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ザンビア産カナリーイエロートルマリン 0.158ctルース

Zambian Canary Yellow Tourmaline 0.158ct Loose Stone Sale price¥9,800
《New from Tucson, Limited to 17 Stones》High-transparency, high-quality Dumortierite in Quartz from Brazil《Multiple purchase discount available》

《New from Tucson, Limited to 17 Stones》High-transparency, high-quality Dumortierite in Quartz from Brazil《Multiple purchase discount available》 Sale price¥3,980
《Tucson Arrivals - Limited to 6 Stones》Brazilian Black Garden Quartz, Average 3.6ct《Bulk Purchase Discount Available》

《Tucson Arrivals - Limited to 6 Stones》Brazilian Black Garden Quartz, Average 3.6ct《Bulk Purchase Discount Available》 Sale price¥6,980
《New Tucson Arrivals - Limited to 13 Stones》Mexican Opal, including B-grade stones (Egg-in-Opal and Water Opal) 《Multiple Purchase Discount Available》

《New Tucson Arrivals - Limited to 13 Stones》Mexican Opal, including B-grade stones (Egg-in-Opal and Water Opal) 《Multiple Purchase Discount Available》 Sale price¥2,980
[Available at 10 PM on February 2nd] Limited to 10 stones! Takeshi Yamamoto Cut Gemstone Gacha! Fire Flower Cut Rock Crystal and More! Discounts Available for Multiple Purchases!

[Available at 10 PM on February 2nd] Limited to 10 stones! Takeshi Yamamoto Cut Gemstone Gacha! Fire Flower Cut Rock Crystal and More! Discounts Available for Multiple Purchases! Sale price¥7,980
オーストラリア産レインボーラティスサンストーン 0.378ctルース

Australian rainbow lattice sunstone 0.378ct loose Sale price¥4,980
オーストラリア産レインボーラティスサンストーン 0.498ctルース

Australian rainbow lattice sunstone 0.498ct loose Sale price¥2,980
オーストラリア産レインボーラティスサンストーン 0.449ctルース

Australian rainbow lattice sunstone 0.449ct loose Sale price¥4,980
オーストラリア産レインボーラティスサンストーン 0.354ctルース

Australian rainbow lattice sunstone 0.354ct loose Sale price¥4,980
オレゴンサンストーン 8.256ct原石

Oregon Sunstone 8.256ct rough stone Sale price¥9,800
[Available at 10 PM on February 15th] [Limited to 150 stones - New in Tucson] Brazilian Alexandrite Loose Stone (Top Quality, Melee Size, Hemachita Mine) [Multiple Purchase Discounts Available]

[Available at 10 PM on February 15th] [Limited to 150 stones - New in Tucson] Brazilian Alexandrite Loose Stone (Top Quality, Melee Size, Hemachita Mine) [Multiple Purchase Discounts Available] Sale price¥3,980
【12562399掲載】ピンクトルマリン 0.440ctルース

[Rouge Cut] Pink Tourmaline from Brazil 0.440ct Loose Sale price¥9,800
Loose Brazilian rose amethyst, 2.626 ct

Loose Brazilian rose amethyst, 2.626 ct Sale price¥9,800
Brazilian Amethyst 2.975ct Loose Stone

Brazilian Amethyst 2.975ct Loose Stone Sale price¥9,800
Indian Black Moonstone 0.609ct Loose

Indian Black Moonstone 0.609ct Loose Sale price¥7,980
Brazilian Dumortierite in Quartz 0.699ct Loose Stone

Brazilian Dumortierite in Quartz 0.699ct Loose Stone Sale price¥6,980
Brazilian Dumortierite in Quartz 0.910ct Loose Stone

Brazilian Dumortierite in Quartz 0.910ct Loose Stone Sale price¥9,800
Brazilian Dumortierite in Quartz 0.642ct Loose Stone

Brazilian Dumortierite in Quartz 0.642ct Loose Stone Sale price¥8,800
【12562090掲載】ブラジル産デュモルチェライトインクォーツ 0.813ctルース

Brazilian dumortierite in quartz, 0.813 ct, loose Sale price¥9,800
【12562089掲載】ブラジル産デュモルチェライトインクォーツ 0.796ctルース

Brazilian dumortierite in quartz, 0.796 ct, loose Sale price¥7,980
【12562088掲載】ブラジル産デュモルチェライトインクォーツ 0.543ctルース

Brazilian Dumortierite in Quartz 0.543ct Loose Stone Sale price¥5,980
【12562083掲載】ブラジル産デュモルチェライトインクォーツ 1.060ctルース

Brazilian dumortierite in quartz 1.060ct loose (faceted cut) Sale price¥9,800
ブルッカイレピドクロサイトインクォーツ） 5.645ctルース

Platinum Rutilated Quartz (Brookier Lepidocrocite in Quartz) 5.645ct Loose Sale price¥9,800
オーストラリア産レインボーラティスサンストーン 0.587ctルース

Australian rainbow lattice sunstone 0.587ct loose Sale price¥4,980
オーストラリア産レインボーラティスサンストーン 0.378ctルース

Australian rainbow lattice sunstone 0.378ct loose Sale price¥3,980
イエローサファイア 0.294ctルース

Yellow sapphire 0.294ct loose Sale price¥8,800
イエローサファイア 0.464ctルース

Yellow sapphire 0.464ct loose Sale price¥9,800
ブルージルコン 0.258ctルース

Cambodian blue zircon 0.258ct loose Sale price¥6,980
ブルージルコン 0.197ctルース

Cambodian blue zircon 0.197ct loose Sale price¥5,980
ブルージルコン 0.217ctルース

Cambodian blue zircon 0.217ct loose Sale price¥6,980
ブルージルコン 0.267ctルース

Cambodian blue zircon 0.267ct loose Sale price¥6,980
Auinite 2.3mm/0.060ct loose

Auinite 2.3mm/0.060ct loose Sale price¥6,980
アウイナイト 0.084ctルース

Auinite 2.6mm/0.084ct loose Sale price¥8,800
アウイナイト 0.064ctルース

Auinite 2.4mm/0.064ct loose Sale price¥8,800
タンザニア産コーネルピン 0.185ctルース

Tanzanian Kornerupine 3.4mm/0.185ct Loose Stone Sale price¥9,800
《Limited to 21 Stones》Conch Pearl & Shell Gacha from the Dominican Republic, including Flame Pattern, 1 Stone Loose《Multi-purchase Discount Available》

《Limited to 21 Stones》Conch Pearl & Shell Gacha from the Dominican Republic, including Flame Pattern, 1 Stone Loose《Multi-purchase Discount Available》 Sale price¥3,980
【12562067掲載】ブラジル産スカイブルートパーズ 0.746ctルース

Brazilian Sky Blue Topaz 0.746ct Loose Stone Sale price¥8,800
【12562066掲載】ブラジル産スカイブルートパーズ 0.834ctルース

0.834 ct loose Sky Blue Topaz from Brazil Sale price¥8,800
YAG（イットリウムアルミニウムガーネット） 0.865ctルース

[On sale May 6th, 10 PM] YAG (Yttrium Aluminum Garnet) 5.5mm/0.865ct Loose Stone with Certificate Sale price¥8,800
【12562045掲載】オーストラリア産レインボーラティスサンストーン 1.053ctルース

1.053 ct Loose Australian Rainbow Lattice Sunstone Sale price¥8,800
Limited to 6 stones: Brazilian dendritic quartz (new to Tucson, average 2.5 carats) [Multiple purchase discounts available]

Limited to 6 stones: Brazilian dendritic quartz (new to Tucson, average 2.5 carats) [Multiple purchase discounts available] Sale price¥3,980
《Limited to 12 Stones》New Tucson Arrival: High-Quality Brazilian Dumortierite in Quartz (Faceted Cut)《Multiple Purchase Discount Available》

《Limited to 12 Stones》New Tucson Arrival: High-Quality Brazilian Dumortierite in Quartz (Faceted Cut)《Multiple Purchase Discount Available》 Sale price¥4,980
Madeira citrine 0.170ct loose

Madeira citrine 0.170ct loose Sale price¥5,980
Pink tourmaline 0.669ct loose

Pink tourmaline 0.669ct loose Sale price¥8,800
カザフスタン産ストロベリークォーツ 0.977ctルース

Strawberry quartz from Kazakhstan 0.977ct loose Sale price¥5,980
カザフスタン産ストロベリークォーツ 0.803ctルース

Strawberry quartz from Kazakhstan 0.803ct loose Sale price¥5,980
カザフスタン産ストロベリークォーツ 1.613ctルース

Strawberry quartz from Kazakhstan 1.613ct loose Sale price¥9,800
カザフスタン産ストロベリークォーツ 0.773ctルース

Strawberry quartz from Kazakhstan 0.773ct loose Sale price¥5,980

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.