La line

[Item ID: 22602669] [Karafuri] Pt900 Ruby 0.58ct Ring Sale price¥98,000

[Published 22602698] [Karafuri] K18 Ruby 6.74ct Ring Diamond 0.91ct with identification report Sale price¥228,000

【12548939掲載】マダガスカル産ラズライトインクォーツ 1.600ctルース

Lazurite in quartz from Madagascar 7.5mm/1.600ct loose Sale price¥18,800

[Published as 12564055] American Red Beryl 0.239ct Loose Stone Sale price¥69,800

[Lottery Sale 0731_09] Burmese Ruby 1.020ct Loose Stone GIA Sale price¥188,000

[Lottery Sale 0725_10] Unheated Mozambique Pigeon Blood Ruby 0.430ct Loose Gemstone AIGS Sale price¥98,000

[Sale starts 8/14 at 10 PM JST] Pakistani Lazulite (blue spar) 0.056ct Loose Gemstone with Certificate Sale price¥11,800

[On Sale August 16th at 10 PM] Lazurite (Lapis Lazuli) from Pakistan, 0.116ct Loose Stone with Certificate Sale price¥24,800

[On sale 8/9 at 10 PM] Pakistani Lapis Lazuli (Lazurite) 0.063ct Loose Stone with Certificate Sale price¥14,800

[Sale at 10 PM on August 9] Pakistan Lazurite (Lapis Lazuli) 0.054ct Loose Gemstone with Certificate Sale price¥12,800

[Sale on August 9 at 10 PM] Pakistani Lazurite (Lapis Lazuli) 0.052ct Loose Stone with Certificate Sale price¥12,800

[Published 12563933] Brazilian Rubellite 1.100ct Loose Stone Sale price¥98,000

Brazilian rhodonite 1.423ct loose stone Sale price¥29,800

[On sale August 2nd at 10 PM JST] Sweet Home Mine Rhodochrosite 0.100ct Loose Gemstone with Certificate Sale price¥8,800

Pt900 ビルマ産ルビー 1.07ct・ダイヤモンド0.32ctリング GIA

[22602674 Listed] [Karafuri] Pt900 Burma Ruby 1.07ct Ring Sale price¥258,000

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） 3.219ctルース

Rainbow Garnet (Andradite Garnet) from Tenkawa Village, Nara Prefecture, 3.219ct Loose Stone Sale price¥24,800

[Karafuru] Pt900 Ruby 0.69ct, Diamond 0.16ct Ring with Appraisal Report Sale price¥188,000

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） 3.9mm/0.378ctルース（ローズカット）

Andradite Garnet (Rainbow Garnet) from Tenkawa Village, Nara Prefecture, 3.9mm/0.378ct loose stone (rose cut) Sale price¥9,800

[On sale 8/14 at 10 PM] US Sweet Home Mine Rhodochrosite 0.179ct Loose Stone with Certificate Sale price¥14,800

[On sale August 11th, 10 PM] Sweet Home Mine Rhodochrosite 0.104ct Loose Stone with Certificate Sale price¥8,800

[Published on 12563087] Unheated Ruby 0.216ct Loose Stone Sale price¥59,800

Brazilian rose quartz 8.7mm/2.536ct loose stone Sale price¥11,800

[Listed as 22602651] [Colorful] K9 Ruby Pendant Top (Necklace Top) Sale price¥19,800

[Published 12562264] Brazilian Lazulite 0.048ct Loose Sale price¥36,800

0.416ct Loose Mozambique Ruby with Gemstone Identification Report Sale price¥29,800

[Listed on 22602645] [Colorful] Pt900 Ruby 0.6ct Ring Sale price¥98,000

K18WG ルビー 0.94ct・ダイヤモンド0.66ctペンダントトップ（ネックレストップ）　鑑別書

[Published on 22602611] [Carafur] K18WG Ruby 0.94ct Pendant Top (Necklace Top) Sale price¥158,000

Brazilian rutilated quartz (rutilated quartz) 8.1mm/1.482ct loose stone Sale price¥8,800

Tanzanian Rhodolite Garnet 0.448ct Loose Stone Sale price¥6,980

Tanzanian Rhodolite Garnet 0.810ct Loose Stone Sale price¥9,800

Brazilian Lazulite 0.067ct Loose Gemstone with Certificate Sale price¥49,800

Brazilian Lazulite 0.061ct Loose Gemstone with Certificate Sale price¥45,800

Unheated Ruby, 0.207 ct, Loose Stone, Hōki Kyō Sale price¥69,800

マダガスカル産アンデシン・ラブラドライト（通称名レインボームーンストーン） 1.440ctルース

1.440 ct loose andesine-labradorite (commonly known as rainbow moonstone) from Madagascar Sale price¥25,800

K18 白蝶真珠（白蝶パール）鳥モチーフペンダントトップ（ネックレストップ）鑑別書

【Qalafuri】K18 White South Sea Pearl, 0.17ct Diamond, Ruby, Sapphire, Emerald Bird Motif Pendant Top with Appraisal Sale price¥198,000

マダガスカル産アンデシン・ラブラドライト（通称名レインボームーンストーン） 0.807ctルース

0.807ct Loose Andesine-Labradorite from Madagascar (Common Name: Rainbow Moonstone) Sale price¥8,800

マダガスカル産アンデシン・ラブラドライト（通称名レインボームーンストーン） 0.619ctルース

Madagascar Andesine-Labradorite (commonly known as Rainbow Moonstone) 0.619 ct Loose Stone Sale price¥6,980

American Red Beryl 0.147ct Loose Sale price¥35,800

American Red Beryl 0.132ct Loose Sale price¥33,800

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） 0.585ctルース

Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 0.585ct loose stone Sale price¥12,800

Madagascar Labradorite 0.823ct Loose Stone Sale price¥7,980

American red beryl 0.143ct loose Sale price¥35,800

[KalaFuri] K18 Rhodochrosite 0.77ct Ring with Certification Sale price¥39,800

Ruby 0.820ct Loose Gem (Hohki-kyo) Sale price¥39,800

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） 1.101ctルース

6.0mm/1.101ct Loose Andesine-Labradorite from Madagascar (common name: Rainbow Moonstone) Sale price¥16,800

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） 0.556ctルース

Madagascar Andesine-Labradorite (Commonly known as Rainbow Moonstone) 0.556ct Loose Stone Sale price¥8,800

0.464 ct Mozambique Ruby Loose Stone with Identification Report Sale price¥29,800

Detroit City Rhodochrosite 4mm/0.434ct 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.

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.