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beryl

Beryl is a mineral to which emeralds and aquamarines belong. They are called by different names depending on their color. The main colors are green, blue, red, pink, yellow, gold, yellow-green, and colorless.

Karatz GemMagazine
" Beryl "

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Sold out [6/ 10 PM JST Release] 《Limited to 11 Stones》Bicolor Gemstone Gacha featuring Paraiba Tourmaline and Euclase 《Bulk Purchase Discount Available》

[6/ 10 PM JST Release] 《Limited to 11 Stones》Bicolor Gemstone Gacha featuring Paraiba Tourmaline and Euclase 《Bulk Purchase Discount Available》
Sold out Brazilian Rainbow Aquamarine (Iridescent Aquamarine) Loose Stone (Heart Shape) (Multiple Purchase Discounts Available)

Brazilian Rainbow Aquamarine (Iridescent Aquamarine) Loose Stone (Heart Shape) (Multiple Purchase Discounts Available)
Sold out Limited to 15 stones: Mozambique aquamarine rough + 2 loose stones set. Discounts available for multiple purchases.

Limited to 15 stones: Mozambique aquamarine rough + 2 loose stones set. Discounts available for multiple purchases.
Sold out Limited to 7 stones: One loose, oil-free Russian emerald (1.5-1.6mm, step cut) [Multiple purchase discounts available]

Limited to 7 stones: One loose, oil-free Russian emerald (1.5-1.6mm, step cut) [Multiple purchase discounts available]

Sold out Brazilian Rainbow Aquamarine Loose Stone (Iridescent Aquamarine) (Multiple Purchase Discounts Available)

Brazilian Rainbow Aquamarine Loose Stone (Iridescent Aquamarine) (Multiple Purchase Discounts Available)
Sold out Limited to 9 stones: One loose Brazilian rainbow aquamarine (oval cut, average 0.8 carats) [Multiple purchase discounts available]

Limited to 9 stones: One loose Brazilian rainbow aquamarine (oval cut, average 0.8 carats) [Multiple purchase discounts available]
Sold out Limited to 9 stones: 1 Brazilian Santa Maria aquamarine (round cut, approx. 3.5mm) Multiple purchase discounts available

Limited to 9 stones: 1 Brazilian Santa Maria aquamarine (round cut, approx. 3.5mm) Multiple purchase discounts available
Sold out [Jeweler's Tools] Limited Edition Chelsea Color Filter Emerald 2-Piece Set

[Jeweler's Tools] Limited Edition Chelsea Color Filter Emerald 2-Piece Set
Sold out [Limited to 6 stones] Rainbow Aquamarine 1 stone loose (avg. 0.7ct) [Multi-purchase discount available]

[Limited to 6 stones] Rainbow Aquamarine 1 stone loose (avg. 0.7ct) [Multi-purchase discount available]
Sold out Mini Kite Cut Loose Stone (Includes 2 Paraiba Tourmalines, Green Beryl, Ruby, Peridot, etc.) {Multiple Purchase Discounts Available}

Mini Kite Cut Loose Stone (Includes 2 Paraiba Tourmalines, Green Beryl, Ruby, Peridot, etc.) {Multiple Purchase Discounts Available}

Sold out コロンビア産エメラルドキャッツアイ1石ルース（平均0.35ct)《初めての方向け》

Colombian emerald cat's eye 1 stone loose (average 0.35ct)《For first-time users》《Multiple purchase discount available》

Sold out Morganite raw stone + 2 loose pieces (orange/pink, approx. 6 x 4 mm) 3-piece set《Multiple purchase discount available》

Morganite raw stone + 2 loose pieces (orange/pink, approx. 6 x 4 mm) 3-piece set《Multiple purchase discount available》

Sold out 《限定10石》通常49,800円の2.5ctブラジル産アクアマリン鑑付含む濃いめアクアマリンガチャ《複数購入割引有》

《限定10石》通常49,800円の2.5ctブラジル産アクアマリン鑑付含む濃いめアクアマリンガチャ《複数購入割引有》
Sold out Limited to 9 stones: One loose Brazilian rainbow aquamarine (average 1.0 carat, pear cut) [Multiple purchase discounts available]

Limited to 9 stones: One loose Brazilian rainbow aquamarine (average 1.0 carat, pear cut) [Multiple purchase discounts available]
Sold out Limited to 7 stones! May birthstone special offer! Colombian emerald cat's eye, 1 loose stone (highly transparent cat's eye) Multiple purchase discounts available

Limited to 7 stones! May birthstone special offer! Colombian emerald cat's eye, 1 loose stone (highly transparent cat's eye) Multiple purchase discounts available
Sold out 《Limited to 13 stones》Beryl Gacha (including Aquamarine Vortex Cut Koshu Kiseki Kiriko) 1 Loose Stone《Multi-purchase discount available》

《Limited to 13 stones》Beryl Gacha (including Aquamarine Vortex Cut Koshu Kiseki Kiriko) 1 Loose Stone《Multi-purchase discount available》
Sold out One loose, oil-free emerald from Russia (2.2mm, round cut) (Multiple purchase discounts available)

One loose, oil-free emerald from Russia (2.2mm, round cut) (Multiple purchase discounts available)

Sold out One loose, oil-free emerald from Russia (2.8mm, round cut) (Multiple purchase discounts available)

One loose, oil-free emerald from Russia (2.8mm, round cut) (Multiple purchase discounts available)
Sold out Limited to 6 stones: One loose, oil-free emerald from Russia (3.2mm, round cut) [Multiple purchase discounts available]

Limited to 6 stones: One loose, oil-free emerald from Russia (3.2mm, round cut) [Multiple purchase discounts available]
Sold out Kyanite from Nepal, 1 loose stone (indigo blue color, 4 x 6 mm, emerald cut) {Multiple purchase discount available}

Kyanite from Nepal, 1 loose stone (indigo blue color, 4 x 6 mm, emerald cut) {Multiple purchase discount available}
Sold out Limited to 14 stones: 1 Santa Maria aquamarine (March birthstone, average 0.39ct) Multiple purchase discounts available

Limited to 14 stones: 1 Santa Maria aquamarine (March birthstone, average 0.39ct) Multiple purchase discounts available
Sold out [#May2026Campaign, #May2026Gacha][On sale February 13, 10 PM] Limited 6 sets: Colombian Reverse Trapiche Emerald & Brazilian Emerald (Sugarloaf Cut) 2-stone set [Multi-buy discount available]

[#May2026Campaign, #May2026Gacha][On sale February 13, 10 PM] Limited 6 sets: Colombian Reverse Trapiche Emerald & Brazilian Emerald (Sugarloaf Cut) 2-stone set [Multi-buy discount available]
Sold out (In Stock) Lottery Sale 4 [For Winners Only] [Published on 12559711] Colombian Oil-Free Emerald 0.050ct Loose Stone (NONE) GIA

(In Stock) Lottery Sale 4 [For Winners Only] [Published on 12559711] Colombian Oil-Free Emerald 0.050ct Loose Stone (NONE) GIA
Sold out コロンビア産パイライトインエメラルド 4.680ctルース

[Deadline: Thursday, May 14th, 10 am JST] Lottery Sale_0508_10 Colombian Pyrite in Emerald Loose Stone, 4.680ct
Sold out US Benitoite 0.148ct Loose Stone (Emerald Cut) with Gem Identification Report

US Benitoite 0.148ct Loose Stone (Emerald Cut) with Gem Identification Report
Sold out Pt900 コロンビア産ミントカラーエメラルド 4mm/0.22ct ・ダイヤモンド0.16ctペンダントトップ（ネックレストップ）鑑別書

Pt900 Colombia Mint Color Emerald 4mm/0.22ct & Diamond 0.16ct Pendant Top with Certificate

Sold out ブラジル産サンタマリアアクアマリン 0.339ctルース

#202607 Akihabara Pop-up Store (currently out of office) #12563139 Listed: Brazilian Santa Maria Aquamarine, 0.339ct Loose Stone
Sold out コロンビア産パイライト・雲母インエメラルド 0.271ctルース 鑑別書

[On sale August 2nd at 10 PM] Colombian pyrite and mica-in-emerald 0.271ct loose stone with gemological report
Sold out アメリカ産レッドベリル 0.099ctルース

U.S. Red Beryl 3.1mm/0.099ct Loose Stone with Certificate
Sold out コロンビア産エメラルド 1.470ctルース

Colombian Emerald, 1.470 ct, Loose, with Origin Report (Houseki Kyo)

Sold out コロンビア産エメラルド 0.792ctルース

[Sale begins August 5th at 10 PM] Colombian Emerald 0.792ct Loose Stone with Certification
Sold out ザンビア産エメラルド 1.267ctルース

Zambian Emerald 1.267ct Loose Stone with Certificate
Sold out ザンビア産エメラルド 1.112ctルース 鑑別書

Zambian Emerald 1.112 ct Loose Gemstone with Certificate

Sold out コロンビア産パイライトインエメラルド 4.222ctルース

Colombian Pyrite in Emerald 4.222ct Loose Stone

Sold out コロンビア産エメラルド 0.135ctルース

Loose Colombian emerald, 0.135 ct, Hōki Kyō (Japan Gem Laboratory)
Sold out Pt900 エメラルド 0.30ct ・ダイヤモンド0.01ctペンダントトップ（ネックレストップ）

[Karafuru] Pt900 Emerald 0.30ct / Diamond 0.01ct Pendant Top
Sold out コロンビア産パイライトインエメラルド 3.817ctルース

Colombian pyrite emerald 3.817ct loose stone

Sold out コロンビア産エメラルド 0.167ctルース

Colombian emerald 0.167ct loose stone with jewel
Sold out コロンビア産パイライト・雲母インエメラルド 0.844ctルース

Colombian pyrite-mica emerald 0.844ct loose stone
Sold out 【12562862掲載】コロンビア産トラピッチェエメラルド 0.448ctルース

Colombian Trapiche Emerald, 0.446 ct, Loose Stone, with Certificate
Sold out Non-Oil Emerald 0.555ct Loose Stone by Nikkei

Non-Oil Emerald 0.555ct Loose Stone by Nikkei
Sold out Pt950 ブラジル産バイカラーエメラルド 1.084ct リング

[COLORFLE] Pt950 Brazil Bi-Color Emerald 1.084ct / Ice Blue Diamond 0.062ct Ring

Sold out 《Limited to 11 Stones》Aquamarine Gacha with Certified Santa Maria Aquamarine 《Multiple Purchase Discount Available》

《Limited to 11 Stones》Aquamarine Gacha with Certified Santa Maria Aquamarine 《Multiple Purchase Discount Available》
Sold out Colombian non-oil emerald (NONE) 0.060ct loose GIA

Colombian non-oil emerald (NONE) 0.060ct loose GIA
Sold out Colombian emerald 0.153ct rough stone

Colombian emerald 0.153ct rough stone
Sold out K18PG モルガナイト ペンダントトップ（ネックレストップ）

[Qalafull] K18PG Morganite and 0.04ct Diamond Pendant Top with Gemstone Certificate
Sold out 【12562785掲載】コロンビア産エメラルドキャッツアイ 0.574ctルース

Colombian emerald cat's eye 0.574ct loose stone
Sold out コロンビア産エメラルド 4.7mm/0.468ctルース

Colombian Emerald 4.7mm/0.468ct Loose Stone

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.