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Gem Gacha

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coming soon 【10/22 22時販売】《限定10石》ロンドンブルーダイヤモンドガチャ1石ルース（3.6mm含む,VS-SIクラス相当,トリートメント）《複数購入割引有》

【10/22 22時販売】《限定10石》ロンドンブルーダイヤモンドガチャ1石ルース（3.6mm含む,VS-SIクラス相当,トリートメント）《複数購入割引有》 Sale price¥2,980
【10/19 22時販売】《限定10石》バイカラースピネル1.17ctを含むスピネルガチャ 1石ルース《複数購入割引有》

【10/19 22時販売】《限定10石》バイカラースピネル1.17ctを含むスピネルガチャ 1石ルース《複数購入割引有》 Sale price¥4,980
【10/19　22時販売】《限定10石》パライバトルマリンガチャ💎パライバトルマリンやパライバトルマリンインクォーツ1石ルース《複数購入割引有》

【10/19　22時販売】《限定10石》パライバトルマリンガチャ💎パライバトルマリンやパライバトルマリンインクォーツ1石ルース《複数購入割引有》 Sale price¥6,980
【10/17 22時販売】《残り僅か》カラーチェンジガチャ💎ミャンマー産カラーチェンジジルコン、カラーシフトサファイア、カラーシフトコバルトスピネルなど《複数購入割引有》

【10/17 22時販売】《残り僅か》カラーチェンジガチャ💎ミャンマー産カラーチェンジジルコン、カラーシフトサファイア、カラーシフトコバルトスピネルなど《複数購入割引有》 Sale price¥4,980
[On Sale 10/5 at 10 PM] [Limited to 11 Stones] Synthetic Moissanite Gacha 💎 Koshu Kiriko Plus Three Moissanite, Sange Cut, Pink, and Blue Moissanite, Loose Stones Included [Multiple Purchase Discounts Available]

[On Sale 10/5 at 10 PM] [Limited to 11 Stones] Synthetic Moissanite Gacha 💎 Koshu Kiriko Plus Three Moissanite, Sange Cut, Pink, and Blue Moissanite, Loose Stones Included [Multiple Purchase Discounts Available] Sale price¥4,980
[Available at 10 PM on September 21st] Limited to 20 stones. Includes 2 Koshu Kiriko Fire Opals. 1 loose fire opal gacha. Discounts available for multiple purchases.

[Available at 10 PM on September 21st] Limited to 20 stones. Includes 2 Koshu Kiriko Fire Opals. 1 loose fire opal gacha. Discounts available for multiple purchases. Sale price¥4,980
[Available at 10 PM on September 28th] [Limited to 16 stones] Loose tourmaline gacha featuring special cuts including Sakura in cut (from Congo) and Dandelion cut (from Brazil) [Multiple purchase discounts available]

[Available at 10 PM on September 28th] [Limited to 16 stones] Loose tourmaline gacha featuring special cuts including Sakura in cut (from Congo) and Dandelion cut (from Brazil) [Multiple purchase discounts available] Sale price¥4,980
[Available at 10 PM on September 7th] [Limited to 10 stones] Koshu Precious Stone Kiriko "Broom" plusthree 45ct Dendritic Quartz Gacha (Includes 1 Copper Rutile in Quartz) [Multiple purchase discounts available]

[Available at 10 PM on September 7th] [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
[Available at 10 PM on September 6th] Limited to 10 Blue Spinel Gacha - Includes 2 Cobalt Spinel (including color-shifted type) with Japanese and German appraisal certificates - Bonus Synthetic Cobalt Spinel (Multiple purchase discounts available)

[Available at 10 PM on September 6th] Limited to 10 Blue Spinel Gacha - Includes 2 Cobalt Spinel (including color-shifted type) with Japanese and German appraisal certificates - Bonus Synthetic Cobalt Spinel (Multiple purchase discounts available) Sale price¥5,980
[On sale September 7th at 10 PM] Limited to 15 stones: ¥60,000 worth of Musgravite, Taaffeite, Cobalt Garnite, Spinel & Friends Gacha, and more (bonus: 1 Platinum Spinel) [Multiple purchase discounts available]

[On sale September 7th at 10 PM] Limited to 15 stones: ¥60,000 worth of Musgravite, Taaffeite, Cobalt Garnite, Spinel & Friends Gacha, and more (bonus: 1 Platinum Spinel) [Multiple purchase discounts available] Sale price¥8,800
[3 sets left] Gemstone Gacha 💎 1 of the Three Great Gemstones Gacha + 2 Loose Pink Sapphires [Multiple purchase discounts available]

[3 sets left] Gemstone Gacha 💎 1 of the Three Great Gemstones Gacha + 2 Loose Pink Sapphires [Multiple purchase discounts available] Sale price¥6,980
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
Limited to 9 sets Diamond Gacha 💎 Yellow Diamond Rough Stone and Loose Stone Set of 2 《Multiple Purchase Discounts Available》

Limited to 9 sets Diamond Gacha 💎 Yellow Diamond Rough Stone and Loose Stone Set of 2 《Multiple Purchase Discounts Available》 Sale price¥2,980
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
Limited to 10 stones Gem gacha💎 [Mr. Sanje] Tanzanian spinel (1 in 3 will be a red spinel) 1 loose stone [Multiple purchase discounts available]

Limited to 10 stones Gem gacha💎 [Mr. Sanje] Tanzanian spinel (1 in 3 will be a red spinel) 1 loose stone [Multiple purchase discounts available] Sale price¥5,980
[Limited to 24 stones] Tourmaline Gacha💎Indigolite tourmaline, clover cut, and other single loose stones {Multiple purchase discounts available}

[Limited to 24 stones] Tourmaline Gacha💎Indigolite tourmaline, clover cut, and other single loose stones {Multiple purchase discounts available} Sale price¥2,580
宝石ガチャ💎ハートシェイプのトルマリン1石💎4mm《複数購入割引有》

Gem Gacha💎Heart-shaped tourmaline 1 stone💎4mm《Multiple purchase discount available》 Sale price¥2,980
宝石ガチャ💎プリンセスカットのトルマリン1石💎 3mm《複数購入割引有》

Gem Gacha💎Princess cut tourmaline 1 stone💎 3mm《Multiple purchase discount available》 Sale price¥2,980
宝石ガチャ💎クッションカットのトルマリン1石💎 4mm《複数購入割引有》

Gem Gacha💎1 cushion cut tourmaline stone💎 4mm《Multiple purchase discount available》 Sale price¥2,980
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
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
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
Sold out 【10/13 22時販売】《限定10石》バイカラーガチャ💎ジンバブエ産ユークレース2石（平均0.088ct）、バイカラーサファイア1.03ct、バイカラークリソベリルなど《複数購入割引有》

【10/13 22時販売】《限定10石》バイカラーガチャ💎ジンバブエ産ユークレース2石（平均0.088ct）、バイカラーサファイア1.03ct、バイカラークリソベリルなど《複数購入割引有》
Sold out 【10/13 22時販売】《限定11石》レアストーンガチャ💎ブラジル・バターリャ産パライバトルマリン0.23ct2石やピンクダイヤやベニトアイト1石ルース《複数購入割引有》

【10/13 22時販売】《限定11石》レアストーンガチャ💎ブラジル・バターリャ産パライバトルマリン0.23ct2石やピンクダイヤやベニトアイト1石ルース《複数購入割引有》
Sold out 辰砂ガチャ💎ファセットカット2石含む中国産シンシャ・辰砂1石ルース（全石鑑別書付き）1石ルース《複数購入割引有》

辰砂ガチャ💎ファセットカット2石含む中国産シンシャ・辰砂1石ルース（全石鑑別書付き）1石ルース《複数購入割引有》

Sold out 【10/12 22時販売】ピンクダイヤガチャ💎（FANCY LIGHT PURPLISH PINK/0.05ct/SI-2 中宝ソ付きを2石含む）《複数購入割引有》

【10/12 22時販売】ピンクダイヤガチャ💎（FANCY LIGHT PURPLISH PINK/0.05ct/SI-2 中宝ソ付きを2石含む）《複数購入割引有》

Sold out 【10/12 22時販売】《限定10石》ブルー石ガチャ（ブラジル産パライバトルマリン0.088ct、ジンバブエ産ユークレース、コバルトガーナイト）《複数購入割引有》

【10/12 22時販売】《限定10石》ブルー石ガチャ（ブラジル産パライバトルマリン0.088ct、ジンバブエ産ユークレース、コバルトガーナイト）《複数購入割引有》

Sold out [Available at 10 PM on 10/11] [Limited to 15 stones] Blue Stone Gacha (Top Color Benitoite 2.0mm, Paraiba Tourmaline in Quartz, Unheated Yogo Sapphire) [Multiple Purchase Discounts Available]

[Available at 10 PM on 10/11] [Limited to 15 stones] Blue Stone Gacha (Top Color Benitoite 2.0mm, Paraiba Tourmaline in Quartz, Unheated Yogo Sapphire) [Multiple Purchase Discounts Available]
Sold out [On Sale 10/10 at 10 PM] [Limited to 20 stones] Koshu Precious Stone Kiriko Plus Three: Includes two carefully cut Oregon Sunstones in the Loose Stone Gacha [Multiple purchase discounts available]

[On Sale 10/10 at 10 PM] [Limited to 20 stones] Koshu Precious Stone Kiriko Plus Three: Includes two carefully cut Oregon Sunstones in the Loose Stone Gacha [Multiple purchase discounts available]
Sold out [On Sale at 10 PM on September 21st] [Only one left] Pink Diamond Loose 💎 Fancy Orangey Pink 0.188ct, or any other Fancy color, single loose pink diamond (all stones sorted or certified) [Multiple purchase discounts available]

[On Sale at 10 PM on September 21st] [Only one left] Pink Diamond Loose 💎 Fancy Orangey Pink 0.188ct, or any other Fancy color, single loose pink diamond (all stones sorted or certified) [Multiple purchase discounts available]
Sold out [On sale September 14th at 10 PM] {Only one left} Blue Sapphire Gacha includes two unheated royal blue sapphires (with AIGS certificate) (plus one Teppanawa Mine sapphire) {Multiple purchase discounts available}

[On sale September 14th at 10 PM] {Only one left} Blue Sapphire Gacha includes two unheated royal blue sapphires (with AIGS certificate) (plus one Teppanawa Mine sapphire) {Multiple purchase discounts available}
Sold out [Available at 10 PM on September 7th] Limited Quantity Gem Gacha 💎 Win 1 or 2 gems, including pink diamonds and 46ct cantera opals. Discounts available for multiple purchases.

[Available at 10 PM on September 7th] Limited Quantity Gem Gacha 💎 Win 1 or 2 gems, including pink diamonds and 46ct cantera opals. Discounts available for multiple purchases.
Sold out [Available at 10 PM on September 6th] Limited to 10 Blue Stones Gacha (Paraiba Tourmaline, Cobalt Garnite, Indigo Tourmaline with Certificate of Authenticity, Zimbabwean Euclase with Certificate of Authenticity) [Multiple Purchase Discounts Available]

[Available at 10 PM on September 6th] Limited to 10 Blue Stones Gacha (Paraiba Tourmaline, Cobalt Garnite, Indigo Tourmaline with Certificate of Authenticity, Zimbabwean Euclase with Certificate of Authenticity) [Multiple Purchase Discounts Available]
Sold out Pink Diamond Gacha! 💎 Fancy Light Pink Diamond 0.117ct (Certified) Includes One UV-Resistant Pink Diamond (Multiple Purchase Discounts Available)

Pink Diamond Gacha! 💎 Fancy Light Pink Diamond 0.117ct (Certified) Includes One UV-Resistant Pink Diamond (Multiple Purchase Discounts Available)

Sold out [Available at 10 PM on August 16th] [Limited to 9 stones] Spinel Gacha (August birthstone) including one bicolor spinel (0.93 ct) [Multiple purchase discounts available]

[Available at 10 PM on August 16th] [Limited to 9 stones] Spinel Gacha (August birthstone) including one bicolor spinel (0.93 ct) [Multiple purchase discounts available]

Sold out [8/10:22 Sale] {Limited to 5 Stones} Pentagon Cut Gacha (Sphene, Sunstone, Emerald, etc.) 1 Loose Stone {Multiple Purchase Discounts Available}

[8/10:22 Sale] {Limited to 5 Stones} Pentagon Cut Gacha (Sphene, Sunstone, Emerald, etc.) 1 Loose Stone {Multiple Purchase Discounts Available}
Sold out Limited to 5 sets! Fluorescent Diamond Gacha! 💎 Set of 2 loose diamonds (2.4-3.4mm) [Multiple purchase discounts available]

Limited to 5 sets! Fluorescent Diamond Gacha! 💎 Set of 2 loose diamonds (2.4-3.4mm) [Multiple purchase discounts available]
Sold out [Limited to 8 stones] Jam Gacha💎 1 Rainbow Garnet stone (January birthstone) from Tenkawa Village, Nara Prefecture [Multiple purchase discounts available]

[Limited to 8 stones] Jam Gacha💎 1 Rainbow Garnet stone (January birthstone) from Tenkawa Village, Nara Prefecture [Multiple purchase discounts available]
Sold out Gem Gacha💎 1 Paraiba Tourmaline from Brazil (Batalha mine, 2.5-3.0mm, includes blue)

Gem Gacha💎 1 Paraiba Tourmaline from Brazil (Batalha mine, 2.5-3.0mm, includes blue)
Sold out Limited to 15 stones Apatite Gacha💎 Zimbabwean apatite, purple apatite, etc. 1 loose stone (with defects) Multiple purchase discounts available

Limited to 15 stones Apatite Gacha💎 Zimbabwean apatite, purple apatite, etc. 1 loose stone (with defects) Multiple purchase discounts available
Sold out [Limited to 7 stones] Gem gacha💎 Australian opal or Mexican cantera opal 1 loose stone (with defects) [Multiple purchase discount available]

[Limited to 7 stones] Gem gacha💎 Australian opal or Mexican cantera opal 1 loose stone (with defects) [Multiple purchase discount available]
Sold out Limited 3 Stones Gem Gacha💎Black Star Sapphire (including 12-ray star) Loose from Bangkacha, Thailand

Limited 3 Stones Gem Gacha💎Black Star Sapphire (including 12-ray star) Loose from Bangkacha, Thailand
Sold out Gem gacha cut by Shimizu Kiseki and Yoichi Fukazawa 💎 {Multiple purchase discounts available} {Halloween specials included}

Gem gacha cut by Shimizu Kiseki and Yoichi Fukazawa 💎 {Multiple purchase discounts available} {Halloween specials included}

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.