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emerald

Emerald is the birthstone of May. It is a type of beryl, the same mineral as aquamarine, and is a green gemstone. It is also known as the stone that Cleopatra once loved, and many anecdotes remain. It is characterized by its brittle nature with many scratches and inclusions, so much so that there is a saying that ``There are fewer emeralds without scratches than people with no defects.''

Karatz GemMagazine
" Emerald "

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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
[Available 8/30 at 10 PM] Colombian Emerald Rough (Avg. 0.25ct) &lt;&lt;2 stones remaining&gt;&gt; &lt;<multi-buy discounts available>&gt;</multi-buy>

[Available 8/30 at 10 PM] Colombian Emerald Rough (Avg. 0.25ct) <<2 stones remaining>> <> Sale price¥7,980
【9/ 22:00 Sale】《20 Stones Limited》 Colombian Emerald Gacha with a Chance to Win Koshu Kiseki Kiriko 《Multi-buy Discount Available》

【9/ 22:00 Sale】《20 Stones Limited》 Colombian Emerald Gacha with a Chance to Win Koshu Kiseki Kiriko 《Multi-buy Discount Available》 Sale price¥6,980
[Available 9/4 at 10 PM] 《16 Stones Limited》 Colombian Emerald Raw Stones (Average 0.35ct) 《Multiple Purchase Discount Available》

[Available 9/4 at 10 PM] 《16 Stones Limited》 Colombian Emerald Raw Stones (Average 0.35ct) 《Multiple Purchase Discount Available》 Sale price¥5,980
[8/29 10 PM Sale] &lt;&lt;11 Stones Only&gt;&gt; Raw Emerald from Muzo, Colombia (Avg. 0.20ct) &lt;<multi-purchase discount available>&gt;</multi-purchase>

[8/29 10 PM Sale] <<11 Stones Only>> Raw Emerald from Muzo, Colombia (Avg. 0.20ct) <> Sale price¥5,980
Limited to 8 stones: 1 loose kite cut stone (illusion sunstone, sapphire, emerald, spessartine garnet, etc.) Multiple purchase discounts available

Limited to 8 stones: 1 loose kite cut stone (illusion sunstone, sapphire, emerald, spessartine garnet, etc.) Multiple purchase discounts available Sale price¥5,980
[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
【Available 9/21 at 10 PM】《Limited to 11 stones》KEN-cut approx. 3mm loose gemstone gacha (Colombian mint-color emerald, spinel, zircon, etc.)《Multi-purchase discount available》

【Available 9/21 at 10 PM】《Limited to 11 stones》KEN-cut approx. 3mm loose gemstone gacha (Colombian mint-color emerald, spinel, zircon, etc.)《Multi-purchase discount available》 Sale price¥2,980
[On sale 9/4 at 10:00 PM] 《Limited to 7 stones》 Colombian mint-colored emerald rough (average 0.51ct) 《Multi-buy discount available》

[On sale 9/4 at 10:00 PM] 《Limited to 7 stones》 Colombian mint-colored emerald rough (average 0.51ct) 《Multi-buy discount available》 Sale price¥6,980
エメラルド 15.219ctルース 日独鑑

Natural Emerald from Brazil, 15.219 ct, Loose Stone, Nichidoku Identification Report Sale price¥398,000
コロンビア産エメラルド 0.150ctルース

Colombian emerald 3.5mm/0.150ct loose stone Sale price¥22,800
エメラルド 0.484ルース

Emerald 0.484ct loose Sale price¥7,980
Colombian Trapiche Emerald 1.494ct Loose

Colombian Trapiche Emerald 1.494ct Loose Sale price¥69,800
【10/28 22時販売】【カラフリ】K18 ルチルクォーツ（ルチルレイテッドクォーツ）4.48ct エメラルド0.19ct リング 鑑別書

【10/28 22時販売】【カラフリ】K18 ルチルクォーツ（ルチルレイテッドクォーツ）4.48ct エメラルド0.19ct リング 鑑別書 Sale price¥128,000
コロンビア産エメラルド 0.167ctルース

Colombian emerald loose stone 0.167ct Sale price¥22,800
コロンビア産トラピッチェエメラルド 1.036ctルース

[Item 12564642] Colombian Trapiche Emerald 1.036ct Loose Stone Sale price¥69,800
ロシア産ノンオイルエメラルド 0.121ctルース

[Item 12564569] Russian Non-Oiled Emerald 0.121ct Loose Gemstone Sale price¥49,800
ザンビア産エメラルド 0.188ctルース

Zambian Emerald 0.188ct Loose Stone Sale price¥9,800
K18WG エメラルド0.15ct・ダイヤモンド0.12ctペンダントトップ（ネックレストップ）鑑別書

[Item #22602732][Colori] K18WG Emerald & 0.12ct Diamond Pendant Top (Necklace Top) with Appraisal Report Sale price¥39,800
ロシア産ノンオイルエメラルド 0.061ctルース

[10/9 10 PM Sale] Russian Non-Oiled Emerald 0.061ct Loose Stone Sale price¥35,800
ロシア産エメラルド 0.247ctルース

[Available 10/14 at 22:00] Russian Emerald 0.247ct Loose Gemstone Sale price¥49,800
コロンビア産トラピッチェエメラルド 0.981ctルース

[Available 10/11 at 22:00] Colombian Trapiche Emerald 0.981ct Loose Gemstone with Appraisal Report Sale price¥58,800
コロンビア産ノンオイルエメラルド 0.290ctルース

[Sat, Sep 5, 10:00 AM Deadline: Lottery Sale_10] Colombian Non-Oiled Emerald 0.290ct Loose Stone GIA Sale price¥178,000
ブラジル産エメラルドキャッツアイ 0.582ctルース

[Ref: 12564306] Brazilian Emerald Cat's Eye 0.582ct Loose Gemstone Sale price¥22,800
コロンビア産エメラルド 0.126ctルース

[10/3 10 PM Sale] Colombian Emerald 0.126ct Loose Gemstone with Appraisal Report Sale price¥39,800
コロンビア産エメラルド 0.211ctルース

[10/3 10 PM Sale] Colombian Emerald 0.211ct Loose Gemstone with Identification Report Sale price¥59,800
コロンビア産雲母インエメラルド 0.249ctルース

【Available 10/3 at 10 PM】 Colombian Mica-in-Emerald 4.2mm/0.249ct Loose Gemstone with Certificate of Authenticity Sale price¥22,800
コロンビア産パイライト・雲母インエメラルド 0.432ctルース

[Available Oct 11, 10 PM] Colombian Pyrite and Mica in Emerald 0.432ct Loose Stone with Identification Report Sale price¥35,800
ザンビア産エメラルド 0.202ctルース

[Listing 12556682] Zambian Emerald 0.202ct Loose Stone Sale price¥15,800
コロンビア産エメラルド 0.079ctルース

[9/27 10:00 PM Release] Colombian Emerald 0.079ct Loose Stone Sale price¥8,800
コロンビア産エメラルド 0.121ctルース

[9/27 10:00 PM Release] Colombian Emerald 0.121ct Loose Stone Sale price¥15,800
コロンビア産エメラルド 0.148ctルース

[9/27 10 PM Sale] Colombian Emerald 0.148ct Loose Stone Sale price¥29,800
コロンビア産エメラルド 0.145ctルース

[Available 10/7, 10:00 PM] Colombian Emerald 0.145ct Loose Stone Sale price¥35,800
【Available 9/23 at 10 PM】《Limited to 6 stones》Rough Colombian Emerald (avg. 0.75ct) 《Multi-buy discount available》

【Available 9/23 at 10 PM】《Limited to 6 stones》Rough Colombian Emerald (avg. 0.75ct) 《Multi-buy discount available》 Sale price¥9,800
コロンビア産エメラルド 0.150ctルース

[Available 9/22, 10 PM] Colombian Emerald 0.150ct Loose Stone Sale price¥12,800
Pt900 エメラルド 0.4ct ダイヤモンド0.33ctペンダントトップ（ネックレストップ）鑑別書

[Available 9/24 at 10 PM] [Colori] Pt900 Emerald 0.40ct & Diamond 0.33ct Pendant Top (Necklace Top) with Appraisal Report Sale price¥79,800
Pt900 エメラルド 5.33ct サファイア4.52ct、ダイヤモンド0.12ctリング 宝貴協

[On sale 9/24 at 22:00] [Colorfully] Pt900 Emerald 5.33ct, Sapphire 4.52ct, Diamond 0.12ct Ring (JGA Certified) Sale price¥198,000
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
コロンビア産エメラルド 0.078ctルース

【Available 9/22, 10:00 PM】 Colombian Emerald 0.078ct Loose Gemstone Sale price¥18,800
コロンビア産エメラルド 0.267ctルース

[Available Sept. 21, 10:00 PM] Colombian Emerald 0.267ct Loose Gemstone Sale price¥39,800
コロンビア産エメラルド 0.152ctルース

[Available 9/21, 10:00 PM] Colombian Emerald 0.152ct Loose Gemstone Sale price¥25,800
ブラジル産ミントカラーエメラルド 0.451ctルース

[Available Sept 21, 10 PM] Brazilian Mint Color Emerald 0.451ct Loose Stone Sale price¥15,800
コロンビア産パイライト・雲母インエメラルド 0.628ctルース

Colombian pyrite-mica emerald 0.628ct loose stone Sale price¥29,800
コロンビア産エメラルド 0.231ctルース

Colombian emerald 0.231ct loose stone Sale price¥25,800
コロンビア産トラピッチェエメラルド 0.299ctルース

Colombian Trapiche Emerald 0.299ct Loose Sale price¥16,800
コロンビア産エメラルド 0.247ctルース

[Available 9/12, 10:00 PM] Colombian Emerald 0.247ct Loose Gemstone Sale price¥39,800

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.