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Specially selected items

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Sold out Initial D × KARATZ 30th Anniversary Coins (24K Gold, Pure Silver)
Sold out [Sales end on Thursday, April 30th] Anime "Overlord" x KARATZ Jewelry Store Collaboration Ring of Ainz Ooal Gown (Limited Quantity)
Sold out [Final Orders Accepted - On Sale November 21st (Fri) at 10 PM] Limited to 30 Coins: "PSYCHO-PASS: PROVIDENCE" x KARATZ Collaboration Pure Gold (24K) Coin
Sold out SoftBank Hawks 20th Anniversary "Pure Gold Oban" (10g)
Sold out [Final Orders Accepted - On Sale November 21st (Fri) at 10 PM] {Limited to 30} "PSYCHO-PASS: PROVIDENCE" x KARATZ Collaboration Pure Platinum (PT999) Coin
Sold out ラベンダー翡翠(ヒスイ) 78.496ctルース 中宝
Sold out 【さくらインカット】オレゴンサンストーン 1.55ctルース - カラッツSTORE
Sold out Benitoite 0.338ct loose stone
Sold out ピンクダイヤモンド(クッションカット) 0.157ctルース(FANCY DEEP PUPPLE PINK, I1)
Sold out マダガスカル産バイカラースフェーン 4.494ctルース
Sold out Non-Oil Emerald 0.555ct Loose Stone by Nikkei
Sold out ボリビア産フォスフォフィライト 0.448ctルース
Sold out カンボジア産ブルージルコン(ラタナキリブルー) 23.105ctルース 鑑別書
Sold out コロンビア産パイライトインエメラルド 2.780ctルース
Sold out 【12562747掲載】マダガスカル産非加熱ティールグリーンサファイア 1.740ctルース
Sold out ブラジル産パーティカラーパライバトルマリン 0.260ctルース
Sold out 0.430ct Unheated Sapphire Loose Stone from Kashmir
Sold out 【12562701掲載】ブラジル産バイカラートルマリン 4.554ctルース
Sold out ボリビア産フォスフォフィライト 0.512ctルース
Sold out ボリビア産フォスフォフィライト 0.300ctルース
Sold out [Sales End April 30 (Thu)] Anime "Overlord" x KARATZ Jewelry Store Collaboration Shalltear [Spuitrans] Figurine《Limited Quantity》
Sold out 【12552511掲載】ピンクダイヤモンド 0.296ctルース
Sold out Colombian oil-free emerald 0.17ct loose GIA

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.

KARATZ・Five Commitments

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.