¥30,000 - ¥50,000

【12/29 22時販売】マダガスカル産グランディディエライト 0.167ctルース Sale price¥39,800

【12/29 22時販売】パキスタン産ラズライト（天藍石） 0.171ctルース Sale price¥49,800

【1/6 22時販売】スリランカ産ブルースピネル 1.218ctルース鑑別書 Sale price¥45,800

【12/31 22時販売】ピジョンブラッドルビー 0.170ctルース AIGS Sale price¥39,800

【12/25 22時販売】コロンビア産エメラルドキャッツアイ 0.959ctルース Sale price¥45,800

【12/25 22時販売】コロンビア産エメラルドキャッツアイ 1.121ctルース Sale price¥49,800

【12/25 22時販売】カナダ産アンモライト 17.043ctルース Sale price¥49,800

【12/25 22時販売】メキシコ産ファイアーアゲート 8.033ctルース Sale price¥39,800

American benitoite 0.187ct loose Sale price¥39,800

Tanzanian orange zircon 3.804ct loose Sale price¥35,800

[12/6 22:00] Mexican Fire Agate 17.936ct Loose Stone Sale price¥49,800

[12/10 22:00] Mali Garnet (Grossular/Andradite Garnet) 1.008ct Loose Stone from the Republic of Mali with Certificate of Authenticity Sale price¥35,800

[12561743] Tibetan Andesine 0.814ct Loose Stone Sale price¥49,800

[12561742] Tibetan Bicolor Andesine 0.791ct Loose Stone Sale price¥49,800

[12561740] Mongolian Color Change Andesine 0.655ct Loose Stone Sale price¥49,800

[12/22 22:00] Red Coral (Coral) 6.833ct Loose Stone Sale price¥39,800

[12/23 22:00] Mexican Fire Opal 1.413ct Loose Sale price¥39,800

[12561695] Australian White Opal 1.928ct Loose Sale price¥39,800

Brazilian Paraiba tourmaline in quartz 2.954ct loose Sale price¥39,800

Bicolor sphene from Madagascar 1.242ct loose Sale price¥49,800

Chrysoberyl cat's eye 2.553ct loose (bicolor) Sale price¥39,800

[Sales start at 10 PM on Wednesday, December 10th] Sebon Star Jewelry for Adults, Part 3: Sebon Star Pendant for Adults, Mirage Edition (Silver Model/Precious Model) Sale priceFrom ¥29,800

Sales begin on Friday, December 12th at 10:00 PM. "Initial D" x KARATZ 30th Anniversary Pure Gold Coin (Limited to 86 pieces) & Pure Silver Coin (Limited to 860 pieces) Sale priceFrom ¥39,800

Additional fee: +20,000 yen Sale price¥40,000

[Dandelion cut] Pyrope almandine garnet 9.0mm/3.566ct loose stone Sale price¥35,800

マダガスカル産アンデシン・ラブラドライト（通称名レインボームーンストーン） 1.911ctルース

Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 1.911ct loose stone Sale price¥39,800

Additional charge: K18YG (base metal) + 10,000 yen Sale price¥37,000

Synthetic Moissanite 8.417ct Loose Stone Sale price¥49,800

1石から選ぶオーダーメイド《イヤリング・チェーンタイプ》申し込みページ～ Solo(ソロ) ～ - カラッツSTORE

Solo (Simple Order Earring Frame/Chain Type) Sale priceFrom ¥45,800

[12/16 22:00] Brazilian Dumortierite in Quartz 10.0mm/5.357ct Loose Stone Sale price¥39,800

[12/21 22:00] Myanmar Leuco Garnet 0.542ct Loose Stone with Certificate of Authenticity Sale price¥39,800

【さくらインカット】マダガスカル産アパタイト 7.9mm/1.537ct《コラボ》ルースワッペン

[Sale starts at 10 PM on December 5th] [Sakura In-Cut] Madagascar Green Apatite 7.9mm/1.537ct [Collaboration] Loose Stone with Patch Sale price¥45,800

Pink zoisite from Tanzania 0.536ct loose Japanese German edition Sale price¥39,800

[On Sale 11/29 10pm] Greenland Ruby 0.253ct Loose Stone with Certificate Sale price¥49,800

[11/18 22:00] Oregon Sunstone from the United States, 2.594ct Loose Sale price¥39,800

[11/18 22:00 Sale] Russian Demantoid Garnet (Horsetail Certified) 3.8mm/0.249ct Loose Stone Sale price¥39,800

[11/16 22:00 Sale] Brazilian Blue Anatase 0.424ct Loose Stone Sale price¥49,800

Wood opal 24.319ct loose Sale price¥45,800

[12/15 22:00] Tanzanian Almandine Garnet 11.0mm/6.787ct Loose Stone Sale price¥49,800

[12/1 22:00 Sale] Madagascar Sphene 1.864ct Loose Stone Sale price¥45,800

[Listed at Shinjuku Marui Annex 202511] [11/13 22:00] Russian Phenakite 0.899ct Loose Stone Sale price¥39,800

[On Sale 11/20 at 10 PM] Russian Demantoid Garnet (Horsetail Certified) 3.3mm/0.162ct Loose Stone Sale price¥39,800

Brazilian bicolor tourmaline 1.764ct loose Sale price¥32,800

Ice blue sapphire 3.813ct loose Sale price¥49,800

パイロープ・スペサルティンガーネット（カラーチェンジガーネット） 1.234ctルース

Pyrope spessartine garnet (color change garnet) 1.234ct loose Sale price¥35,800

パイロープ・スペサルティンガーネット（カラーチェンジガーネット） 1.171ctルース

Pyrope spessartine garnet (color change garnet) 1.171ct loose Sale price¥35,800

[On Sale 11/3 at 10pm] Myanmar Bicolor Star Sapphire 0.640ct Loose Sale price¥45,800

[On Sale 11/3 at 10pm] Mozambique Rubellite 0.814ct Loose Stone Sale price¥39,800

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.