Under ¥5,000

【1/25 22時販売】《限定12石》さくらインカット含むやレピドクロサイトインクォーツガチャ1石ルース《複数購入割引有》 Sale price¥3,580

【1/25 22時販売】《限定13石》通常32,800円の0.16ct FANCY VIVIDカラー（中宝ソーティング付）も含むイエローダイヤモンドガチャ1石ルース《複数購入割引有》 Sale price¥3,980

【1/26 22時販売】《残り2石》自然銅（ネイティブカッパー）1石原石（平均22ct）《複数購入割引有》 Sale price¥1,000

【1/24 22時販売】《限定18石》カザフスタン産ゴールデンヒルターコイズ（トルコ石,12月誕生石,平均1.3ct）《複数購入割引有》 Sale price¥2,980

Sold out

お楽しみジェムガチャ💎通常29,800円のダイヤモンド（D/VS/3EX H&C 中宝鑑定書付き）や特殊カットのオレサンやアンラブなど《複数購入割引有》

Myanmar orange jade (jade) 0.584ct loose Sale price¥4,980

Myanmar orange jade (jade) 0.531ct loose Sale price¥4,980

Oil-in-quartz 22.073ct rough stone from Madagascar Sale price¥4,980

Cambodian Blue Zircon 0.205ct Loose Sale price¥3,980

Cambodian Blue Zircon 0.204ct Loose Sale price¥3,980

Cambodian Blue Zircon 0.221ct Loose Sale price¥3,980

Morganite from Nigeria 0.889ct loose Sale price¥4,980

[Available at 10 PM on January 11th] Limited to 13 stones: Koshu Precious Stones "Moon-Shaped Cut Glass" Blue Topaz Loose Gacha Set, including 10ct Blue Topaz (Multiple Purchase Discounts Available) Sale price¥4,980

Limited to 20 stones: 1 loose sphalerite stone from Spain. Discounts available for multiple purchases. Sale price¥1,980

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） 0.167ctルース

Andesine Labradorite (also known as Rainbow Moonstone) 3.6mm/0.167ct loose stone Sale price¥4,980

Mint color tourmaline 0.198ct loose Sale price¥4,980

Mint color tourmaline 0.229ct loose Sale price¥4,980

Pink tourmaline 0.205ct loose Sale price¥4,980

Tourmaline cat's eye 0.910ct loose Sale price¥4,980

Brazilian Medusa Quartz (Paraiba Quartz) 3.441ct loose Sale price¥3,980

Brazilian Medusa Quartz (Paraiba Quartz) 2.757ct loose Sale price¥3,980

Chrome tourmaline 0.300ct loose stone Sale price¥2,980

【12546396掲載】スリランカ産ゲーサイトイントパーズ 3.200ctルース

Sri Lankan Goethite Into Topaz 3.200ct loose Sale price¥4,980

Zircon 0.416ct loose Sale price¥3,980

Limited to 14 stones: Brazilian dendritic quartz loose stone (average 7 carats) Multiple purchase discounts available Sale price¥2,980

[1/4 22:00 Sale] Sri Lankan Chrysoberyl Cat's Eye 0.447ct Loose Stone Sale price¥3,980

[1/4 22:00 Sale] Sri Lankan Chrysoberyl Cat's Eye 0.559ct Loose Stone Sale price¥3,980

Limited to 14 stones: Beryllium-heated sapphire (3.5mm, KEN cut) - 1 loose stone. Discounts available for multiple purchases. Sale price¥1,580

[Sales start at 10 PM on Friday, December 12th] TV anime "Date A Live V" x KARATZ collaboration jewelry acrylic stand (4 types) Sale price¥2,970

[Sales start on Friday, August 8th at 22:00] TV anime "Date A Live V" x KARATZ collaboration foil-stamped glitter can badges Sale price¥3,300

[12545123 published] Yellow Beryl 0.696ct loose Sale price¥3,980

Limited to 9 stones: 1 rough petalite stone from Myanmar (average 6.0 carats) Multiple purchase discounts available Sale price¥2,980

Limited to 7 stones: One loose colorless apatite from Madagascar (with appraisal certificate for each stone, average 0.60 carat) Discounts available for multiple purchases Sale price¥4,980

Limited Quantity: Madagascar Neon Blue Apatite Rough Stone (Average 2.2ct) Multiple Purchase Discounts Available Sale price¥1,280

[Sales start at 10:00 PM on Friday, December 12th] "Initial D" x KARATZ 30th Anniversary Collaboration Trading Square Can Badges Sale price¥770

[Sales start at 10:00 PM on Friday, December 12th] "Initial D" x KARATZ 30th Anniversary Collaboration Acrylic Coaster Sale price¥990

[Sales start at 10:00 PM on Friday, December 12th] "Initial D" x KARATZ 30th Anniversary Collaboration Acrylic Keychain Sale price¥880

[Sales start at 10:00 PM on Friday, December 12th] "Initial D" x KARATZ 30th Anniversary Collaboration Acrylic Stand Sale price¥1,650

Felspar 1.478ct loose from Sri Lanka Sale price¥3,980

Synthetic Moissanite 0.632ct loose stone (tie cut) Sale price¥3,980

Synthetic Moissanite 0.509ct loose stone (tie cut) Sale price¥3,980

Andalusite 0.293ct loose stone Sale price¥3,980

Andalusite 0.192ct loose stone Sale price¥2,980

Madeira Citrine 7mm/0.938ct loose Sale price¥3,980

Limited to 3 stones: Indian Andesine and Labradorite (Rainbow Moonstone) Flower Carving, 6mm, 1 stone. Discounts available for multiple purchases. Sale price¥3,980

Limited to 4 stones: Carving Gacha (pink tourmaline, average 3.4 carats) 1 loose stone (multiple purchase discounts available) Sale price¥3,980

Yellow sapphire from Madagascar 0.181ct loose Sale price¥4,980

Spinel from Sri Lanka 0.276ct loose Sale price¥2,980

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.