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raw stone

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

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[Available 9/19 at 10 PM] &lt;9 sets only&gt; Rainbow Garnet rough &amp; loose stone set from Tenkawa, Nara (includes one hexagonal pyrite) <multi-buy discount available></multi-buy>

[Available 9/19 at 10 PM] <9 sets only> Rainbow Garnet rough & loose stone set from Tenkawa, Nara (includes one hexagonal pyrite) Sale price¥6,980
スリランカ・ラトゥナプラ産クリソベリル 0.335ct原石

[Available 9/18, 10:00 PM] Chrysoberyl rough from Ratnapura, Sri Lanka, 0.335ct Sale price¥6,980
ジンバブエ産バイカラーユークレース 1.355ct原石

[Sales start 9/18 at 22:00] Zimbabwe Bicolor Euclase 1.355ct Rough Stone Sale price¥25,800
コロンビア産パイライト付きエメラルド 0.634ct原石

[Available 9/19 at 10 PM] Colombian Emerald with Pyrite, 0.634ct Raw Gemstone Sale price¥19,800
コロンビア産パイライト付きエメラルド 0.981ct原石

[On sale 9/19 at 22:00] Colombian Emerald with Pyrite, 0.981ct Raw Gemstone Sale price¥29,800
コロンビア産エメラルド 1.645ct原石

[Available 9/19 at 10:00 PM] 1.645ct Colombian Emerald Rough Stone Sale price¥49,800
日本式双晶水晶 5.771ct原石

Japanese style twin crystal 5.771ct raw stone Sale price¥15,800
日本式双晶水晶 4.715ct原石

Japanese style twin crystal 4.715ct raw stone Sale price¥9,800
日本式双晶水晶 3.472ct原石

Japanese style twin crystal 3.472ct raw stone Sale price¥7,980
スリランカ産グラスボディ（サファイアクリスタル） 7.983ct原石

Sri Lankan glass body (sapphire crystal) 7.983ct rough stone Sale price¥19,800
スリランカ産グラスボディ（サファイアクリスタル） 9.933ct原石

Sri Lankan glass body (sapphire crystal) 9.933ct rough stone Sale price¥29,800
スリランカ産グラスボディ（サファイアクリスタル） 10.140ct原石

Sri Lankan glass body (sapphire crystal) 10.140ct rough stone Sale price¥22,800
タンザニア産パープルゾイサイト 3.324ct原石

3.324ct Tanzanian Purple Zoisite Rough Stone Sale price¥5,980
#VALUE!

Tanzania Bicolor Zoisite 1.608ct Rough Stone Sale price¥8,800
ブラジル産パライバトルマリン 20.766ct原石

[Available 9/5 at 10 PM] 20.766ct Brazilian Paraiba Tourmaline Rough Stone Sale price¥25,800
ブラジル産パライバトルマリン 20.758ct原石

[9/5 10 PM Sale] Brazilian Paraiba Tourmaline 20.758ct Rough Stone Sale price¥29,800
ブラジル産パライバトルマリン 20.343ct原石

【9/5 22:00 Release】 Brazilian Paraiba Tourmaline 20.343ct Rough Stone Sale price¥15,800
ブラジル産パライバトルマリン 8.246ct原石

[Available 9/5, 10 PM] 8.246ct Rough Paraiba Tourmaline from Brazil Sale price¥25,800
南アフリカ産ダイヤモンド原石（ソーヤブル） 0.477ct原石

[Listed under 12563270] South African rough diamond (sawable) 0.477ct Sale price¥178,000
Brazilian Paraiba Tourmaline 0.821ct rough stone

Brazilian Paraiba Tourmaline 0.821ct rough stone Sale price¥39,800
【12551984掲載】バイカラータンザナイト 2.750ct原石

Tanzanian bicolor tanzanite rough stone 2.750ct Sale price¥7,980
【宝石商の道具】ペンライト（原石向け）・原石2点セット - KARATZ STORE｜カラッツSTORE

[Jeweler's Tools] Penlight (for rough stones), 2-piece set of rough stones Sale price¥4,980
コロンビア産エメラルド ルース・原石2石セット（ラウンドカット3mm）

Colombian emerald loose rough stone set of 2 stones (round cut 3mm)《Multiple purchase discount available》 Sale price¥6,980
カイヤナイト 原石・ルース2石セット

Kyanite raw stone/loose 2 stone set《Multiple purchase discount available》 Sale price¥2,980
March birthstone, aquamarine rough stone and loose stone set of 2 (from Nigeria) {Multiple purchase discounts available} {For beginners}

March birthstone, aquamarine rough stone and loose stone set of 2 (from Nigeria) {Multiple purchase discounts available} {For beginners} Sale price¥3,980
January birthstone rhodolite garnet rough stone and loose stone set of 2 (from Zambia) {Multiple purchase discounts available} {For beginners}

January birthstone rhodolite garnet rough stone and loose stone set of 2 (from Zambia) {Multiple purchase discounts available} {For beginners} Sale price¥2,980
タンザニア・マヘンゲ産ピンクスピネル原石・ルース2石セット（プリンセスカット）《複数購入割引有》

《Limited to 20 stones》 Pink spinel raw stone from Mahenge, Tanzania, loose 2 stone set (princess cut)《Multiple purchase discount available》 Sale price¥3,980
April birthstone Morganite rough stone and loose stone set of 2 (from Nigeria) {Multiple purchase discounts available} {For beginners}

April birthstone Morganite rough stone and loose stone set of 2 (from Nigeria) {Multiple purchase discounts available} {For beginners} Sale price¥3,980
1 green spodumene rough stone (average 15ct)《Multiple purchase discount available》

1 green spodumene rough stone (average 15ct)《Multiple purchase discount available》 Sale price¥3,980
1 Brazilian Euclase rough stone (discount available for multiple purchases)

1 Brazilian Euclase rough stone (discount available for multiple purchases) Sale price¥3,980
November birthstone citrine rough and loose stone set of 2 (Madeira citrine, from Brazil) {Multiple purchase discounts available} {For beginners}

November birthstone citrine rough and loose stone set of 2 (Madeira citrine, from Brazil) {Multiple purchase discounts available} {For beginners} Sale price¥3,980
[Limited to 6 stones] Contains 2 stones in total: 1 gemstone (rough stone) that is actually featured in a gemstone encyclopedia + 1 emerald rough stone.

[Limited to 6 stones] Contains 2 stones in total: 1 gemstone (rough stone) that is actually featured in a gemstone encyclopedia + 1 emerald rough stone. Sale price¥4,980
Limited to 15 stones, 1 raw stone of Chinese hemimorphite, multiple purchase discount

Limited to 15 stones, 1 raw stone of Chinese hemimorphite, multiple purchase discount Sale price¥3,980
南アフリカ産ダイヤモンド原石（ソーヤブル） 0.271ct原石

【#202607 Akihabara Pop-up Store - Currently Removed】【Listed as 12563268】Rough Diamond (Sawable) from South Africa 0.271ct Sale price¥88,800
ボツアナ産ダイヤモンド原石（ソーヤブル） 0.140ct原石

[Posted as 12563267] Rough Botswana Diamond (Sawable) 0.140ct Sale price¥44,800
南アフリカ産ダイヤモンド原石（ソーヤブル） 0.353ct原石

[Listed as 12563271] Rough Diamond (Sawable) from South Africa, 0.353 ct Sale price¥128,000
【12562828掲載】コロンビア産パイライト付ユークレース 37.340ct原石

Euclase with Pyrite from Colombia 37.340ct Rough Gemstone (Hokikyosho) Sale price¥12,800
ジンバブエ産バイカラーユークレース 0.744ct原石

[12558559] Zimbabwe bicolor euclase rough stone 0.744ct Sale price¥39,800
ロシア産ダイヤモンド原石（ソーヤブル） 0.124ct原石

[Listed as 12563264] Rough Russian Diamond (Sawable) 0.124ct Sale price¥39,800
シエラレオネ産ダイヤモンド原石（ソーヤブル） 0.072ct原石

Sierra Leonean Rough Diamond (Sawable) 0.072 ct. [12563273 Listed] Sale price¥22,800
タンザニア産パープルゾイサイト 0.863ct原石

Tanzania Purple Zoisite 0.863ct Rough Stone Sale price¥7,980
シエラレオネ産ダイヤモンド原石（ソーヤブル） 0.089ct原石

Rough diamond from Sierra Leone (sawable) 0.089ct rough (trigon) Sale price¥27,800
ジンバブエ産ダイヤモンド原石（ソーヤブル） 0.228ct原石

Zimbabwean rough green diamond (sawable) 0.228ct rough (trigon) Sale price¥79,800
ボツアナ産ダイヤモンド原石（ソーヤブル） 0.118ct原石

Rough diamond from Botswana (sawable) 0.118ct rough (trigon) Sale price¥29,800
ボツアナ産ダイヤモンド原石（ソーヤブル） 0.090ct原石

Botswana rough diamond (sawable) 0.090ct rough (trigon) Sale price¥22,800
ボツアナ産ダイヤモンド原石（ソーヤブル） 0.087ct原石

Rough diamond from Botswana (sawable) 0.087ct (trigon) Sale price¥21,800
南アフリカ産ダイヤモンド原石（ソーヤブル） 0.110ct原石

South African diamond rough (sawable) 0.110ct rough Sale price¥22,800
南アフリカ産ダイヤモンド原石（ソーヤブル） 0.085ct原石

South African diamond rough (sawable) 0.085ct rough Sale price¥15,800

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.