Ruth

Brazilian bicolor tourmaline 0.362ct loose stone Sale price¥8,800

Brazilian Bicolor Tourmaline 0.761ct Loose Stone (Rose Cut) Sale price¥6,980

Brazilian bicolor tourmaline 0.837ct loose stone Sale price¥15,800

Brazilian bicolor tourmaline 0.545ct loose stone (rose cut) Sale price¥5,980

Brazilian bicolor tourmaline 0.549ct loose stone (rose cut) Sale price¥8,800

非加熱ブラジル産パライバトルマリン 0.075ctルース（CuO:1.7%、MnO:1.9%）

Unheated Brazilian Paraiba Tourmaline 0.075ct loose stone (CuO: 1.7%, MnO: 1.9%) Sale price¥59,800

Quartz 15.493ct loose patch Sale price¥9,800

Tanzania Bicolor Zoisite 2.264ct Rough Stone and Loose Stone Set of 2 Sale price¥8,800

Limited to 4 stones: 1 loose spinel stone from Sri Lanka. Discounts available for multiple purchases. Sale price¥2,980

[Sakura Incut] Brazilian Blue Topaz 16mm/15.329ct Loose Patch Sale price¥39,800

【さくらインカット】インド産グリーンムーンストーン 12mm/5.149ct《コラボ》ルース

[Sakura Incut] Indian Green Moonstone 12mm/5.149ct {Collaboration} Loose Patch Sale price¥25,800

【さくらインカット】レピドクロサイトインクォーツ 7mm/1.007ct《コラボ》ルースワッペン

[Sakura Incut] Lepidolite in Quartz 7mm/1.007ct {Collaboration} Loose Patch Sale price¥29,800

Limited to 5 stones: 1 loose Madagascar sapphire (3.5mm, hexagonal cut) Multiple purchase discounts available Sale price¥4,980

Limited to 5 stones: 1 loose Madagascar sapphire (3mm, hexagonal cut) Multiple purchase discounts available Sale price¥3,980

Chinese color change fluorite 1 stone loose (7mm, round cut) {Multiple purchase discount available} Sale price¥2,580

Chinese color change fluorite 1 stone loose (6mm, round cut) {Multiple purchase discount available} Sale price¥1,980

Limited to 4 stones: 1 loose silky sapphire from Sri Lanka. Discounts available for multiple purchases. Sale price¥3,980

Nepalese Kyanite 1 stone loose (Royal Blue color, 4 x 6mm, oval cut) {Multiple purchase discount available} Sale price¥3,980

Nepalese Kyanite 1 stone loose (Royal Blue color, 4mm, round cut) {Multiple purchase discount available} Sale price¥2,980

Spanish Sphalerite 5.3mm/0.788ct loose stone Sale price¥9,800

Spanish bicolor sphalerite 0.765ct loose stone Sale price¥12,800

Spanish bicolor sphalerite 0.866ct loose stone Sale price¥12,800

マダガスカル産ベキリーブルーガーネット（カラーチェンジガーネット） 0.159ctルース

Bekiri Blue Garnet (Color Change Garnet) from Madagascar 0.159ct Loose Stone Sale price¥15,800

マダガスカル産ベキリーブルーガーネット（カラーチェンジガーネット） 0.184ctルース

Bekiri Blue Garnet (Color Change Garnet) from Madagascar 0.184ct Loose Stone Sale price¥19,800

Madagascar Andalusite 0.542ct loose stone Sale price¥8,800

マダガスカル産ベキリーブルーガーネット（カラーチェンジガーネット） 0.126ctルース

Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.126ct Loose Stone Sale price¥12,800

マダガスカル産ベキリーブルーガーネット（カラーチェンジガーネット） 0.129ctルース

Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.129ct Loose Stone Sale price¥12,800

マダガスカル産ベキリーブルーガーネット（カラーチェンジガーネット） 0.119ctルース

Bekily Blue Garnet from Madagascar (color change garnet) 0.119ct loose Sale price¥12,800

マダガスカル産ベキリーブルーガーネット（カラーチェンジガーネット） 0.162ctルース

Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.162ct Loose Stone Sale price¥16,800

マダガスカル産ベキリーブルーガーネット（カラーチェンジガーネット） 0.149ctルース

Bekily Blue Garnet from Madagascar (color change garnet) 0.149ct loose Sale price¥14,800

マダガスカル産ベキリーブルーガーネット（カラーチェンジガーネット） 0.154ctルース

Bekiri Blue Garnet (Color Change Garnet) from Madagascar 0.154ct Loose Stone Sale price¥15,800

Sri Lankan Star Sapphire 1.237ct Loose Sale price¥15,800

Brazilian Indigolite Tourmaline in Quartz 1.873ct Loose Stone Sale price¥12,800

Zimbabwe Bicolor Euclase 2.6mm/0.087ct Loose Stone Sale price¥55,800

Zimbabwean Euclase 1.8mm/0.021ct Loose Stone Sale price¥15,800

Zimbabwean Euclase 0.039ct loose stone Sale price¥22,800

Zimbabwean Euclase 0.063ct loose stone Sale price¥39,800

Euclase from Zimbabwe 0.046ct loose Sale price¥29,800

Zimbabwean Euclase 0.032ct loose stone Sale price¥15,800

Zimbabwean Euclase 0.029ct loose stone Sale price¥19,800

Colombian pyrite in emerald 15.291ct loose Sale price¥1,000,000

Brazilian Paraiba Tourmaline in Quartz 1.171ct Loose Stone Sale price¥18,800

Brazilian Paraiba Tourmaline in Quartz 1.674ct loose stone Sale price¥19,800

Brazilian Morganite 0.591ct loose stone Sale price¥3,980

マダガスカル産ベキリーブルーガーネット（カラーチェンジガーネット） 0.824ctルース

Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.824ct Loose Stone Sale price¥39,800

Brazilian copper rutilated quartz 6.8mm/1.206ct loose stone Sale price¥8,800

YAG (Yttrium Aluminum Garnet) 4.5mm/0.440ct loose stone Sale price¥8,800

YAG (Yttrium Aluminum Garnet) 4.8mm/0.538ct loose stone Sale price¥8,800

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.

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