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[On Sale at 10 PM on October 12th] [Limited to 7 stones] One loose, oil-free emerald from Russia (1.5-1.6mm, step cut) [Multiple purchase discounts available]

[On Sale at 10 PM on October 12th] [Limited to 7 stones] One loose, oil-free emerald from Russia (1.5-1.6mm, step cut) [Multiple purchase discounts available] Sale price¥5,980
コロンビア産エメラルド 0.121ctルース

Colombian emerald 0.121ct loose stone Sale price¥12,800
ブラジル産ミントカラーエメラルド 0.491ctルース

[11/2 22:00] Brazilian mint-colored emerald 0.491ct loose stone Sale price¥15,800
coming soon [12559637] Colombian emerald 0.176ct loose stone

[12559637] Colombian emerald 0.176ct loose stone Sale price¥59,800
coming soon [12559636] Colombian emerald 0.126ct loose stone

[12559636] Colombian emerald 0.126ct loose stone Sale price¥49,800
Brazilian emerald 3.3mm/0.119ct loose

Brazilian emerald 3.3mm/0.119ct loose Sale price¥22,800
ブラジル産エメラルドキャッツアイ0.459ctルース

Brazilian emerald cat's eye 0.459ct loose Sale price¥5,980
コロンビア産パイライトインエメラルド 7.836ctルース

Colombian pyrite in emerald 7.836ct loose Sale price¥398,000
アクアマリン 0.334ctルース

[On Sale at 10pm on 10/23] Brazilian Aquamarine 0.334ct Loose Stone Sale price¥6,980
インド産クリソベリル 0.424ctルース

[On Sale at 10 PM on October 24th] Indian Chrysoberyl 0.424ct Loose Stone (Canary Yellow) Sale price¥15,800
ブラジル産アレキサンドライト 0.097ctルース

[On Sale at 10 PM on October 13th] Brazilian Alexandrite 0.097ct Loose Stone (Emerald Cut) Sale price¥38,800
K18YG ミャンマー産翡翠（ヒスイ） 0.434ct・エメラルドリング

[On sale from 10/11 at 10 PM] 18K Yellow Gold Myanmar Jadeite and Emerald 0.434ct Ring Sale price¥79,800
[Available at 10/12 22:00] 18K Yellow Gold Brazilian Santa Maria Aquamarine 0.284ct Pendant (Necklace)

[Available at 10/12 22:00] 18K Yellow Gold Brazilian Santa Maria Aquamarine 0.284ct Pendant (Necklace) Sale price¥49,800
ブラジル産モルガナイト 0.484ctルース

[10/17 22:00 Sale] Brazilian Morganite 0.484ct Loose Stone Sale price¥12,800
ブラジル産モルガナイト 0.377ctルース

[10/17 22:00 Sale] Brazilian Morganite 0.377ct Loose Stone Sale price¥8,800
ブラジル産アクアマリン 0.428ctルース

[10/17 22:00 Sale] Brazilian Aquamarine 0.428ct Loose Stone Sale price¥8,800
ロシア産エメラルド 0.387ctルース

[On Sale at 10 PM on October 12th] Russian Emerald 0.387ct Loose Stone (F1, Minor Enhancement) GIA Sale price¥128,000
ロシア産エメラルド 0.282ctルース

[On Sale at 10 PM on October 12th] Russian Emerald 0.282ct Loose Stone (F1, Minor Enhancement) GIA Sale price¥128,000
コロンビア産トラピッチェエメラルド 0.538ct原石

[12551692] Colombian Trapiche Emerald 0.538ct Rough Stone Sale price¥22,800
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
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
Limited to 13 stones Gem gacha💎 Beautiful colored tanzanite 7mm, special cut sphene, heliodor (lots of inclusions) 1 loose stone Multiple purchase discounts available

Limited to 13 stones Gem gacha💎 Beautiful colored tanzanite 7mm, special cut sphene, heliodor (lots of inclusions) 1 loose stone Multiple purchase discounts available Sale price¥4,980
[Jeweler's Tools] Limited Edition Chelsea Color Filter Emerald 2-Piece Set

[Jeweler's Tools] Limited Edition Chelsea Color Filter Emerald 2-Piece Set Sale price¥6,980
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》 Sale price¥12,800
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 Sale price¥6,980
Limited to 25 stones: 1 Brazilian Santa Maria aquamarine (round cut, approx. 3.0 mm) Multiple purchase discounts available

Limited to 25 stones: 1 Brazilian Santa Maria aquamarine (round cut, approx. 3.0 mm) Multiple purchase discounts available Sale price¥5,980
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 Sale price¥7,980
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
Limited to 8 pieces: 1 Nigerian Morganite loose stone (April birthstone, average 1 carat) Multiple purchase discounts available

Limited to 8 pieces: 1 Nigerian Morganite loose stone (April birthstone, average 1 carat) Multiple purchase discounts available Sale price¥4,980
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 Sale price¥3,980
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. Sale price¥2,980
モルガナイト1石（オーバルカット,5×7mm）《4月新誕生石》

Morganite 1 stone (oval cut, 5 x 7mm)《New birthstone for April》《Discount available for multiple purchases》 Sale price¥3,980
Limited to 9 stones: 1 Brazilian Santa Maria aquamarine (round cut, approx. 3.2mm) Multiple purchase discounts available

Limited to 9 stones: 1 Brazilian Santa Maria aquamarine (round cut, approx. 3.2mm) Multiple purchase discounts available Sale price¥5,980
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} Sale price¥6,980
Limited to 6 stones: 1 Brazilian Santa Maria aquamarine (March birthstone, princess cut 2.5mm) Multiple purchase discounts available

Limited to 6 stones: 1 Brazilian Santa Maria aquamarine (March birthstone, princess cut 2.5mm) Multiple purchase discounts available Sale price¥2,980
Limited to 6 stones: Aquamarine + Iolite loose stone set of 2 (March birthstone) Multiple purchase discounts available

Limited to 6 stones: Aquamarine + Iolite loose stone set of 2 (March birthstone) Multiple purchase discounts available Sale price¥2,980
ブラジル産アクアマリン 8.858ctルース

[On Sale at 10pm on October 5th] Brazilian Aquamarine 8.858ct Loose Stone Sale price¥198,000
Aquamarine 1.574ct loose stone

Aquamarine 1.574ct loose stone Sale price¥9,800
ベトナム産アクアマリン 1.728ctルース

[On Sale at 10pm on 10/7] 1.728ct Loose Aquamarine from Vietnam Sale price¥18,800
ナイジェリア産モルガナイト 1.149ctルース

[On sale at 10pm on September 28th] Nigerian Morganite 1.149ct Loose Stone Sale price¥19,800
コロンビア産エメラルドキャッツアイ 0.190ctルース

Colombian emerald cat's eye 0.190ct loose Sale price¥15,800
Pt950ベニトアイト0.10ct・アクアマリン・ブルーダイヤモンドリング - カラッツSTORE

Pt950 Benitoite 0.10ct Aquamarine Blue Diamond Ring Sale price¥89,800
コロンビア産トラピッチェエメラルド 1.448ctルース

[On Sale at 10 PM on September 22nd] Colombian Trapiche Emerald 1.448ct Loose Sale price¥69,800
ブラジル産バイカラーベリル 0.556ctルース

[On Sale at 10 PM on September 20th] Brazilian Bicolor Beryl 0.556ct Loose Stone Sale price¥29,800
コロンビア産雲母インエメラルド 1.314ctルース

Colombian mica in emerald 1.314ct loose Sale price¥39,800
アメリカ産レッドベリル 0.173ctルース

Red beryl 0.173ct loose Sale price¥29,800
トラピッチェエメラルド 0.650ctルース（逆トラピッチェ）

Trapiche emerald 0.650ct loose (reverse trapiche) Sale price¥6,980
コロンビア産エメラルド 0.222ctルース

[On Sale at 10 PM on September 11th] Colombian Emerald 0.222ct Loose Sale price¥59,800

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.