¥50,000 - ¥100,000

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【カラフリ】Pt900ブルーダイヤモンド0.20ct ペンダントトップ - カラッツSTORE

[Colorful] Pt900 blue diamond 0.20ct pendant top

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[Sakura Incut] Ametrine 15mm/9.820ct loose "Collaboration" with emblem

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Bicolor scapolite 3.05ct loose Japanese-German appraisal

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Bicolor Benitoite 3.2mm/0.22ct loose

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[Sakura Incut] Tanzanite 1.07ct loose with patch

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Pt900ブラジル産パライバトルマリン0.08ct リング - カラッツSTORE

Pt900 Brazilian Paraiba tourmaline 0.08ct ring

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Pt950アイオライトサンストーン0.377ct リング - カラッツSTORE

Pt950 Iolite Sunstone 0.377ct Ring

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Pt950 bicolor sapphire 0.374ct ring

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【12524882掲載】非加熱コーンフラワーブルーサファイア 0.59ctルース

Unheated cornflower blue sapphire 0.59ct loose with AIGS

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Bulgarian green sphalerite 1.896ct loose Japanese-German appraisal

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Bulgarian green sphalerite 1.830ct loose Japanese-German edition

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【ダンデライオンカット】グリーン・オレゴンサンストーン8mm ルース（5枚花びら） - カラッツSTORE

[Dandelion Cut] Green Oregon Sunstone 8mm Loose (5 petals)

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[Koshu Precious Stone Kiriko] Rhodolite Garnet 3.77ct Loose

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Bicolor tourmaline 1.395ct loose

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Paraiba tourmaline from Mozambique 0.280ct loose

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【さくらインカット】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） 7mm／1.00ctルース - カラッツSTORE

[Sakura Incut] Andesine Labradorite (commonly known as Rainbow Moonstone) 7mm/1.00ct loose

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【甲州貴石切子】オレゴンサンストーン 1.99ctルース - カラッツSTORE

[Koshu Precious Stone Kiriko] Oregon Sunstone 1.99ct Loose

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[Koshu Precious Stone Kiriko] Rubellite 2.38ct loose with patch

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[Koshu Precious Stone Kiriko] Opal 2.080ct loose

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Pigeon blood ruby 1.09ct loose AIGS

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Particolor tourmaline 19.191ct loose (bicolor tourmaline)

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Pt950グレースピネル0.31ct リング（プラチナスピネル） - カラッツSTORE

Pt950 Gray Spinel 0.31ct Ring (Platinum Spinel)

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Pt950ピンクサファイア0.23ct・パライバトルマリンリング - カラッツSTORE

Pt950 Pink Sapphire 0.23ct Paraiba Tourmaline Ring

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Oil-free emerald 0.20ct loose GIA

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K18バイカラーゾイサイト0.77ct リング（バイカラータンザナイト） - カラッツSTORE

K18 bicolor zoisite 0.77ct ring (bicolor tanzanite)

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K18タンザナイト0.62ct・ピンクサファイアペンダント（ネックレス） - カラッツSTORE

K18 tanzanite 0.62ct pink sapphire pendant (necklace)

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Blue green tourmaline 7.79ct loose

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【31500773掲載】ピンクダイヤモンド 0.104ctルース(FANCY LIGHT PURPLISH PINK, I1)

Pink diamond 0.104ct loose (FANCY LIGHT PURPLISH PINK, I1)

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Pt900ローズカットダイヤモンド0.30ct ハーフエタニティリング - KARATZ STORE｜カラッツSTORE

Pt900 rose cut diamond 0.30ct half eternity ring

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Pt950ブラジル産パライバトルマリン0.10ct リング - カラッツSTORE

Pt950 Brazilian Paraiba tourmaline 0.10ct ring

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K18レモンクォーツ16.465ct・ダイヤモンドペンダント（甲州貴石切子） - KARATZ STORE｜カラッツSTORE

[Koshu Precious Stone Kiriko] K18 Lemon Quartz 16.465ct Pendant Japanese-German Appraisal

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K18タンザナイト1.05ct リング - KARATZ STORE｜カラッツSTORE

K18 tanzanite pendant (necklace)

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Pt950アイオライトサンストーン0.447ct リング - KARATZ STORE｜カラッツSTORE

Pt950 Iolite Sunstone 0.447ct Ring

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マスグラバイト 0.519ctルース日独鑑付 - KARATZ STORE｜カラッツSTORE

Musgravite 0.519ct loose Japanese-German appraisal

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K18PGモルガナイト1.54ct リング - KARATZ STORE｜カラッツSTORE

K18PG morganite 1.54ct diamond ring

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スイスブルートパーズ 81.900ctルース - KARATZ STORE｜カラッツSTORE

Swiss blue topaz 81.900ct loose

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Pt900/K18PGピンクダイヤモンド0.048ct リング - KARATZ STORE｜カラッツSTORE

Pt900/K18PG pink diamond 0.048ct ring

[12552038] Beryl Cat's Eye 32.703ct Loose Stone Sale price¥98,000

[12551148] Australian black opal 3.890ct loose stone Sale price¥69,800

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[Sale on June 7 at 10 PM] Sri Lankan Cobalt Spinel 4.7mm/0.461ct Loose Stone (Japan-Germany certified)

[On sale June 7th at 10 PM] Colombian Trapiche Emerald, 1.874ct Loose Stone, with Identification Report Sale price¥69,800

coming soon

[Lottery Sale 0531_04] Unheated Kashmir Sapphire 2.6mm/0.100ct Loose Stone GIA Sale price¥79,800

coming soon

[Lottery Sale 0531_03] Unheated Kashmir Sapphire 2.7mm/0.090ct Loose GIA Sale price¥59,800

coming soon

[Lottery Sale 0530_02] Internally Flawless Diamond 3.8mm/0.217ct Loose Stone (D, IF, 3Excellent H&C) GIA Sale price¥98,000

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.