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【Sales start: August 11, 10 PM JST】《Limited 14 stones》Rare Stone Gacha featuring Leucogarnet, Cinnabar, Gahnite, and more!《Bulk Purchase Discount Available》

【Sales start: August 11, 10 PM JST】《Limited 14 stones》Rare Stone Gacha featuring Leucogarnet, Cinnabar, Gahnite, and more!《Bulk Purchase Discount Available》 Sale price¥7,980
【9/22 22時販売】《残り僅か》通常59,800円のパーティーカラードパライバトルマリン（CuO:1.4%、MnO:2.8%））や通常29800円のバイカラーサファイア含むバイカラーガチャ（ミントガーネット1石付き）《複数購入割引有》

【9/22 22時販売】《残り僅か》通常59,800円のパーティーカラードパライバトルマリン（CuO:1.4%、MnO:2.8%））や通常29800円のバイカラーサファイア含むバイカラーガチャ（ミントガーネット1石付き）《複数購入割引有》 Sale price¥6,980
Limited to 13 stones! Tourmaline gacha featuring indigolite tourmaline worth ¥50,000 and rubellite worth ¥60,000. Plus, one canary yellow tourmaline. Discounts available for multiple purchases.

Limited to 13 stones! Tourmaline gacha featuring indigolite tourmaline worth ¥50,000 and rubellite worth ¥60,000. Plus, one canary yellow tourmaline. Discounts available for multiple purchases. Sale price¥6,980
[On sale May 23rd at 10 PM] "Limited 9 Stones - Shinjuku Pop-Up Celebration" All stones with Central Gem Laboratory sorting (3.0-3.5mm, VS-SI clarity) "Multiple purchase discount available"

[On sale May 23rd at 10 PM] "Limited 9 Stones - Shinjuku Pop-Up Celebration" All stones with Central Gem Laboratory sorting (3.0-3.5mm, VS-SI clarity) "Multiple purchase discount available" Sale price¥5,980
[Available 8/30 at 10 PM] Colombian Emerald Rough (Avg. 0.25ct) &lt;&lt;2 stones remaining&gt;&gt; &lt;<multi-buy discounts available>&gt;</multi-buy>

[Available 8/30 at 10 PM] Colombian Emerald Rough (Avg. 0.25ct) <<2 stones remaining>> <> Sale price¥7,980
[8/29 10 PM Sale] &lt;&lt;11 Stones Only&gt;&gt; Raw Emerald from Muzo, Colombia (Avg. 0.20ct) &lt;<multi-purchase discount available>&gt;</multi-purchase>

[8/29 10 PM Sale] <<11 Stones Only>> Raw Emerald from Muzo, Colombia (Avg. 0.20ct) <> Sale price¥5,980
[Available 9/20 at 10 PM] Limited to 7 pieces: Brazilian Batalha Paraiba Tourmaline & Elbaite rough stone gacha, featuring bicolor Paraiba (CuO: 2.7%, MnO: 2.0%) usually priced at 25,800 yen (multi-purchase discounts available).

[Available 9/20 at 10 PM] Limited to 7 pieces: Brazilian Batalha Paraiba Tourmaline & Elbaite rough stone gacha, featuring bicolor Paraiba (CuO: 2.7%, MnO: 2.0%) usually priced at 25,800 yen (multi-purchase discounts available). Sale price¥6,980
[Available 9/19 at 10 PM] &lt;9 sets only&gt; Rainbow Garnet rough &amp; loose stone set from Tenkawa, Nara (includes one hexagonal pyrite) <multi-buy discount available></multi-buy>

[Available 9/19 at 10 PM] <9 sets only> Rainbow Garnet rough & loose stone set from Tenkawa, Nara (includes one hexagonal pyrite) Sale price¥6,980
Limited to 10 stones: London Blue Diamond Gacha Loose Stone (including 3.6mm, VS-SI grade equivalent, treated) [Multiple purchase discounts available]

Limited to 10 stones: London Blue Diamond Gacha Loose Stone (including 3.6mm, VS-SI grade equivalent, treated) [Multiple purchase discounts available] Sale price¥5,980
[Available 9/4 at 10 PM] 《16 Stones Limited》 Colombian Emerald Raw Stones (Average 0.35ct) 《Multiple Purchase Discount Available》

[Available 9/4 at 10 PM] 《16 Stones Limited》 Colombian Emerald Raw Stones (Average 0.35ct) 《Multiple Purchase Discount Available》 Sale price¥5,980
【9/22 22時販売】《限定10石》通常59,800円の甲州貴石切子plusthree「昴」ファイアオパールや29,800円のKEN氏コントラルスオパールのメキシコ産オパールガチャ1石（北海道産ロードクロサイト1石付き）《複数購入割引有》

【9/22 22時販売】《限定10石》通常59,800円の甲州貴石切子plusthree「昴」ファイアオパールや29,800円のKEN氏コントラルスオパールのメキシコ産オパールガチャ1石（北海道産ロードクロサイト1石付き）《複数購入割引有》 Sale price¥6,980
【9/12 10 PM Release】《Limited to 16 Stones》 Blue Topaz: New "Milky Way Star Cut" by Mr. Sangé 《Multi-purchase discounts available》

【9/12 10 PM Release】《Limited to 16 Stones》 Blue Topaz: New "Milky Way Star Cut" by Mr. Sangé 《Multi-purchase discounts available》 Sale price¥5,980
[On sale 9/4 at 10:00 PM] 《Limited to 7 stones》 Colombian mint-colored emerald rough (average 0.51ct) 《Multi-buy discount available》

[On sale 9/4 at 10:00 PM] 《Limited to 7 stones》 Colombian mint-colored emerald rough (average 0.51ct) 《Multi-buy discount available》 Sale price¥6,980
[On sale 9/ 22:00] 《Limited to 12 stones》 Big Gem Gacha - Win items including Shimizu Kikiseki’s Camellia cut and Sakura shape 《Multi-purchase discounts available》

[On sale 9/ 22:00] 《Limited to 12 stones》 Big Gem Gacha - Win items including Shimizu Kikiseki’s Camellia cut and Sakura shape 《Multi-purchase discounts available》 Sale price¥5,980
オーストラリア産レインボーラティスサンストーン 0.748ctルース

[On sale 9/26 at 10 PM] Australian Rainbow Lattice Sunstone 0.748ct Loose Stone Sale price¥6,980
マラウイ産ムーンストーン（マラウイムーンストーン） 2.229ctルース

[Available 9/26 at 10 PM] Malawi Moonstone Loose Gemstone, 2.229ct Sale price¥9,800
ピクチャーアゲート 8.321ctルース

[Available 9/26 at 10 PM] Picture Agate 8.321ct Loose Stone Sale price¥9,800
ピクチャーアゲート 9.088ctルース

[Available 9/26 at 22:00] Picture Agate 9.088ct Loose Gemstone Sale price¥9,800
【Available 9/23 at 10 PM】《Limited to 6 stones》Rough Colombian Emerald (avg. 0.75ct) 《Multi-buy discount available》

【Available 9/23 at 10 PM】《Limited to 6 stones》Rough Colombian Emerald (avg. 0.75ct) 《Multi-buy discount available》 Sale price¥9,800
Amber / Copal 41.008 ct Loose (with insect inclusion)

Amber / Copal 41.008 ct Loose (with insect inclusion) Sale price¥7,980
ブラジル産ゴーシェナイト 0.376ctルース

[9/18 10 PM Sale] Brazilian Goshenite 4.3mm/0.376ct Loose Gemstone Sale price¥6,980
スリランカ・ラトゥナプラ産クリソベリル 0.335ct原石

[Available 9/18, 10:00 PM] Chrysoberyl rough from Ratnapura, Sri Lanka, 0.335ct Sale price¥6,980
アフガニスタン産アフガニスタン産ラズライトインソーダライト 0.425ctルース

[Available 9/18 10:00 PM] Lazulite in Sodalite from Afghanistan 0.425ct Loose Gemstone Sale price¥9,800
アメリカ産オレゴンサンストーン 1.002ctルース

[Available 9/19 at 10 PM] Oregon Sunstone 1.002ct Loose Gemstone Sale price¥6,980
ラベンダークォーツ（スコロライト） 1.154ctルース

[Available 9/19 at 10 PM] Brazilian Lavender Quartz (Skorolite) 1.154ct Loose Gemstone Sale price¥8,800
ファイアーアゲート 5.272ctルース

[Available 9/19 at 10 PM] Mexican Fire Agate 5.272ct Loose Stone Sale price¥9,800
スリランカ産グリーンジルコン 0.474ctルース

[Available 9/26, 10:00 PM] Sri Lankan Green Zircon 4.5mm/0.474ct Loose Gemstone Sale price¥9,800
マダガスカル産アンデシン・ラブラドライト（通称名 レインボームーンストーン） 0.521ctルース

[9/20 10:00 PM Release] Madagascar Andesine Labradorite (Common name: Rainbow Moonstone) 0.521ct Loose Stone Sale price¥8,800
インド産ブラックムーンストーン 0.882ctルース

[On sale 9/20 at 10 PM] Indian Black Moonstone 0.882ct Loose Stone Sale price¥8,800
[Available 9/25 at 10 PM] Madagascar Andesine-Labradorite (Common name: Rainbow Moonstone) 0.328ct Loose Stone

[Available 9/25 at 10 PM] Madagascar Andesine-Labradorite (Common name: Rainbow Moonstone) 0.328ct Loose Stone Sale price¥9,800
ザンビア産エメラルド 0.199ctルース

【Available 9/21, 10 PM】 Zambian Emerald 0.199ct Loose Gemstone Sale price¥9,800
ナイジェリア産グリーンベリル 0.311ctルース

[Available 9/21, 10:00 PM] Nigerian Green Beryl 0.311ct Loose Gemstone Sale price¥7,980
インド産オレンジムーンストーン 1.018ctルース

[Available 9/21 at 10 PM] Indian Orange Moonstone 1.018ct Loose Gemstone Sale price¥8,800
スリランカ産グリーンジルコン 0.403ctルース

[On sale 9/21 at 22:00] Sri Lankan Green Zircon 0.403ct Loose Stone Sale price¥5,980
マダガスカル産アイオライト 0.870ctルース

[Available 9/21 at 10 PM] Madagascar Iolite 0.870ct Loose Gemstone Sale price¥9,800
日本式双晶水晶 4.715ct原石

Japanese style twin crystal 4.715ct raw stone Sale price¥9,800
日本式双晶水晶 3.472ct原石

Japanese style twin crystal 3.472ct raw stone Sale price¥7,980
Madagascar sphene 0.665ct loose stone

Madagascar sphene 0.665ct loose stone Sale price¥9,800
【12547803掲載】パキスタン産オイルインクォーツ 0.283ctルース

Pakistani Oil in Quartz 0.283ct Loose Stone Sale price¥6,980
【12547804掲載】パキスタン産オイルインクォーツ 0.328ctルース

Pakistani Oil in Quartz 0.328ct Loose Stone Sale price¥7,980
アフガニスタン産クンツァイト 0.799ctルース

Afghan Kunzite 0.799ct Loose Gemstone Sale price¥6,980
【12549435掲載】ハーキマーダイヤモンド 0.516ctルース

American Herkimer Diamond 5.6mm/0.516ct Loose Sale price¥8,800
タンザニア産パープルゾイサイト 3.324ct原石

3.324ct Tanzanian Purple Zoisite Rough Stone Sale price¥5,980
#VALUE!

Tanzania Bicolor Zoisite 1.608ct Rough Stone Sale price¥8,800
ブラジル産ロードナイトインクォーツ 1.125ctルース

[Available 9/13, 10:00 PM] Brazilian Rhodonite in Quartz 1.125ct Loose Stone Sale price¥9,800
オーストラリア産ホワイトオパール 0.584ctルース

[Available Sept 13, 10 PM] Australian White Opal 0.584ct Loose Stone (Rose Cut) Sale price¥8,800
ブラジル産ゴーシェナイト 0.358ctルース

[9/15 10 PM Release] Brazilian Goshenite 0.358ct Loose Gemstone Sale price¥8,800
タンザニア産サンストーン（イリュージョンサンストーン） 6.3mm/0.762ctルース

【9/11 10 PM Release】 Tanzanian Sunstone (Illusion Sunstone) 6.3mm/0.762ct Loose Gemstone Sale price¥9,800

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.