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【2/15 22時販売】《限定20石》通常69800円のピンクインペリアルトパーズが当たるインペリアルトパーズガチャ《複数購入割引有》

【2/15 22時販売】《限定20石》通常69800円のピンクインペリアルトパーズが当たるインペリアルトパーズガチャ《複数購入割引有》 Sale price¥4,980
【2/15 22時販売】《数量限定》ツーソンお楽しみガチャ💎8種の中から必ず1石（ベニトアイト、アントヒルガーネット、デュモルチェライトインクォーツ、ユーディエライトなど）《複数購入割引有》　

【2/15 22時販売】《数量限定》ツーソンお楽しみガチャ💎8種の中から必ず1石（ベニトアイト、アントヒルガーネット、デュモルチェライトインクォーツ、ユーディエライトなど）《複数購入割引有》　 Sale price¥3,980
【2/11 22時販売】《限定6石》マダガスカル産ペツォッタイトガチャ（2.2~2.5mm,ラウンドカット）《複数購入割引有》

【2/11 22時販売】《限定6石》マダガスカル産ペツォッタイトガチャ（2.2~2.5mm,ラウンドカット）《複数購入割引有》 Sale price¥3,980
【2/11 22時販売】《限定16石》ブルー石ガチャ（バイカラーベニトアイト・ブラジル産パライバトルマリン、サンタマリアアクアマリンなど）《複数購入割引有》

【2/11 22時販売】《限定16石》ブルー石ガチャ（バイカラーベニトアイト・ブラジル産パライバトルマリン、サンタマリアアクアマリンなど）《複数購入割引有》 Sale price¥4,980
[Available at 10 PM on January 30th] Limited to 6 Silky Pink Sapphires from Vietnam (Sanjay Cut, Round, 3.0-3.3mm) Gacha [Multiple Purchase Discounts Available]

[Available at 10 PM on January 30th] Limited to 6 Silky Pink Sapphires from Vietnam (Sanjay Cut, Round, 3.0-3.3mm) Gacha [Multiple Purchase Discounts Available] Sale price¥5,980
Limited to 14 stones: Brazilian dendritic quartz loose stone (average 7 carats) Multiple purchase discounts available

Limited to 14 stones: Brazilian dendritic quartz loose stone (average 7 carats) Multiple purchase discounts available Sale price¥2,980
Limited to 14 stones: Beryllium-heated sapphire (3.5mm, KEN cut) - 1 loose stone. Discounts available for multiple purchases.

Limited to 14 stones: Beryllium-heated sapphire (3.5mm, KEN cut) - 1 loose stone. Discounts available for multiple purchases. Sale price¥1,580
Limited Edition of 12 Diamonds: VS Equivalent Fluorescent Diamond Gacha with Bonus Mini Slice Diamond (Multiple Purchase Discounts Available)

Limited Edition of 12 Diamonds: VS Equivalent Fluorescent Diamond Gacha with Bonus Mini Slice Diamond (Multiple Purchase Discounts Available) Sale price¥6,980
Limited to 4 stones: Carving Gacha (pink tourmaline, average 3.4 carats) 1 loose stone (multiple purchase discounts available)

Limited to 4 stones: Carving Gacha (pink tourmaline, average 3.4 carats) 1 loose stone (multiple purchase discounts available) Sale price¥3,980
Limited to 10 stones: Tanzanite rough stone gacha including bicolor pink tanzanite rough stones (average 4.2 carats) [Multiple purchase discounts available]

Limited to 10 stones: Tanzanite rough stone gacha including bicolor pink tanzanite rough stones (average 4.2 carats) [Multiple purchase discounts available] Sale price¥6,980
Limited Edition of 12: Brazilian Indigolite Tourmaline Loose Stone (4x3mm, Oval Cut) - Multiple Purchase Discounts Available

Limited Edition of 12: Brazilian Indigolite Tourmaline Loose Stone (4x3mm, Oval Cut) - Multiple Purchase Discounts Available Sale price¥4,980
Limited to 11 stones: Sakura-shaped Contralus Opal and a specially cut Opal Gacha with one loose stone. Discounts available for multiple purchases.

Limited to 11 stones: Sakura-shaped Contralus Opal and a specially cut Opal Gacha with one loose stone. Discounts available for multiple purchases. Sale price¥3,980
Limited to 10 stones! Spinel Gacha: 1 loose stone including a 1.17ct bicolor spinel. Multiple purchase discounts available.

Limited to 10 stones! Spinel Gacha: 1 loose stone including a 1.17ct bicolor spinel. Multiple purchase discounts available. Sale price¥4,980
Limited Edition Synthetic Moissanite Gacha! 💎 Koshu Kiriko Plus Three Moissanite, Sange Cut, Pink, and Blue Moissanite Loose Stones Available. Multiple Purchase Discounts Available.

Limited Edition Synthetic Moissanite Gacha! 💎 Koshu Kiriko Plus Three Moissanite, Sange Cut, Pink, and Blue Moissanite Loose Stones Available. Multiple Purchase Discounts Available. Sale price¥4,980
Limited to 22 Sapphire Gacha (Includes Sakura In-Cut & Sakura Shape Sapphire, Bonus Hot Pink Sapphire) (Multiple Purchase Discounts Available)

Limited to 22 Sapphire Gacha (Includes Sakura In-Cut & Sakura Shape Sapphire, Bonus Hot Pink Sapphire) (Multiple Purchase Discounts Available) Sale price¥6,980
Limited to 10 stones: Koshu Precious Stone Kiriko "Broom" plusthree 45ct Dendritic Quartz Gacha (Includes 1 Copper Rutile in Quartz) (Multiple purchase discounts available)

Limited to 10 stones: Koshu Precious Stone Kiriko "Broom" plusthree 45ct Dendritic Quartz Gacha (Includes 1 Copper Rutile in Quartz) (Multiple purchase discounts available) Sale price¥3,980
コロンビア産エメラルド 37.764ct原石（ガチャラ鉱山）

Colombian emerald rough stone 37.764ct (Gachala mine) Sale price¥598,000
《17色》宝石ガチャガチャ💎新作モアッサナイト6.5mm（H&C ハート＆キューピッド）💎《複数購入割引有》 - カラッツSTORE

《17 colors》Gem Gacha💎Synthetic Moissanite 1 stone loose (H&C Heart & Cupid, 6.5mm)💎《Multiple purchase discount available》 Sale price¥5,980
{For beginners} Gem gacha💎 1 loose gemstone (Chrome tourmaline, Mahenge spinel, etc.) cut by Sri Lankan craftsman Sanjay {Multiple purchase discounts available}

{For beginners} Gem gacha💎 1 loose gemstone (Chrome tourmaline, Mahenge spinel, etc.) cut by Sri Lankan craftsman Sanjay {Multiple purchase discounts available} Sale price¥3,980
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
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
スリランカ産サファイア《ラトゥナプラ》1石ルース(平均0.75ct)

Gem Gacha💎 Sri Lankan Sapphire《Ratnapura》1 loose stone (average 0.75ct)《Multiple purchase discount available》 Sale price¥5,980
Gem Gacha💎 Custom cut spinel《August birthstone》《Multiple purchase discounts available》

Gem Gacha💎 Custom cut spinel《August birthstone》《Multiple purchase discounts available》 Sale price¥5,980
coming soon 【2/22 22時販売】《限定10石》鑑別書付きオーストラリア産ブラック含むオーストラリア産オパールガチャ（さらにメキシコ産ファイアオパール1石）《複数購入割引有》

【2/22 22時販売】《限定10石》鑑別書付きオーストラリア産ブラック含むオーストラリア産オパールガチャ（さらにメキシコ産ファイアオパール1石）《複数購入割引有》 Sale price¥6,980
coming soon 【2/21 22時販売】《限定9石》通常29,800円の甲州貴石切子plus threeを含むシトリンガチャ《複数購入割引有》

【2/21 22時販売】《限定9石》通常29,800円の甲州貴石切子plus threeを含むシトリンガチャ《複数購入割引有》 Sale price¥3,980
Sold out 【2/14 22時販売】《限定12石》通常69,800円の20mmさくらインカットやダンデライオンカットを含む5ct以上ビッグジェムガチャ💎《複数購入割引有》

【2/14 22時販売】《限定12石》通常69,800円の20mmさくらインカットやダンデライオンカットを含む5ct以上ビッグジェムガチャ💎《複数購入割引有》
Sold out 【2/11 22時販売】《限定5石》カービングガチャ💎グリーンクォーツ、レモンクォーツ、ブルートパーズ《複数購入割引有》

【2/11 22時販売】《限定5石》カービングガチャ💎グリーンクォーツ、レモンクォーツ、ブルートパーズ《複数購入割引有》
coming soon 【2/22 22時販売】《限定13石》メキシコ産オパール（カボションカット）ガチャ《複数購入割引有》

【2/22 22時販売】《限定13石》メキシコ産オパール（カボションカット）ガチャ《複数購入割引有》 Sale price¥2,980
coming soon 【2/22 22時販売】《限定13石》バイカラーガチャ💎通常79,800円のバイカラースフェーン、通常39,800円のパーティーカラーパライバトルマリンなど《複数購入割引有》

【2/22 22時販売】《限定13石》バイカラーガチャ💎通常79,800円のバイカラースフェーン、通常39,800円のパーティーカラーパライバトルマリンなど《複数購入割引有》 Sale price¥5,980
coming soon 【2/21 22時販売】《限定10石》カラーチェンジガチャ💎通常39,800円のロシア産アレキサンドライトやブラジル産アレキサンドライト、タンザニア産カラーチェンジガーネットの3種類《複数購入割引有》

【2/21 22時販売】《限定10石》カラーチェンジガチャ💎通常39,800円のロシア産アレキサンドライトやブラジル産アレキサンドライト、タンザニア産カラーチェンジガーネットの3種類《複数購入割引有》 Sale price¥6,980
Sold out シミズ貴石様ダンデライオンカットの7mmモルガナイト含む💎モルガナイトガチャ《複数購入割引有》

シミズ貴石様ダンデライオンカットの7mmモルガナイト含む💎モルガナイトガチャ《複数購入割引有》
Sold out Discounted Gem Gacha! 💎 Diamonds with sorting, Brazilian Paraiba tourmalines, cinnabar, and more (Multiple purchase discounts available)

Discounted Gem Gacha! 💎 Diamonds with sorting, Brazilian Paraiba tourmalines, cinnabar, and more (Multiple purchase discounts available)

Sold out 【2/8 22時販売】《限定11石》通常74,800円の甲州貴石切子plusthree「彩」含むスフェーンガチャ《複数購入割引有》

【2/8 22時販売】《限定11石》通常74,800円の甲州貴石切子plusthree「彩」含むスフェーンガチャ《複数購入割引有》
Sold out 【2/7 22時販売】ロシア産ノンオイルエメラルド等含む💎エメラルドガチャ（エメラルドキャッツアイや特殊カット含む）《複数購入割引有》

【2/7 22時販売】ロシア産ノンオイルエメラルド等含む💎エメラルドガチャ（エメラルドキャッツアイや特殊カット含む）《複数購入割引有》
Sold out [Available at 10 PM on February 2nd] Limited Edition 13 Stones Rare Stone Gacha💎 Shinsha, Mozambique Paraiba Tourmaline, Kornerupine, and Epidote (Multiple Purchase Discounts Available)

[Available at 10 PM on February 2nd] Limited Edition 13 Stones Rare Stone Gacha💎 Shinsha, Mozambique Paraiba Tourmaline, Kornerupine, and Epidote (Multiple Purchase Discounts Available)
Sold out [Available at 10 PM on February 2nd] [Limited to 13 stones] Win Koshu Precious Stone Kiriko Plus Three "Subaru" with the Andesin Gacha! [Multiple purchase discounts available]

[Available at 10 PM on February 2nd] [Limited to 13 stones] Win Koshu Precious Stone Kiriko Plus Three "Subaru" with the Andesin Gacha! [Multiple purchase discounts available]
Sold out [Available at 10 PM on February 2nd] [Limited to 10 stones] Paraiba Tourmaline and Kornerupine Raw Stone Gacha [Multiple purchase discounts available]

[Available at 10 PM on February 2nd] [Limited to 10 stones] Paraiba Tourmaline and Kornerupine Raw Stone Gacha [Multiple purchase discounts available]
Sold out [Available at 10 PM on February 6th] Limited Edition 5 Stones: Approximately 3.3mm VS-Class Diamond Gacha (Usually ¥29,800 Value Included / All Stones Come with Central Gem Laboratory Sorting) [Multiple Purchase Discounts Available]

[Available at 10 PM on February 6th] Limited Edition 5 Stones: Approximately 3.3mm VS-Class Diamond Gacha (Usually ¥29,800 Value Included / All Stones Come with Central Gem Laboratory Sorting) [Multiple Purchase Discounts Available]
Sold out [Available at 10 PM on February 2nd] Limited to 20 stones: Russian Alexandrite, Chrysoberyl Twin Cat's Eye, and Alexandrite Gacha [Multiple purchase discounts available]

[Available at 10 PM on February 2nd] Limited to 20 stones: Russian Alexandrite, Chrysoberyl Twin Cat's Eye, and Alexandrite Gacha [Multiple purchase discounts available]
Sold out Fun Gem Gacha! 💎 Get diamonds (normally 29,800 yen) (D/VS/3EX H&C with Medium Certificate), special cut Oresund and Unloved, and more! (Multiple purchase discounts available)

Fun Gem Gacha! 💎 Get diamonds (normally 29,800 yen) (D/VS/3EX H&C with Medium Certificate), special cut Oresund and Unloved, and more! (Multiple purchase discounts available)

Sold out [Available at 10 PM on January 31st] [Limited Stock] Dominican Republic Conch Pearl & Shell Gacha Loose Stone, Including Rare Semi-White and Flame Patterns [Multiple Purchase Discounts Available]

[Available at 10 PM on January 31st] [Limited Stock] Dominican Republic Conch Pearl & Shell Gacha Loose Stone, Including Rare Semi-White and Flame Patterns [Multiple Purchase Discounts Available]
Sold out [Available at 10 PM on January 1st] [Limited to 16 stones] Win Cornflower Blue and Royal Blue Sapphires with Certificates of Authenticity in the Blue Sapphire Gacha! [Multiple purchase discounts available]

[Available at 10 PM on January 1st] [Limited to 16 stones] Win Cornflower Blue and Royal Blue Sapphires with Certificates of Authenticity in the Blue Sapphire Gacha! [Multiple purchase discounts available]
Sold out [Available at 10 PM on January 23rd] Limited Edition 13 Stones! Rare Stone Gacha! 💎 Zimbabwean Euclase, Shinsha, Red Beryl, Kornerupine, Benitoite, Clinozoisite, and More, Normally ¥39,800! [Multiple Purchase Discounts Available]

[Available at 10 PM on January 23rd] Limited Edition 13 Stones! Rare Stone Gacha! 💎 Zimbabwean Euclase, Shinsha, Red Beryl, Kornerupine, Benitoite, Clinozoisite, and More, Normally ¥39,800! [Multiple Purchase Discounts Available]
Sold out [Available at 10 PM on January 24th] [Limited to 15 stones] Kornerupine Lottery 💎 Win a 0.413ct Tanzanian kornerupine (prismatine) with a Japanese-German grade (plus a free kornerupine from Ken) [Multiple purchase discounts available]

[Available at 10 PM on January 24th] [Limited to 15 stones] Kornerupine Lottery 💎 Win a 0.413ct Tanzanian kornerupine (prismatine) with a Japanese-German grade (plus a free kornerupine from Ken) [Multiple purchase discounts available]
Sold out [On sale 1/18 at 10 PM] FANCY PURPLISH PINK/SI-1/Includes Pink Diamond Gacha (Multiple purchase discounts available)

[On sale 1/18 at 10 PM] FANCY PURPLISH PINK/SI-1/Includes Pink Diamond Gacha (Multiple purchase discounts available)

Sold out [Available at 10 PM on January 12th] Limited to 10 Blue Rare Stones Gacha💎 (Brazilian Paraiba Tourmaline, Indigolite Tourmaline, Benitoite, and Cobalt Spinel) [Multiple Purchase Discounts Available]

[Available at 10 PM on January 12th] Limited to 10 Blue Rare Stones Gacha💎 (Brazilian Paraiba Tourmaline, Indigolite Tourmaline, Benitoite, and Cobalt Spinel) [Multiple Purchase Discounts Available]
Sold out Panda Cut Gacha💎 Brazilian Paraiba Tourmaline (0.226ct/CuO: 0.7%, MnO: 2.5%) - 1 Stone, 5 Panda Cut Stones (Multiple Purchase Discounts Available)

Panda Cut Gacha💎 Brazilian Paraiba Tourmaline (0.226ct/CuO: 0.7%, MnO: 2.5%) - 1 Stone, 5 Panda Cut Stones (Multiple Purchase Discounts Available)
Sold out [Available at 10 PM on January 11th] Limited to 15 stones. Koshu Precious Stones "Moon-Shaped Cut Glass" Blue Topaz Loose Gacha Set, including 10ct Blue Topaz. Discounts available for multiple purchases.

[Available at 10 PM on January 11th] Limited to 15 stones. Koshu Precious Stones "Moon-Shaped Cut Glass" Blue Topaz Loose Gacha Set, including 10ct Blue Topaz. Discounts available for multiple purchases.

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.