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ザンビア産エメラルド 0.119ctルース

[On sale at 10pm on September 4th] Zambian emerald 0.119ct loose stone Sale price¥12,800
ブラジル産グリーントルマリン 0.755ctルース

[On sale at 10pm on September 4th] Brazilian Green Tourmaline 0.755ct Loose Stone Sale price¥18,800
ブラジル産ピンクトルマリン 0.234ctルース

[On sale at 10pm on September 4th] Brazilian Pink Tourmaline 0.234ct Loose Stone Sale price¥8,800
[Available at 10 PM on September 6th] Limited to 4 stones: One loose pink sapphire (pear shape) from Madagascar [Multiple purchase discounts available]

[Available at 10 PM on September 6th] Limited to 4 stones: One loose pink sapphire (pear shape) from Madagascar [Multiple purchase discounts available] Sale price¥5,980
[On sale at 10 PM on September 6th] Limited to 8 stones: Kite cut loose stone (Illusion Sunstone, Sapphire, Emerald, Spessartine Garnet, etc.) [Multiple purchase discounts available]

[On sale at 10 PM on September 6th] Limited to 8 stones: Kite cut loose stone (Illusion Sunstone, Sapphire, Emerald, Spessartine Garnet, etc.) [Multiple purchase discounts available] Sale price¥5,980
タンザニア産マグネシオアキシナイト 0.380ctルース

[Sold at 10 PM on September 6th] Tanzanian Magnesioaxinite 0.380ct Loose Stone, Japan-Germany Qualification Sale price¥39,800
ブルーサファイア 0.162ctルース

[On Sale at 10 PM on September 6th] 0.162ct Loose Blue Sapphire from Madagascar Sale price¥9,800
ブルーサファイア 0.266ctルース

[On Sale at 10 PM on September 6th] 0.266ct Loose Blue Sapphire from Madagascar Sale price¥8,800
ブルーサファイア 0.170ctルース

[On Sale at 10 PM on September 6th] 0.170ct Loose Blue Sapphire from Madagascar Sale price¥8,800
ブラジル産バイカラーインペリアルトパーズ 0.981ctルース

[On sale at 10 PM on September 6th] Brazilian Bicolor Imperial Topaz 0.981ct Loose Sale price¥79,800
ブラジル産モルガナイト 1.266ctルース

[On Sale at 10 PM on September 6th] Brazilian Morganite 1.266ct Loose Stone Sale price¥29,800
フローレスダイヤモンド（H&C） 0.266ctルース(D, FL, 3Excellent H&C)

[On Sale at 10 PM on September 6th] Flawless Diamond (H&C) 4.0mm/0.266ct Loose (D, FL, 3 Excellent H&C) GIA & Chuhokan Sale price¥188,000
ブラジル産エレスチャルアメジスト 1.461ctルース

[On Sale at 10 PM on September 6th] Brazilian Elestial Amethyst 7.6mm/1.461ct Loose Stone Sale price¥9,800
マダガスカル産アパタイト 0.610ctルース

[On Sale at 10 PM on September 6th] 0.610ct Loose Blue Apatite from Madagascar Sale price¥9,800
ロシア産ロシア産デマントイドガーネット（ホーステール認む） 0.100ctルース

[On Sale at 10 PM on September 6th] Russian Demantoid Garnet (Horsetail Recognized) 0.100ct Loose Sale price¥14,800
ナミビア産ジェレメジェバイト 0.245ctルース

[On sale at 10pm on September 6th] Namibian Jeremejevite 0.245ct Loose Stone Sale price¥79,800
ロシア産エメラルド 0.269ctルース

[On sale at 10pm on September 6th] Russian emerald 0.269ct loose stone Sale price¥79,800
ロシア産エメラルド 0.249ctルース

[On sale at 10pm on September 6th] Russian emerald 0.249ct loose stone Sale price¥158,000
アレキサンドライト 0.326ctルース

[On sale at 10pm on September 6th] Brazilian Alexandrite 0.326ct Loose Stone Sale price¥79,800
ブラジル産エメラルド 0.945ctルース

[On Sale at 10 PM on September 6th] Brazilian Mint-Colored Emerald 0.945ct Loose Sale price¥25,800
ブラジル産インペリアルトパーズ 2.991ctルース

[12559903] 2.991ct Brazilian Imperial Topaz Loose Stone Sale price¥158,000
ブルーサファイア 1.483ctルース 鑑別書

1.483ct blue sapphire loose stone Sale price¥98,000
非加熱ルビー 0.130ctルース GIT

Unheated ruby ​​0.130ct loose Sale price¥25,800
グリーンゾイサイト 1.316ctルース

[12560246] Green Zoisite 1.316ct Loose Stone Sale price¥15,800
バイカラーゾイサイト 0.508ctルース

[12560244] Bicolor Zoisite 0.508ct Loose Stone Sale price¥7,980
[Sold at 10 PM on September 7th] Pt900 Brazilian Swiss Blue Topaz 0.41ct Cat Cut Earrings

[Sold at 10 PM on September 7th] Pt900 Brazilian Swiss Blue Topaz 0.41ct Cat Cut Earrings Sale price¥19,800
[Sold at 10 PM on September 7th] [Koshu Precious Stone Cut Glass] 18K Rose Quartz 15.964ct Necklace by Nikko Kan

[Sold at 10 PM on September 7th] [Koshu Precious Stone Cut Glass] 18K Rose Quartz 15.964ct Necklace by Nikko Kan Sale price¥128,000
リューコガーネット 0.812ctルース

[On Sale at 10 PM on September 7th] Myanmar Leuco Garnet 0.812ct Loose Stone with Certificate of Authenticity Sale price¥59,800
ザンビア産エメラルド 0.138ctルース

[12560252] Zambian emerald 0.138ct loose stone Sale price¥8,800
アメリカ産ペリドット 0.361ctルース

[On sale at 10pm on September 7th] Pakistani Peridot 0.361ct Loose Stone Sale price¥4,980
アメリカ産ペリドット 0.410ctルース

[On sale at 10pm on September 7th] Pakistani Peridot 0.410ct Loose Stone Sale price¥6,980
ブラジル産エレスチャルアメジスト 0.482ctルース

[On Sale at 10 PM on September 7th] Brazilian Elestial Amethyst 0.482ct Loose Stone Sale price¥4,980
タンザニア産アンデシン・ラブラドライト（通称名 ブルームーンストーン） 0.726ctルース

[Available at 10 PM on September 9th] [Dandelion Cut] Tanzanian Andesine Labradorite (also known as Blue Moonstone) 6.0mm/0.726ct Loose Stone Sale price¥49,800
K18YG コーネルピン 0.217ct リング

[On sale at 10 PM on September 9th] 18K Yellow Gold Tanzanian Kornerupine 0.217ct Aquamarine Ring Sale price¥89,800
メキシコ産ファイアオパール（ファセットカット） 0.417ctルース

[On Sale at 10 PM on September 9th] Mexican Fire Opal (Faceted) 0.417ct Loose Sale price¥8,800
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） 0.420ctルース

[On Sale at 10 PM on September 9th] Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 0.420ct Loose Stone Sale price¥8,800
メキシコ産ファイアオパール（ファセットカット） 0.447ctルース

[On Sale at 10 PM on September 9th] Mexican Fire Opal (Faceted) 5.5mm/0.447ct Loose Sale price¥12,800
メキシコ産ファイアオパール（ファセットカット） 0.198ctルース

[On Sale at 10 PM on September 9th] Mexican Fire Opal (Faceted) 0.198ct Loose Sale price¥8,800
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） 0.401ctルース

[On Sale at 10 PM on September 9th] Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 0.401ct Loose Stone Sale price¥9,800
【KEN氏】アフガニスタン産クリノゾイサイト 1.810ctルース（ファントムカット） - カラッツSTORE

Afghanistan Clinozoisite 1.810ct Loose Stone (Phantom Cut) Sale price¥8,800
[Koshu precious stone Kiriko plusthree] Light citrine 2.490ct loose with patch

[Koshu precious stone Kiriko plusthree] Light citrine 2.490ct loose with patch Sale price¥25,800
ピンクジルコン 0.930ctルース

Pink zircon 0.930ct loose Sale price¥8,800
シーライト（シェーライト） 1.940ctルース

Sealight (Shealight) 1.940ct loose Sale price¥15,800
ルチルレイテッドクォーツ 82.385ctルース 日独鑑

Rutilated Quartz (Rutilated Quartz) 82.385ct Loose Stone, Japan-Germany Sale price¥29,800
コンクパール 0.390ctルース（ピンクホワイトカラー）

Conch pearl 0.390ct loose (pink white color) Sale price¥18,800
レッドベリル 0.181ctルース

Red beryl 0.181ct loose Sale price¥29,800
【猫カット】アマゾン産グリーンオパール 6.5mm/0.580ctルース

[Cat cut] Amazon green opal 6.5mm/0.580ct loose Sale price¥6,980
【NOBU氏】アマゾン産グリーンオパール 《コラボ》6.8mmルース - カラッツSTORE

[Mr. NOBU] Green Opal from Amazon [Collaboration] 6.8mm loose 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.