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Items under 10,000 yen

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Sold out オパール 0.595ctルース
Sold out Citrine 0.833ct loose stone
Sold out アメジスト 8.044ctルース
Sold out ダンビュライト 1.427ctルース
Sold out アクアマリンキャッツアイ 3.528ct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 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 Limited to 10 stones! Zimbabwean Bicolor Euclase, Bicolor Sapphire, and More! Bicolor Loose Stones! 💎 Single Loose Stones Available. Discounts Available for Multiple Purchases.
Sold out Brazilian dumortierite in quartz 4.592ct loose
Sold out Brazilian Dumortierite in Quartz 1.779ct Loose Stone
Sold out Madagascar Iolite 0.644ct Loose Stone
Sold out Brazilian Yellow Beryl 0.913ct Loose Stone
Sold out [On Sale at 10 PM on December 7th] Madagascar Andesine Labradorite Moonstone (also known as Rainbow Moonstone) 0.178ct Loose Stone
Sold out [12/9 22:00 Sale] Sinhalite from Sri Lanka 0.658ct Loose Stone
Sold out [12/10 22:00 Sale] Pakistani Ludwigite Peridot 0.609ct Loose Stone
Sold out Synthetic Opal 0.856ct Loose (Synthetic Water Opal)
Sold out Brazilian alexandrite 0.112ct loose
Sold out Chrome tourmaline 0.300ct loose stone
Sold out オーストラリア産ボルダーオパール 1.730ct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) 0.696ctルース
Sold out 【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
Sold out Madagascar Bicolor Sapphire 3.6mm/0.232ct Loose
Sold out Brazilian Dumortierite in Quartz 1.995ct Loose Stone
Sold out Limited to 9 stones: Australian black opal (including semi-black opal) loose stone (includes a bonus white opal) (Multiple purchase discounts available)
Sold out オレゴンサンストーン 1.157ctルース
Sold out メキシコ産ファイアオパール 4.5mm/0.244ctルース
Sold out ジルコン 0.416ctルース
Sold out モザンビーク産パライバトルマリン 0.229ctルース
Sold out チタン酸ストロンチウム 0.410ctルース
Sold out Limited Edition of 10 Blue Gemstones! 💎 0.142ct Brazilian Paraiba Tourmaline, Euclase from Zimbabwe, 1.17ct Cobalt Spinel (Certificate of Authenticity: Color Shift), Benitoite, and More! Discounts Available for Multiple Purchases!
Sold out Have fun guessing what you'll receive! Gacha set of two gemstones (including rare stones) (Multiple purchase discounts available)
Sold out ナイジェリア産グリーンベリル 0.258ctルース
Sold out American peridot 0.334ct loose stone
Sold out 0.447ct Loose Chrysoberyl Cat's Eye from Sri Lanka
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 Colombian emerald rough stone 5.895ct
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 Tanzanite 1 stone loose (5x7mm, oval cut) 《Multiple 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

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.