¥10,000 - ¥30,000

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Color change Andesine 0.740ct loose

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Synthetic rutile 5mm/0.960ct loose

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【KEN氏】オーソクレース 11mm/3.910ctルース（ボルテックスカット）日独鑑 - カラッツSTORE

[KEN] Orthoclase 11mm/3.910ct loose (vortex cut) Japanese-German book

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パイロープ・スペサルティンガーネット（カラーチェンジガーネット） 0.915ctルース日彩珠彩

Pyrope spessartine garnet (color change garnet) 0.915ct loose Nissaijusai

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Conch pearl (with flame pattern) 1.050ct loose

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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） 1.589ctルース（ローズカット）

Andesine labradorite (common name: Blue Moonstone) 1.589ct loose (rose cut)

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ブラジル産パライバトルマリン 0.078ctルース（CuO:2.2%、MnO:2.5%）

Paraiba tourmaline from Brazil 0.078ct loose (CuO:2.2%, MnO:2.5%)

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ブラジル産パライバトルマリン 0.096ctルース（CuO:1.3%、MnO:2.9%）

Paraiba tourmaline from Brazil 0.096ct loose (CuO:1.3%, MnO:2.9%)

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Lapis lazuli 19.681ct loose (spherical, perfect circle, 14mm)

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Bicolor Andesine 1.628ct Loose Stone (Color Change Andesine)

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スピネル 1.868ctルース（ダークワインレッド系） - KARATZ STORE｜カラッツSTORE

Spinel 1.868ct loose (dark wine red)

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オレンジカルサイト 2.192ctルース - KARATZ STORE｜カラッツSTORE

Pezzotto cat's eye 0.240ct loose

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Jeremejevite 0.092ct Ruth Japanese German edition

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[Koshu Precious Stone Kiriko PlusThree] Pink Amethyst 2.68ct Loose Color with Patch

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Paraiba tourmaline from Brazil 0.114ct loose (CuO:1.8%, MnO:2.4%)

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Paraiba tourmaline from Brazil 0.091ct loose (CuO:2.2%, MnO:3.5%)

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ダイヤモンド 2.3mm/0.057ctルース（VSクラス相当,ハートシェイプ）

Diamond 2.3mm/0.057ct loose (VS class equivalent, heart shape)

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ダイヤモンド 2.5mm/0.058ctルース（VSクラス相当,ハートシェイプ）

Diamond 2.5mm/0.058ct loose (VS class equivalent, heart shape)

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Santa Maria Aquamarine 0.753ct loose

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【さくらインカット】ロンドンブルートパーズ 8mmルースワッペン付 - カラッツSTORE

[Sakura Incut] London Blue Topaz 8mm Loose with Patch

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[KEN] Oregon Sunstone 0.470ct Loose

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[Koshu Precious Stone Kiriko] Actinolite in Quartz 2.834ct loose with emblem

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Ruby from Greenland 0.726ct loose with certificate

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Sea blue chalcedony 2.530ct loose (konpeito)

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[Konpeito] Sea blue chalcedony 2.881ct loose

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【KEN氏】メキシコ産ファイアオパール0.620ctルース - カラッツSTORE

[Mr. KEN] Mexican fire opal 0.620ct loose

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Mexican fire agate 4.22ct loose

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Black Star Sapphire 2.618ct loose (8 lines)

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Paraiba tourmaline 1.612ct raw stone from Brazil

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Mexican fire agate 5.14ct loose

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Brazilian Paraiba tourmaline in quartz 1.170ct loose

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Brazilian Paraiba tourmaline in quartz 1.330ct loose

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Brazilian Paraiba tourmaline in quartz 1.740ct loose

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[Mr. KEN] Petalite from Brazil 1.11ct loose

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[Mr. KEN] Danburite from Mexico 3.917ct loose (light pink)

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《Yurakucho Marui 2024112 takeout》Greenland Tugtupite 0.141ct loose stone

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Pink zoisite (pink tanzanite) from Tanzania 0.209ct loose Japanese-German edition

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Pezzottite from Madagascar 0.349ct loose

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Pezzottaite cat's eye from Madagascar 0.493ct loose

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.

The fifth reprint has been decided and is now on sale at bookstores nationwide and online.

Written by KARATZ, book “Jewelry Illustrated Book”

The book provides explanations about over 300 types of gemstones, from new standard birthstones to rare stones that are hard to find, as well as a diary of our company representative, Mr. Koyama's, gemstone shopping experience in Thailand and Sri Lanka, and tips for photographing gemstones, allowing you to learn about the appeal of gemstones from various perspectives.

KARATZ・Five Commitments