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raw stone

This is a list of products that contain rough stones and gemstones.

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コーネルピン 0.500ct原石

Cornelpine 0.500ct rough stone Sale price¥4,980
【12533740掲載】コーネルピン 0.890ct原石

Cornerpine 0.890ct rough stone Sale price¥5,980
コーネルピン 0.880ct原石

Cornelpine 0.880ct rough stone Sale price¥3,980
【12533736掲載】コーネルピン 0.740ct原石

Cornelpine 0.740ct rough stone Sale price¥3,980
コーネルピン 0.400ct原石

Cornerpine 0.400ct rough stone Sale price¥2,980
コーネルピン 0.730ct原石

Cornerpine 0.730ct rough stone Sale price¥2,980
コーネルピン 0.490ct原石

Cornelpine 0.490ct rough stone Sale price¥2,980
Sold out 1 Brazilian Euclase rough stone (discount available for multiple purchases)

1 Brazilian Euclase rough stone (discount available for multiple purchases)

Sold out アイオライト原石・ルース 2石セット - カラッツSTORE

Iolite rough stone/loose 2 stone set《Multiple purchase discount available》

Sold out Ametrine 1 stone (approximately 60~70ct)《Discount available for multiple purchases》

Ametrine 1 stone (approximately 60~70ct)《Discount available for multiple purchases》

Sold out Ametrine 1 stone (approximately 40~50ct)

Ametrine 1 stone (approximately 40~50ct)

Sold out Limited to 5 sets! Fluorescent Diamond Gacha! 💎 Set of 2 loose diamonds (2.4-3.4mm) [Multiple purchase discounts available]

Limited to 5 sets! Fluorescent Diamond Gacha! 💎 Set of 2 loose diamonds (2.4-3.4mm) [Multiple purchase discounts available]
Sold out Tanzanite rough and loose stone set of 2 (average 3.3ct, special cut) from Tanzania {Multiple purchase discounts available}

Tanzanite rough and loose stone set of 2 (average 3.3ct, special cut) from Tanzania {Multiple purchase discounts available}

Sold out Limited to 6 stones: 1 topaz rough stone (November birthstone) Multiple purchase discounts available

Limited to 6 stones: 1 topaz rough stone (November birthstone) Multiple purchase discounts available
Sold out 【12541077掲載】エメラルド 67.796ct原石

[On sale at 10pm on August 7th] 67.796ct rough emerald
Sold out リアルガー 10.735ct原石

Realgar (realgar) rough stone from Yunnan, China, 10.735ct, Nichidokukan

Sold out バイカラーゾイサイト 0.860ct原石

[12531407 published] Bicolor Zoisite 0.860ct rough stone
Sold out エメラルド 27.866ct原石

[Posted in 12541080] Emerald 27.866ct rough stone
Sold out エメラルド 79.202ct原石

[Posted 12541079] Emerald 79.202ct rough stone
Sold out エメラルド 162.375ct原石

[Posted 12541071] Emerald 162.375ct rough stone
Sold out オパール 168.640ct原石

Opal 168.640ct rough stone
Sold out コロンビア産パイライト付きエメラルド 43.368ct原石

Colombian pyrite emerald 43.368ct rough stone
Sold out コロンビア産パイライト付きエメラルド 30.109ct原石

Colombian pyrite emerald 30.109ct rough stone
Sold out ブラジル産パライバトルマリン 70.604ct原石

Brazilian Paraiba tourmaline 70.604ct raw stone
Sold out ブラジル産パライバトルマリン 87.396ct原石

Paraiba tourmaline 87.396ct raw stone from Brazil
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） 0.147ct原石

Colombian trapiche emerald (reverse trapiche) 0.147ct rough stone
Sold out シエラレオネ産イエローダイヤモンド原石（ソーヤブル） 0.102ct原石

Sierra Leone Yellow Diamond Rough (Sawable) 0.102ct Rough
Sold out ブラジル産パライバトルマリン 0.225ct原石（ CuO:2.1%、MnO:0.9%）

Brazilian Paraiba tourmaline 0.225ct raw stone (CuO:2.1%, MnO:0.9%)
Sold out タンザナイト 5.930ct原石

Tanzanite rough stone from Tanzania 5.930ct
Sold out コロンビア産エメラルド 0.350ct原石

Colombian emerald 0.350ct rough stone
Sold out ミャンマー産レッドスピネル 0.234ct原石

Myanmar red spinel rough stone 0.234ct
Sold out ミャンマー産レッドスピネル 0.226ct原石

Myanmar red spinel rough stone 0.226ct
Sold out ジンバブエ産バイカラーユークレース 0.165ct原石

Zimbabwe bicolor euclase rough stone 0.165ct
Sold out 南アフリカ産ダイヤモンド原石（ソーヤブル） 0.102ct原石

South African diamond rough (sawable) 0.102ct rough (with trigon)

Sold out ダイヤモンド原石（ソーヤブル） 0.101ct原石

Diamond rough (sawable) 0.101ct rough (with trigon)
Sold out エチオピア産オパール 24.319ct原石

Ethiopian Opal 24.319ct Rough Stone
Sold out コンゴ産ダイオプテーズ 32.632ct原石

Congo Dioptase 32.632ct rough stone
Sold out 【12554800掲載】アンゴラ産グリーンダイヤモンド原石（ソーヤブル） 0.524ct原石

Angola Green Diamond Rough (Sawable) 0.524ct Rough (Trigon)

Sold out アンゴラ産グリーンダイヤモンド原石（ソーヤブル） 0.491ct原石（トライゴン）

Angola Green Diamond Rough (Sawable) 0.491ct Rough (Trigon)
Sold out ロシア産ダイヤモンド原石（ソーヤブル） 0.509ct原石

Russian diamond rough (sawable) 0.509ct rough (trigon)
Sold out ブラジル産パライバトルマリン 79.832ct原石

Brazilian Paraiba Tourmaline 79.832ct rough stone
Sold out ダイヤモンド原石（ソーヤブル） 0.610ct原石（トライゴン）

Diamond rough (sawable) 0.610ct rough (trigon)
Sold out ダイヤモンド原石（ソーヤブル） 0.597ct原石

Diamond rough (sawable) 0.597ct rough (trigon)
Sold out ベニトアイト 127.771ct原石

Benitoite 127.771ct rough stone

Sold out ミャンマー産トラピッチェルビー 0.231ct原石

Trapichel ruby ​​from Myanmar 0.231ct rough stone

Sold out マダガスカル産デマントイドガーネット 76.633ct原石

Demantoid garnet from Madagascar 76.633ct rough stone
Sold out マダガスカル産デマントイドガーネット 327.899ct原石

Demantoid garnet from Madagascar 327.899ct rough stone
Sold out マダガスカル産デマントイドガーネット 100.055ct原石

Demantoid garnet 100.055ct rough stone from Madagascar

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.