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¥10,000 - ¥30,000

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バイカラーアンデシン 2.657ctルース

Tibetan bicolor andesine 2.657ct loose stone Sale price¥19,800
スポジュメン 9.730ctルース

Spodumene 9.730ct loose stone Sale price¥22,800
スポジュメン 9.001ctルース

Spodumene 9.001ct loose stone Sale price¥22,800
Sapphire 0.461ct loose stone

Sapphire 0.461ct loose stone Sale price¥12,800
グリーン・スポジュメン 6.419ctルース

Green Spodumene 6.419ct loose stone Sale price¥15,800
デトロイドシティ産ロードクロサイト 0.150ctルース

Rhodochrosite from Detroit City, USA 3.2mm/0.150ct loose stone Sale price¥19,800
デトロイドシティ産ロードクロサイト 0.154ctルース

Rhodochrosite from Detroit City, USA 3.1mm/0.154ct loose stone Sale price¥19,800
スギライト 0.814ctルース

South African Sugilite 0.814ct loose stone Sale price¥12,800
スギライト 1.034ctルース

South African Sugilite 7.3mm/1.034ct loose stone Sale price¥14,800
ジンバブエ産ユークレース 0.058ctルース

Zimbabwean Euclase 0.058ct loose stone Sale price¥29,800
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） 0.213ctルース

[Sale on May 18th at 10 PM] Madagascar Bekily Blue Garnet (Color Change Garnet) 0.213ct Loose Stone Sale price¥22,800
0.186ct loose Bekily blue garnet (color-change garnet) from Madagascar

0.186ct loose Bekily blue garnet (color-change garnet) from Madagascar Sale price¥18,800
Madagascar Bekily Blue Garnet (Color Change Garnet) 0.188ct Loose Stone

Madagascar Bekily Blue Garnet (Color Change Garnet) 0.188ct Loose Stone Sale price¥18,800
[On sale May 1st at 10 PM JST] Madagascar Bekily Blue Garnet (Color Change Garnet) 0.167ct Loose Stone

[On sale May 1st at 10 PM JST] Madagascar Bekily Blue Garnet (Color Change Garnet) 0.167ct Loose Stone Sale price¥16,800
Bekily Blue Garnet (Color Change Garnet) from Madagascar 0.230ct Loose Gemstone

Bekily Blue Garnet (Color Change Garnet) from Madagascar 0.230ct Loose Gemstone Sale price¥18,800
Madagascar Bekily Blue Garnet (Color Change Garnet) 0.257ct Loose Stone

Madagascar Bekily Blue Garnet (Color Change Garnet) 0.257ct Loose Stone Sale price¥25,800
【12562768掲載】ブラジル産マイカインローズクォーツ（雲母インローズクォーツ） 8.477ctルース

Brazilian Mica in Rose Quartz Cabochon, 8.477ct Sale price¥11,000
ブラジル産非加熱インペリアルトパーズ（シェリーカラー） 0.368ctルース

[On sale May 6th, 10 PM JST] Brazilian unheated Imperial Topaz (Sherry Color) 0.368ct loose gemstone Sale price¥25,800
【12562795掲載】ブラジル産非加熱インペリアルトパーズ（シェリーカラー） 0.314ctルース

Unheated Brazilian Imperial Topaz (Sherry Color) 0.314ct Loose Sale price¥22,800
Brazilian Indicolite Tourmaline 0.352ct Loose Stone with Certification

Brazilian Indicolite Tourmaline 0.352ct Loose Stone with Certification Sale price¥29,800
コロンビア産エメラルドキャッツアイ 0.689ctルース

[On Sale May 14th at 10 PM] Colombian Emerald 0.689ct Loose Stone Sale price¥18,800
Ruby 0.528ct Loose Stone with Gem Identification Report

Ruby 0.528ct Loose Stone with Gem Identification Report Sale price¥28,800
Mexican Cantera Opal 5.811 ct Loose Stone with Certificate

Mexican Cantera Opal 5.811 ct Loose Stone with Certificate Sale price¥29,800
【12562861掲載】メキシコ産カンテラオパール 7.520ctルース

Mexican Cantera Opal 7.520 ct Loose Stone with Appraisal Sale price¥24,800
K18ベスビアナイト 0.63ct チャーム 鑑別書

[On sale May 31, 10 PM JST] [Colorfrui] Vesuvianite 0.63ct Charm with Certificate Sale price¥14,800
Pt900 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） 0.5ct ペンダントトップ（ネックレストップ）

[Sale on May 14 at 10 PM] [Colorful] Pt900 Andesine/Labradorite (commonly known as Rainbow Moonstone) 0.5ct Pendant Top (Necklace Top) with Identification Report Sale price¥18,800
【22602566掲載】K18 ペリドット リング

[On sale May 2nd at 10 PM JST] K18 Peridot Chain Ring Sale price¥22,800
【22602568掲載】K18 アクアマリン リング

[On sale May 2nd at 10 PM JST] K18 Aquamarine Chain Ring Sale price¥24,800
Colombian emerald 0.499ct rough stone

Colombian emerald 0.499ct rough stone Sale price¥14,800
バイカラータンザナイト 5.582ct原石

Bicolor Tanzanite 5.582ct rough stone Sale price¥18,800
Colombian Trapiche Emerald 0.422ct Loose

Colombian Trapiche Emerald 0.422ct Loose Sale price¥18,800
【32501908掲載】ブラウンダイヤモンド 0.290ctルース(FANCY BROWN, SI-2)

Loose Brown Diamond 0.290ct (FANCY BROWN, SI-2) Sale price¥15,800
【22602562掲載】K18 アメジスト リング

[On sale May 2nd at 10 PM] K18 Amethyst Chain Ring Sale price¥18,800
[On Sale May 2 at 10 PM] Ruby 0.286ct Loose Gemstone with Identification Report

[On Sale May 2 at 10 PM] Ruby 0.286ct Loose Gemstone with Identification Report Sale price¥22,800
【12562840掲載】メキシコ産カンテラオパール 32.560ctルース

[On sale at 10 PM on May 2nd] Mexican Cantera Opal 32.560ct Loose Stone Sale price¥29,800
スリランカ産エンスタタイト 1.877ctルース

[On sale May 2nd, 10 PM JST] Sri Lankan Colorless Enstatite 1.877ct Loose Stone with Japan-Germany Gemological Report Sale price¥29,800
[On sale May 3rd at 10 PM] Pink Diamond 0.137ct Loose (FANCY DEEP BROWNISH PINK, I-1)

[On sale May 3rd at 10 PM] Pink Diamond 0.137ct Loose (FANCY DEEP BROWNISH PINK, I-1) Sale price¥29,800
【32501899掲載】ダイヤモンド 0.167ctルース(G, VS-1, VeryGood)

[On sale May 3 at 10 PM] Diamond 3.5mm/0.167ct Loose Stone (G, VS-1, Very Good) Sale price¥29,800
カナダ産ユーディアライト 0.056ctルース

[Sales start May 6, 10 PM] Canadian Eudialyte 0.056ct Loose Stone with Certificate Sale price¥15,800
トルコ産カラーチェンジダイアスポア 1.085ctルース

[On sale May 9th, 10 PM JST] Turkish Color Change Diaspore 1.085ct Loose Gemstone Sale price¥18,800
ブラジル産グリーン・スポジュメン 1.460ctルース

[On sale 9 May, 10 PM] Brazilian Green Spodumene, 1.460 ct loose gemstone Sale price¥12,800
スペイン産コバルトカルサイト 0.253ctルース

[Sale at 10 PM on May 18th] Spanish Cobalt Calcite 0.253ct Loose Stone with Certificate Sale price¥25,800
スペイン産コバルトカルサイト 0.289ctルース

[For sale May 18, 10 PM JST] Spanish Cobalt Calcite 0.289ct Loose Stone with Certificate Sale price¥29,800
奈良県天川村産レインボーガーネット（アンドラダイトガーネット） 2.678ctルース

[Sale on May 26th at 10 PM] Rainbow Garnet (Andradite Garnet) from Tenkawa Village, Nara Prefecture 7.4mm/2.678ct Loose Stone Sale price¥15,800
タンザニア産タンザナイト 0.406ctルース

[On sale May 10th at 10 PM] Tanzanian Tanzanite 0.406ct Loose Stone Sale price¥12,800
ジンバブエ産バイカラーユークレース 0.152ctルース

[On sale May 11th at 10 PM] Bi-color Euclase from Zimbabwe, 0.152ct loose stone Sale price¥29,800
メキシコ産ファイアオパール（ファセットカット） 1.046ctルース

[On sale May 12th, 10 PM JST] Mexican Fire Opal (Faceted) 1.046ct Loose Stone Sale price¥29,800
ブラジル産ライモナイトイントパーズ 7.141ctルース

[On sale May 13th at 10 PM] Brazilian Limonite in Topaz 7.141ct Loose Gemstone Sale price¥19,800

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.