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Items under 10,000 yen

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Sold out 0.559ct Sri Lankan Chrysoberyl Cat's Eye Loose Stone
Sold out Synthetic sapphire 1.416ct loose stone (synthetic pink sapphire)
Sold out Synthetic spinel 1.793ct loose stone
Sold out Spinel 0.310ct loose
Sold out Brazilian Goshenite 0.527ct loose stone
Sold out Colombian emerald 8.169ct rough stone
Sold out Colombian emerald rough stone 6.933ct
Sold out Indian Moonstone 5.1mm/0.426ct Loose Stone (Rose Cut)
Sold out ブラックスターサファイア 1.410ctルース
Sold out Campaign Special Offer: Only One Stone Left! December Birthstone Tanzanite Loose Stone (5x7mm, Oval Cut) - Multi-Purchase Discount Available
Sold out アルマンディンガーネット 2.076ctルース
Sold out 【サンジェ氏】ブルージルコン 0.322ctルース
Sold out ロードライトガーネット 0.990ctルース
Sold out アマゾン産グリーンオパール 1.120ctルース
Sold out 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) 1.127ctルース
Sold out ピンクスピネル 0.409ctルース
Sold out ミャンマー産トラピッチェルビー 0.179ct原石
Sold out 【12545153掲載】ミャンマー産トラピッチェルビー 0.160ct原石
Sold out Limited to 20 stones! Includes 6 red gemstones of pigeon blood ruby ​​with AGL certificate. Discounts available for multiple purchases.
Sold out Limited to 7 stones: Sri Lankan star sapphire (1 loose stone) Multiple purchase discounts available
Sold out [Sales End on Monday, January 12th] TV Anime "Tokyo Ghoul" x KARATZ Collaboration Part 2: Newly Illustration Acrylic Plate (Made to Order)
Sold out [Sales End on Monday, January 12th] TV Anime "Tokyo Ghoul" x KARATZ Collaboration Part 2: Newly Illustration Merchandise - Random Hard Cards (12 Types)
Sold out [Sales End on Monday, January 12th] TV Anime "Tokyo Ghoul" x KARATZ Collaboration Part 2: Newly Illustration Clear Postcard Set
Sold out [Sales End on Monday, January 12th] TV Anime "Tokyo Ghoul" x KARATZ Collaboration Part 2: Newly Illustration Merchandise: Triple Acrylic Keychains (2 Types)
Sold out [Sales End on Monday, January 12th] TV Anime "Tokyo Ghoul" x KARATZ Collaboration Part 2: Newly Illustration Glitter Can Badges (2 Types)
Sold out アベンチュリンアクアマリンキャッツアイ 1.567ctルース
Sold out クォーツ 96.732ctルース(爆裂水晶)
Sold out 【KEN氏】ピンクトルマリン 4.0mm/0.300ctルース
Sold out 【KEN氏】オレゴンサンストーン 1.333ctルース
Sold out 奈良県天川村産レインボーガーネット(アンドラダイトガーネット) 1.163ctルース
Sold out ミャンマー産トラピッチェルビー 0.202ct原石
Sold out コロンビア産トラピッチェエメラルド(逆トラピッチェ) 0.108ctルース
Sold out コロンビア産トラピッチェエメラルド(逆トラピッチェ) 0.084ctルース
Sold out Tanzanian Almandine Garnet 0.998ct Loose Stone
Sold out タンザニア産アルマンディンガーネット 0.656ctルース
Sold out スリランカ産ブルーサファイア(アイスブルー) 0.300ctルース
Sold out インド産アイオライトサンストーン 0.769ctルース
Sold out インド産アイオライトサンストーン 0.540ctルース
Sold out Limited to 12 stones! Gemstone Gacha including Brazilian Paraiba Tourmaline rough stone 💎 1 rough stone (Multiple purchase discounts available)
Sold out Limited to 8 stones: 1 loose Brazilian ametrine (concave cut, average 10 carats) Multiple purchase discounts available
Sold out Felspar 1.478ct loose from Sri Lanka
Sold out モザンビーク産ピンクサファイア 0.213ctルース(ホットピンクサファイア)
Sold out ブラジル産アレキサンドライト 0.058ctルース
Sold out コロンビア産トラピッチェエメラルド(逆トラピッチェ) 0.053ctルース
Sold out アンダリュサイト 0.317ctルース
Sold out GGG(ガドリウムガリウムガーネット) 0.675ctルース
Sold out Synthetic rutile 0.538ct loose stone
Sold out アフガニスタン産アフガナイト 0.077ctルース

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.