割引】

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Brazilian iolite sunstone 1 stone loose《Multiple purchase discount available》

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Limited to 10 stones: 1 Golden Iolite (Cordierite) stone from Madagascar. Discounts available for multiple purchases.

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Brazilian iolite 1 stone loose (trilliant cut, 6mm)《Multiple purchase discount available》

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ジェムガチャ💎アイオライト1石（アイオライトサンストーン含む）〜3月誕生石〜《複数購入割引有》

Gem Gacha💎 1 Iolite Stone (including Iolite Sunstone) ~March Birthstone~

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Limited to 10 stones: 1 Golden Iolite (Cordierite) stone from Madagascar. Discounts available for multiple purchases.

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ジェムガチャ💎ロゼンジカットのアイオライト1石（アイオライトサンストーン含む）〜3月誕生石〜《複数購入割引有り》

Gem Gacha💎1 Lozenge-cut Iolite (including Iolite Sunstone) ~March Birthstone~

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アイオライト（ピクセルカット,6×4mm） - KARATZ STORE｜カラッツSTORE

Indian Iolite Sunstone 0.395ct Loose Stone

KARATZ Custom Made

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.

KARATZ・Five Commitments