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Sold out ベトナム産非加熱シルキーピンクサファイア 0.197ctルース
Sold out メキシコ産ファイアーアゲート 3.800ctルース
Sold out アクアマリンキャッツアイ 3.528ctルース
Sold out ダンビュライト 1.427ctルース
Sold out アメジスト 8.044ctルース
Sold out Citrine 0.833ct loose stone
Sold out ブラジル産メデューサクォーツ(パライバクォーツ) 6.954ctルース
Sold out デュモルチェライトインクォーツ 3.901ctルース
Sold out オパール 0.595ctルース
Sold out ブラジル産トラピッチェアメジスト 24.772ctルース
Sold out トルコ産ダイアスポア 0.858ctルース
Sold out ゴーシェナイト 1.989ctルース
Sold out マダガスカル産バイカラーサファイア 0.212ctルース
Sold out マダガスカル産バイカラーサファイア 0.259ctルース
Sold out 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
Sold out デマントイドガーネットキャッツアイ(ホーステール認む) 0.222ctルース
Sold out デマントイドガーネットキャッツアイ(ホーステール認む) 0.171ctルース
Sold out ピンクサファイア 0.881ctルース
Sold out American benitoite 0.133ct loose
Sold out American benitoite 0.147ct loose
Sold out Limited to 6 stones: 1 loose Brazilian pyrite in quartz (average 3.2 carats) Multiple purchase discounts available
Sold out Red Gemstone Gacha including Pigeon Blood Ruby AIGS worth ¥60,000 💎 Ruby and Hot Pink Sapphire (Multiple Purchase Discounts Available)
Sold out Limited to 10 stones! Rare Stone Gacha! 💎 Shinsha, Zimbabwean Euclase, Red Beryl, Star Peridot, and more. Multi-buy discounts available.
Sold out Limited Edition of 7 Montana Sapphires (Rock Creek Mine) Gacha (Pear Shape, Approx. 5 x 3mm) [Multiple Purchase Discounts Available]
Sold out Limited Edition of 11 Montana Sapphires (Rock Creek Mine) Gacha! 1 Loose Stone (Oval Cut, 5x3mm) - Multiple Purchase Discounts Available
Sold out Limited to 20 stones: 1 loose sphalerite stone from Spain. Discounts available for multiple purchases.
Sold out 《Limited to 13 stones》Beryl Gacha (including Aquamarine Vortex Cut Koshu Kiseki Kiriko) 1 Loose Stone《Multi-purchase discount available》
Sold out Limited to 11 stones: Bicolor Gacha (including Zimbabwean bicolor euclase, bicolor sapphire, and bicolor zoisite) (Multiple purchase discounts available)
Sold out Mexican Fire Agate 8.033ct Loose Stone
Sold out Indian Moonstone 5.0mm/0.474ct Loose Stone (Rose Cut)
Sold out Brazilian Pyrite in Quartz 9.477ct Loose Stone
Sold out German Apatite 3.1mm/0.100ct Loose Stone
Sold out German Auchenite 0.083ct loose stone
Sold out Unheated Pigeon Blood Ruby 0.710ct Loose Stone AIGS
Sold out Brazilian Paraiba tourmaline 0.128ct loose stone (CuO: 1.7%, MnO: 3.4%)
Sold out 0.361ct loose Brazilian Paraiba Tourmaline (CuO:1.0%, MnO:3.6%)
Sold out Royal Blue Sapphire 1.00ct Loose AIGS
Sold out Unheated star ruby ​​from Myanmar, 0.617ct loose
Sold out 0.848ct Loose Brazilian Medusa Quartz (Paraiba Quartz)
Sold out Zimbabwean Euclase 2.2mm/0.065ct Loose Stone
Sold out Indian Parrot Chrysoberyl Cat's Eye 5.6mm/1.715ct Loose Stone
Sold out Indian Parrot Chrysoberyl Cat's Eye 1.225ct Loose
Sold out Indian Parrot Chrysoberyl Cat's Eye 5.0mm/1.099ct Loose Stone
Sold out Grandidierite from Madagascar 0.169ct loose stone
Sold out Grandidierite from Madagascar 0.167ct loose stone
Sold out 《Limited 7 Stones》Sri Lankan Green Zircon (Special Cut, including Silky Type)《Multi-purchase Discount Available》
Sold out Tanzanian Dragon Garnet 1.181ct Loose Stone
Sold out 【12560374掲載】ブルートパーズキャッツアイ 22.761ct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.