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メキシコ産ファイアーアゲート 33.195ctルース

Mexican fire agate 33.195ct loose Sale price¥39,800
ブラックオパール 2.293ctルース

Black opal 2.293ct loose Sale price¥98,000
コーネルピン 1.011ctルース

Cornel pin 1.011ct loose Sale price¥8,800
バイカラーアパタイト 15.507ctルース

Bicolor apatite 15.507ct loose Sale price¥98,000
ミャンマー産スタースピネル 1.160ctルース

Star spinel from Myanmar 1.004ct loose Sale price¥14,800
エメラルド 9.380ct原石

[12541081 published] Emerald 9.380ct rough stone Sale price¥4,980
エメラルド 77.265ct原石

[Posted 12541074] Emerald 77.265ct rough stone Sale price¥6,980
エメラルド 162.375ct原石

[Posted 12541071] Emerald 162.375ct rough stone Sale price¥9,800
【サンジェ氏】合成モアッサナイト 13mm/8.154ctルース

Synthetic Moissanite 13mm/8.154ct Loose Stone Sale price¥39,800
【サンジェ氏】合成ルチル 6.5mm/1.233ctルース

Synthetic rutile 6.5mm/1.233ct loose stone Sale price¥12,800
ブラジル産ベリル 105.928ct原石

Brazilian beryl 105.928ct raw stone Sale price¥18,800
フローライトインクォーツ 100.785ctルース

Fluorite in quartz 100.785ct loose Sale price¥19,800
ルチルレイテッドクォーツ 92.302ctルース

Rutilated Quartz (Rutilated Quartz) 92.302ct Loose Sale price¥12,800
ルチルレイテッドクォーツ 110.150ctルース

Rutilated Quartz (Rutilated Quartz) 110.150ct Loose Sale price¥18,800
ブラジル産パライバトルマリン 96.184ct原石

Brazilian Paraiba tourmaline 96.184ct raw stone Sale price¥8,800
【甲州貴石切子】ブラジル産アメトリン 1.386ctルース

[12539978 published] Ametrine 1.386ct loose Sale price¥45,800
エチオピア産オパール 136.601ct原石

[Posted 12540116] Ethiopian opal 136.601ct rough stone Sale price¥29,800
コーネルピンキャッツアイ 0.422ctルース

Cornel pin cat's eye 0.422ct loose Sale price¥2,980
コーネルピンキャッツアイ 0.657ctルース

Cornel pin cat's eye 0.657ct loose Sale price¥3,980
【KEN氏】ミャンマー産ピンクスピネル 0.325ctルース - カラッツSTORE

Myanmar pink spinel 0.325ct loose stone Sale price¥6,980
【KEN氏】ピンクトルマリン 0.841ctルース

Pink tourmaline 0.841ct loose stone Sale price¥8,800
アフガニスタン産ハックマナイト 0.761ctルース

[On Sale at 10 PM on August 5th] Afghanistan Hackmanite 0.761ct Loose Stone (Bicolor) Sale price¥39,800
[Available at 10 PM on August 2nd] {Limited to 8 sets} Gemstone Gacha 💎 1 of the Three Great Gemstones Gacha + 2 Loose Pink Sapphires {Multiple purchase discounts available}

[Available at 10 PM on August 2nd] {Limited to 8 sets} Gemstone Gacha 💎 1 of the Three Great Gemstones Gacha + 2 Loose Pink Sapphires {Multiple purchase discounts available} Sale price¥6,980
[Available at 10 PM on August 2nd] [Limited to 6 stones] Zimbabwean sphene loose stone [Multiple purchase discounts available]

[Available at 10 PM on August 2nd] [Limited to 6 stones] Zimbabwean sphene loose stone [Multiple purchase discounts available] Sale price¥5,980
[Available at 10 PM on August 2nd] [Limited to 5 stones] Brazilian Rhodonite in Quartz (Faceted Cut) - 1 stone [Multiple purchase discounts available]

[Available at 10 PM on August 2nd] [Limited to 5 stones] Brazilian Rhodonite in Quartz (Faceted Cut) - 1 stone [Multiple purchase discounts available] Sale price¥4,980
[Available at 10 PM on August 2nd] Limited to 8 stones: Nobu Buff Top x Rose Cut Spinel (1 loose stone) [Multiple purchase discounts available]

[Available at 10 PM on August 2nd] Limited to 8 stones: Nobu Buff Top x Rose Cut Spinel (1 loose stone) [Multiple purchase discounts available] Sale price¥6,980
【甲州貴石切子】《月型切子》】ブルートパーズ 33.591ct《コラボ》ルース ワッペン付

[Koshu Precious Stone Kiriko]《Moon-shaped Kiriko》]Blue Topaz 33.591ct《Collaboration》Loose with emblem Sale price¥59,800
【甲州貴石切子】《月型切子》スイスブルートパーズ 27.829ct《コラボ》ルース ワッペン付

[Koshu Precious Stone Kiriko]《Moon-shaped Kiriko》Swiss Blue Topaz 27.829ct《Collaboration》Loose with emblem Sale price¥59,800
【KEN氏】ミャンマー産パープルスピネル 0.312ctルース - カラッツSTORE

Myanmar Purple Spinel 0.312ct Loose Stone Sale price¥3,980
【甲州貴石切子plusthree】ローズクォーツ 6.330ctルース ワッペン付

[Koshu precious stone Kiriko plusthree] Rose quartz 6.330ct loose with patch Sale price¥25,800
【甲州貴石切子plusthree】《星桜カット》アメトリン 2.660ct《コラボ》ルース ワッペン付

[Koshu precious stone Kiriko plusthree]《Star cherry cut》Ametrine 2.660ct《Collaboration》Loose with patch Sale price¥29,800
ミャンマー産スタースピネル 1.160ctルース

Myanmar star spinel 1.160ct loose Sale price¥12,800
スタースピネル 1.295ctルース

Star spinel 1.295ct loose Sale price¥11,800
コロンビア産トラピッチェエメラルド（逆トラピッチェ） 0.107ct原石

Colombian trapiche emerald (reverse trapiche) 0.107ct rough stone Sale price¥9,800
コロンビア産エメラルドキャッツアイ 0.834ctルース

Colombian emerald cat's eye 0.834ct loose Sale price¥39,800
ラベンダースピネル 1.285ctルース

Lavender spinel 1.285ct loose Sale price¥39,800
クンツァイト 13.700ctルース

Kunzite 13.700ct loose Sale price¥15,800
パキスタン産ヴェイリネナイト 0.190ctルース

Pakistani Veirinite 0.190ct Loose Stone with Certificate of Authenticity Sale price¥45,800
中国・貴州省産バライト 1.971ctルース

[Available at 10 PM on August 2nd] 1.971ct loose barite from Guizhou, China with a certificate of authenticity Sale price¥45,800
メキシコ産ハイアライトオパール 1.587ctルース

Mexican Hyalite Opal 1.587ct Loose Sale price¥9,800
メキシコ産カンテラオパール 4.456ctルース

Mexican Cantera Opal 4.456ct Loose Sale price¥39,800
オパール 426.985ct原石

Opal 426.985ct rough stone Sale price¥29,800
【ダンデライオンカット】スリランカ産シリマナイト 11mm/5.573ct《コラボ》ルース 日独鑑

[Dandelion Cut] Sillimanite from Sri Lanka 11mm/5.573ct《Collaboration》Ruth Japanese-German Edition Sale price¥98,000
【ダンデライオンカット】YAG（イットリウムアルミニウムガーネット）8mm/2.752ctルース

[Dandelion cut] YAG (yttrium aluminum garnet) 8mm/2.752ct loose Sale price¥45,800
【甲州貴石切子plusthree】合成モアッサナイト 8mm/1.502ct《コラボ》ルース ワッペン付

[Koshu precious stone Kiriko plusthree] Synthetic moissanite 8mm/1.502ct《Collaboration》 Loose with patch Sale price¥39,800
マダガスカル産イエローサファイア 0.327ctルース

[On Sale at 10 PM on August 14th] 0.327ct Loose Yellow Sapphire from Madagascar Sale price¥12,800
マダガスカル産ピンクサファイア 0.324ctルース

[On Sale at 10 PM on August 9th] Madagascar Pink Sapphire 0.324ct Loose Sale price¥12,800
マダガスカル産サファイア 0.298ctルース

[On Sale at 10 PM on August 13th] Madagascar Sapphire 0.298ct Loose Sale price¥12,800

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.