jewelry

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

Pt900 アコヤ真珠（アコヤパール）10.2mm・ダイヤモンド0.23ctリング鑑別書

[Published in 22602657] [Colorful] Pt900 Akoya Pearl Ring Sale price¥98,000

Pt900 インペリアルトパーズ 3.88ct・ダイヤモンド0.26ct リング鑑別書

[Sales start July 29, 10 PM JST] [COLORFUL] Pt900 Imperial Topaz 3.88ct / Diamond 0.26ct Ring with Appraisal Report Sale price¥258,000

Pt900/Pt850 ダイヤモンド 4.0mm/0.29ct 一粒ペンダント（ネックレス）

[On Sale 7/26 at 10 PM] [Colorfri] Pt900/Pt850 Diamond 4.0mm/0.29ct Solitaire Pendant (Necklace) Sale price¥35,800

Pt900/K18WG ダイヤモンド0.50ct ・ダイヤモンド0.07ctペンダント（ネックレス）

[On Sale 7/29 10 PM] [COLORFULI] Pt900/K18WG 0.50ct Diamond / 0.07ct Diamond Pendant (Necklace) Sale price¥89,800

[Sales begin 7/31 10 PM JST] [Colorflee] K18WG Diamond 0.30ct Earrings Sale price¥29,800

Pt850/K14WG アップルグリーンダイヤモンド0.38ct・ダイヤモンド0.50ct ピアス鑑別書

[On sale July 30, 10 PM] [Colorfri] Pt850/K14WG Apple Green Diamond 0.38ct / Diamond 0.50ct Earrings with appraisal report Sale price¥98,000

【Sales start July 29, 10 PM】[Colorfle] Pt900 Ruby 0.69ct, Diamond 0.16ct Ring with appraisal report Sale price¥188,000

[22602668 listed] [Colorful] K18 Tanzanite 0.25ct Ring Sale price¥79,800

[22602667 Posted] [Colorful] Pt900 Hauyne 0.035ct Ring Sale price¥89,800

K18 グロッシュラーガーネット 0.26ctct ペンダントトップ（ネックレストップ）

[22602626 listed] [Kalafr] K18 Grossular Garnet 0.26ct Charm Sale price¥39,800

[Published on 22602652] [Colorful] K18 Synthetic Opal Pendant Top Sale price¥19,800

Pt900 ブラックダイヤモンド 1.00ct・ダイヤモンド0.50ctリング鑑別書

[Lottery Sale 12][For Winners Only][Posted on 22602618] Pt900 Black Diamond 1.00ct / Diamond 0.50ct Ring Sale price¥158,000

Pt950/K18 パライバトルマリン 0.11ct（CuO:2.7%,MnO:3.4%）・ダイヤモンド1.12ctリング　宝貴協

[22602682 listed] [Colorful] Pt950/K18 Paraiba Tourmaline 0.11ct (CuO:2.7%, MnO:3.4%), Diamond 1.12ct Ring Sale price¥188,000

[Sales start July 20th, 10 PM JST] [Colorflee] K18 Diamond 0.15ct Pendant Top (Necklace Top) Sale price¥29,800

[On sale July 31, 10 PM] [Colorfuri] K18PG Shell Opal, Diamond, and Malachite Pendant Top (Necklace Top) with certificate Sale price¥29,800

[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

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

[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

[#202607 Akihabara Pop-up Store - Currently out for display] [Available for purchase on June 20 at 22:00] [Carafulli] Pt900 Blue Sapphire 1.05ct and 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

【#202607AkihabaraPopUpTakeOut】【Available 6/12 10 PM (JST)】【COLORFUL】Pt900 Thai Sapphire 1.33ct, Diamond 0.12ct Ring GIA Sale price¥198,000

[#202607 Akihabara Pop-up Store Carry-out Item] [On sale June 12th, 10 PM] [Colorfree] 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

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.