jewelry

[Lottery Sale 0629_10] K18/Pt950 Brazilian Paraiba Tourmaline 0.045ct / Diamond 0.042ct Ring (CuO: 2.0%, MnO: 2.2%) Sale price¥148,000

[Published on 22602650] [Colorful] K9 Blue Sapphire Pendant Top (Necklace Top) Sale price¥18,800

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

Pt900ブラックオパール 3.17ct・ダイヤモンド0.105ctペンダントトップ（ネックレストップ）鑑別書

[Listed in 22602653] [Colorflee] Black Opal 3.17ct Pendant Top (Necklace Top) Sale price¥128,000

Pt900 ブルーサファイア 2.67ct・ダイヤモンド0.75ctペンダントトップ（ネックレストップ）鑑別書

[Item 22602648] [Colorflee] Pt900 Blue Sapphire 2.67ct Pendant Top (Necklace Top) Sale price¥228,000

Pt850 ブルーサファイア 0.66ct・ダイヤモンド0.19ctリング鑑別書

[22602646 listed] [Karafuri] Pt850 Blue Sapphire 0.66ct Ring Sale price¥59,800

Pt900 ダイヤモンド原石 2.733ct・ダイヤモンド0.68ctリング鑑別書

[On sale July 13th, 10 PM JST] [COLORFULI] Pt900 Rough Diamond 2.733ct / Diamond 0.68ct Ring with Appraisal Card Sale price¥198,000

[On sale July 13th at 10 PM] [Colorful] K18 Slice Diamond and Yellow Sapphire Earrings with Certificate Sale price¥55,800

Pt900 ブラックオパール 0.58ct ペンダントトップ（ネックレストップ）鑑別書

[On sale July 11th, 10 PM JST] [Colorfrui] Pt900 Black Opal 0.58ct Pendant Top (Necklace Top) with Identification Card Sale price¥55,800

Pt900 ブラックオパール 0.66ct ペンダントトップ（ネックレストップ）鑑別書

[On Sale July 11th at 10 PM] [Colorfri] Pt900 Black Opal 0.66ct Pendant Top (Necklace Top) with Identification Card Sale price¥55,800

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

[Posted on 22602644] [Calafri] K18 Synthetic Sapphire Ring Sale price¥45,800

Pt950 ムーンストーンキャッツアイ 1.5ct ペンダントトップ（ネックレストップ）鑑別書

[Published on 22602643] [CALAFULI] Pt950 Moonstone Cat's Eye 1.5ct Pendant Top Sale price¥45,800

Pt950 ムーンストーンキャッツアイ 3ct ・ムーンストーンキャッツアイリング鑑別書

[Listed as 22602642][Colorful] Pt950 Moonstone Cat's Eye 3ct Ring Sale price¥79,800

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

Pt900 ブルーサファイア 0.43ct・ダイヤモンド0.44ctリング鑑別書

[Item ID: 22602630] [Karafuri] Pt900 Blue Sapphire 0.43ct Ring Sale price¥98,000

K18 ペリステライト 0.66ct・ダイヤモンドペンダントトップ（ネックレストップ）鑑別書

[22602614 Listed] [Calafli] K18 Peristerite 0.66ct Pendant Top (Necklace Top) Sale price¥29,800

[On sale June 27th at 10 PM] [Colorflee] K18 Blue Sapphire 1.89ct / Diamond 0.74ct Ring with Appraisal Report Sale price¥298,000

Pt900グロッシュラーガーネット 1.38ct・ダイヤモンド0.13ctリング鑑別書

[On sale 6/27 10 PM] [Colorful] Pt900 Grossular Garnet 1.38ct and Diamond 0.13ct Ring with Appraisal Sale price¥98,000

Pt950 アレキサンドライト 0.08ct・ダイヤモンド0.25ctリング鑑別カード

[On sale June 30th at 10 PM] Colorful Pt950 Alexandrite 0.08ct Diamond 0.25ct Ring with Identification Card Sale price¥98,000

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

[Sale on 6/22 at 10 PM] Colorful K18 White South Sea Pearl, 0.17ct Diamond, Ruby, Sapphire, Emerald Bird Motif Pendant Top (Necklace Top) with Appraisal Report Sale price¥198,000

[Sale starts June 22nd, 10 PM] Colorful K18 Ruby 0.44ct & Diamond 0.18ct Ring with Appraisal Report Sale price¥148,000

Pt900/K18 ルビー 0.28ct・ダイヤモンド0.20ct リング鑑別書

[Sale starts 10 PM, June 22] [Colorfuri] Pt900/K18 Ruby 0.28ct / Diamond 0.20ct Ring with Appraisal Report Sale price¥128,000

[On sale June 27, 10 PM] Colorful K18 Blue Sapphire and Diamond Ring with Certificate Sale price¥128,000

[Sale on 6/8 at 10 PM] Pt900 Benitoite 0.152ct / Diamond 0.58ct Ring Sale price¥188,000

[Available June 18th at 10 PM] [Colorful] K18WG Diamond 1.03ct Pendant Top Sale price¥128,000

[Sale from 10 PM on June 18th] [Colorful] K18 Akoya Pearl and Diamond 0.08ct Ring with Certificate Sale price¥49,800

[Sales start June 20th at 10 PM JST] [Colorfuri] K18 Rhodochrosite 0.77ct Ring with Certificate Sale price¥39,800

[On Sale June 20, 10 PM JST] [Colorfuri] Pt900/K18 Diamond 0.22ct Ring with Certificate Sale price¥98,000

Pt900 ブルーサファイア 2.38ct・ダイヤモンド0.20ctリング鑑別書

[On sale 6/25 10 PM] [COLORFUL] Pt900 Blue Sapphire 2.38ct and Diamond 0.20ct Ring with Appraisal Report Sale price¥198,000

Pt900 ブルーサファイア 1.05ct・ダイヤモンド0.05ctリング鑑別書

[On sale June 20th at 10 PM] Colorful Pt900 Blue Sapphire 1.05ct/Diamond 0.05ct Ring with Appraisal Report Sale price¥98,000

K18WG クロムトルマリン 0.70ctct・サファイア0.30ctペンダントトップ（ネックレストップ）鑑別書

[On sale 10 PM on 6/14] [Colorful] K18WG Chrome Tourmaline 0.70ct / Sapphire 0.30ct Pendant Top (Necklace Top) with appraisal Sale price¥79,800

[Sale on June 25th at 10 PM] [Colorful] K18WG Zircon Pendant Top (Necklace Top) with Appraisal Report Sale price¥59,800

[Available June 12, 10 PM JST] [Colorfuri] Pt900 Thai Sapphire 1.33ct and Diamond 0.12ct Ring with GIA Report Sale price¥198,000

[On sale June 12th at 10 PM] [Colorfuri] Pt900 Madagascar Sapphire 0.99ct / Diamond 0.58ct Ring GIA Sale price¥228,000

[COLORFUL] Pt900 Diamond 1.00ct Pendant (Necklace) Sale price¥49,800

[On sale May 26th, 10 PM] Colorful K18WG Diamond 0.40ct Pendant (Necklace) Sale price¥79,800

Pt900 ブラジル産パライバトルマリン 0.06ct ペンダント（ネックレス）

[On sale 5/26 10 PM] [Colorful] Pt900 Paraiba Tourmaline from Brazil 0.06ct / Diamond 0.18ct Pendant Top (CuO:2.6%, MnO:3.5%) Sale price¥69,800

Pt900 アイスブルーダイヤモンド（トリートメント） 0.256ctct ペンダント（ネックレス）

[On Sale 5/26 at 10 PM] Colorful Pt900 Ice Blue Diamond (Treated) 0.256ct / Diamond 0.06ct Pendant (Necklace) Sale price¥98,000

【Calafuri】K18 Quartzite Pendant Top (Necklace Top) Sale price¥49,800

Pt900 ダイヤモンド 0.65ctct ペンダントトップ（ネックレストップ）

[Colorful] Pt900 Diamond 0.65ct Pendant Top Sale price¥89,800

[On sale 5/23 at 10 PM] [Colorful] K18WG Diamond 0.126ct Pendant (Necklace) Sale price¥49,800

[On sale May 23 at 10 PM] [Colorfully] K18 Diamond 0.3ct Pendant Top (Necklace Top) Sale price¥39,800

[Sale from 10 PM on May 17th] [Colorful] K18WG Diamond 0.21ct Pendant Top (Necklace) Sale price¥49,800

[On sale May 2nd at 10 PM JST] K18 Aquamarine Chain Ring Sale price¥24,800

[On sale May 2nd at 10 PM JST] K18 Peridot Chain Ring Sale price¥22,800

[On sale May 2nd at 10 PM] K18 Amethyst Chain Ring Sale price¥18,800

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.