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バイカラートルマリン 0.505ctルース（ローズカット）

Bicolor tourmaline 0.505ct loose (rose cut) Sale price¥8,800
バイカラートルマリン 0.669ctルース（ローズカット）

Bicolor tourmaline 0.669ct loose (rose cut) Sale price¥9,800
バイカラートルマリン 0.549ctルース（ローズカット）

Bicolor tourmaline 0.549ct loose (rose cut) Sale price¥9,800
カラーチェンジサファイア 0.351ctルース

Color change sapphire 0.351ct loose Sale price¥4,980
ブラジル産ブルートルマリン 0.376ctルース

Brazilian blue tourmaline 0.376ct loose Sale price¥8,800
デンドリティッククォーツ 7.997ctルース

Dendritic quartz 7.997ct loose Sale price¥9,800
1 stone of Brazilian blue tourmaline (3 x 4 mm pear shape/oval cut/3 x 5 mm pear shape/4 x 5 mm oval cut)《Discount available for multiple purchases》

1 stone of Brazilian blue tourmaline (3 x 4 mm pear shape/oval cut/3 x 5 mm pear shape/4 x 5 mm oval cut)《Discount available for multiple purchases》 Sale priceFrom ¥2,980
ブラジル産レピドクロサイトインクォーツ 2.589ctルース

Brazilian lepidocrocite in quartz 2.589ct loose Sale price¥5,980
ブラジル産レピドクロサイトインクォーツ 2.225ctルース

Brazilian lepidocrocite in quartz 2.225ct loose Sale price¥4,980
ブラジル産レピドクロサイトインクォーツ 1.621ctルース

Brazilian lepidocrocite in quartz 1.621ct loose Sale price¥3,980
イギリス産ロジャリーフローライト 4.738ctルース

British Rosary Fluorite 4.738ct loose Sale price¥9,800
イギリス産ロジャリーフローライト 1.841ctルース

British Rosary Fluorite 1.841ct loose Sale price¥5,980
合成ルチル 6mm/1.061ctルース

Synthetic rutile 6mm/1.061ct loose Sale price¥8,800
【一律1000円】アメリカ産・ハーキマーダイヤモンド（ロッククリスタル）1石 原石

[Flat rate 1000 yen] 1 American Herkimer diamond (rock crystal) rough stone (discount available for multiple purchases) Sale price¥1,000
アゲート 34.143ctルース

Agate 34.143ct Ruth (Druzy Agate) Sale price¥3,980
アゲート 56.919ctルース

Agate 56.919ct Ruth (Druzy Agate) Sale price¥3,980
アゲート 35.084ctルース

Agate 35.084ct Ruth (Druzy Agate) Sale price¥3,980
アゲート 64.882ctルース

Agate 64.882ct Ruth (Druzy Agate) Sale price¥4,980
デンドリティックアゲート 7.179ctルース

Dendritic Agate 7.179ct loose Sale price¥9,800
デンドリティックアゲート 3.721ctルース

Dendritic Agate 3.721ct loose Sale price¥5,980
デンドリティックアゲート 4.437ctルース

Dendritic Agate 4.437ct loose Sale price¥4,980
デンドリティックアゲート 4.533ctルース

Dendritic Agate 4.533ct loose Sale price¥6,980
デンドリティックアゲート 6.449ctルース

Dendritic Agate 6.449ct loose Sale price¥9,800
Dendritic Agate 6.456ct loose

Dendritic Agate 6.456ct loose Sale price¥9,800
デンドリティックアゲート 3.505ctルース

Dendritic Agate 3.505ct loose Sale price¥5,980
Indian Andesine Labradorite (hexagonal cut, 3 x 5mm) 1 stone (discount available for multiple purchases)

Indian Andesine Labradorite (hexagonal cut, 3 x 5mm) 1 stone (discount available for multiple purchases) Sale price¥2,980
【5/21 22時販売】【KEN氏】 メキシコ産オパール1石（約3.5mm）《複数購入割引有》 - カラッツSTORE

1 Mexican opal (approx. 3.5mm) {Multiple purchase discounts available} Sale price¥3,980
【5/20 22時販売】ユーパーライト 1石 （平均28ct）原石《複数購入割引有》 - カラッツSTORE

Euperlite 1 stone approx. 20ct-25ct (Michigan, USA) {Multiple purchase discount} Sale price¥1,980
1 American Herkimer Diamond (rock crystal) 💎 (child-bearing type)《Multiple purchase discount available》

1 American Herkimer Diamond (rock crystal) 💎 (child-bearing type)《Multiple purchase discount available》 Sale price¥2,980
Madeira Citrine 1 stone 💎5mm-6mm (Madeira Citrine)《November birthstone》《Multiple purchase discount available》

Madeira Citrine 1 stone 💎5mm-6mm (Madeira Citrine)《November birthstone》《Multiple purchase discount available》 Sale price¥2,580
ジェムガチャ💎 アフガナイト1石 ルース（平均0.14ct）《複数購入割引有》

Gem Gacha💎 Afghanite 1 stone loose (average 0.14ct) {Multiple purchase discount available} Sale price¥9,800
Gem Gacha💎 Lepidolite in Quartz 1 stone《Multiple purchase discount available》

Gem Gacha💎 Lepidolite in Quartz 1 stone《Multiple purchase discount available》 Sale price¥3,980
[Available at 10 PM on August 11th] Limited to 10 stones: Pakistani Oil-in-Quartz (Moving Bubbles) - Single Loose Stone (Multiple Purchase Discounts Available)

[Available at 10 PM on August 11th] Limited to 10 stones: Pakistani Oil-in-Quartz (Moving Bubbles) - Single Loose Stone (Multiple Purchase Discounts Available) Sale price¥2,980
Diamond 1.2mm (VS class, DG color, round cut, melee diamond) 1 loose stone {Multiple purchase discounts available}

Diamond 1.2mm (VS class, DG color, round cut, melee diamond) 1 loose stone {Multiple purchase discounts available} Sale price¥1,980
カラーチェンジアンデシン1石（3mm,ラウンドカット）《複数購入割引有》

Color change Andesine 1 stone (3mm, round cut)《Discount available for multiple purchases》 Sale price¥2,980
Dragon Garnet x 1 (3.5mm, round cut) {Multiple purchase discount available}

Dragon Garnet x 1 (3.5mm, round cut) {Multiple purchase discount available} Sale price¥3,980
1 dragon garnet stone (4.5mm, round cut)

1 dragon garnet stone (4.5mm, round cut) Sale price¥5,980
[Available at 10 PM on August 11th] Limited to 9 stones: 1 loose Mexican opal stone [Multiple purchase discounts available]

[Available at 10 PM on August 11th] Limited to 9 stones: 1 loose Mexican opal stone [Multiple purchase discounts available] Sale price¥1,980
Gem Gacha💎Chalcedony Gacha (1 in 5 will win a camellia cut)《Multiple purchase discounts available》

Gem Gacha💎Chalcedony Gacha (1 in 5 will win a camellia cut)《Multiple purchase discounts available》 Sale price¥3,980
Gem Gacha💎 Cat Set (1 gemstone + 2 sapphires) {Multiple purchase discounts available}

Gem Gacha💎 Cat Set (1 gemstone + 2 sapphires) {Multiple purchase discounts available} Sale price¥3,333
{Only 3 left} Yuichiro Abe goods set [adult size T-shirt & coaster]

{Only 3 left} Yuichiro Abe goods set [adult size T-shirt & coaster] Sale price¥2,980
1 blue fluorescent diamond (H&C, 3EX, VS-SI class equivalent, 2.0mm) {Multiple purchase discount available}

1 blue fluorescent diamond (H&C, 3EX, VS-SI class equivalent, 2.0mm) {Multiple purchase discount available} Sale price¥8,980
Rose cut diamond 1.2mm x 1 stone (VS-SI class, DH color, melee diamonds) {Multiple purchase discounts available}

Rose cut diamond 1.2mm x 1 stone (VS-SI class, DH color, melee diamonds) {Multiple purchase discounts available} Sale price¥2,980
【パンダカット】ローズクォーツ 5.081ctルース

[Panda cut] Rose quartz 5.081ct loose Sale price¥8,800
【パンダカット】ホワイトクォーツ（ミルキークォーツ） 4.477ctルース

[Panda cut] White quartz (milky quartz) 4.477ct loose Sale price¥8,800
【パンダカット】ムーンストーン 5.476ctルース

[Panda cut] Moonstone 5.476ct loose Sale price¥8,800
1 Ruby from Greenland (round cut, 1.2mm)《Discount available for multiple purchases》

1 Ruby from Greenland (round cut, 1.2mm)《Discount available for multiple purchases》 Sale price¥2,280
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

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.