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【Nov 2, 10:00 PM Sale】《Limited to 6 stones》Mexican Fire Agate Loose Stone (Avg. 23ct) 《Multi-buy discount available》 Sale price¥3,980

[Available 11/1 at 10 PM] 《8 stones limited》 Indian Iolite Sunstone loose stone (avg. 0.4ct, oval cut) 《Multiple purchase discount available》 Sale price¥2,980

[Available 11/1 at 10 PM] <limited to stones> Indian Iolite Sunstone loose stone (avg. 0.32ct) <multi-buy discount available></multi-buy></limited>

[Available 11/1 at 10 PM] Indian Iolite Sunstone loose stone (avg. 0.32ct) Sale price¥2,280

Pt900 ピンクサファイア0.214ct・ダイヤモンド0.10ctリング鑑別書

[Item 22602724] [Colori] Pt900 Pink Sapphire & 0.10ct Diamond Ring with Appraisal Report Sale price¥79,800

[Ref: 22602726] [Colorful] K18WG Ruby & 0.02ct Diamond Ring with Appraisal Report Sale price¥98,000

Pt900/Pt850 ブラックダイヤモンド0.70ct・ダイヤモンド0.53ctペンダント（ネックレス）鑑別書

[Item 22602733] [Colorfully] Pt900/Pt850 Black Diamond and Diamond 0.53ct Pendant (Necklace) with Identification Report Sale price¥98,000

Pt900 カナリーイエロートルマリン1.42ct・ダイヤモンド0.15ctペンダントトップ（ネックレストップ）鑑別書

[Item 22602731] [Colorifull] Pt900 Canary Yellow Tourmaline & 0.15ct Diamond Pendant Top (Necklace Top) with Identification Report Sale price¥158,000

K18WG エメラルド0.15ct・ダイヤモンド0.12ctペンダントトップ（ネックレストップ）鑑別書

[Item #22602732][Colori] K18WG Emerald & 0.12ct Diamond Pendant Top (Necklace Top) with Appraisal Report Sale price¥39,800

[Posted on 22602707] [Colorful] Pt900 Rubellite 1.308ct Ring Sale price¥158,000

【10/10 10:00 PM Release】《Limited to 3 stones》 Nigerian Aquamarine Gacha (including Santa Maria color / cut by KEN) (Includes 1 KEN garnet) 《Multiple purchase discounts available》 Sale price¥3,980

[On Sale 10/10 at 22:00] 《Limited to 15 stones》 Jaipur-cut Carved Gem Gacha 《Multi-purchase discount available》 Sale price¥2,980

[Item 12564248] Madagascar Sapphire 0.385ct Loose Stone Sale price¥18,800

[Available 10/10 at 10 PM] Hemimorphite from Congo, 3.363ct loose stone Sale price¥18,800

[Available 10/10 at 10 PM] Brazilian Yellow Beryl 0.952ct Loose Gemstone Sale price¥14,800

[Available Oct 10, 10:00 PM] Madagascar Apatite 0.300ct Loose Stone Sale price¥8,800

[10/10 10:00 PM Release] Turkish Diopside 0.450ct Loose Stone Sale price¥9,800

[Available 10/12 at 10 PM] Indian Iolite Sunstone 1.320ct Loose Gemstone Sale price¥9,800

[Available 10/12 at 10 PM] Indian Iolite Sunstone 1.225ct Loose Gemstone Sale price¥9,800

[Available Oct 12, 10 PM] Indian Iolite Sunstone 1.113ct Loose Gemstone Sale price¥11,800

[Available 10/12 at 10:00 PM] Indian Iolite Sunstone 1.064ct Loose Gemstone Sale price¥9,800

[10/11 10 PM Release] Indian Iolite Sunstone 7.0mm/1.232ct Loose Gemstone Sale price¥8,800

[On sale Oct 15, 10 PM] Sri Lankan Moonstone 0.922ct Loose Gemstone Sale price¥12,800

[Available Oct 15 at 10 PM] Sri Lankan Uva Moonstone 6.2mm/0.798ct Loose Gemstone Sale price¥12,800

[On sale 10/15 at 22:00] Moonstone from Uva, Sri Lanka, 6.2mm/0.755ct loose stone Sale price¥12,800

[On sale 10/12 at 22:00] Sri Lankan Uva Moonstone 0.740ct Loose Stone Sale price¥14,800

【Available 10/12 at 10:00 PM】 Pakistani Vayrynenite 0.075ct Loose Stone Sale price¥16,800

[Available 10/12 at 10 PM] Pakistani Vayrynenite 0.067ct Loose Gemstone Sale price¥14,800

[10/12 10 PM Release] Vayrynenite from Pakistan, 0.064ct Loose Gemstone Sale price¥14,800

[10/12 10 PM Release] Pakistani Väyrynenite 0.099ct Loose Gemstone Sale price¥22,800

[Available 10/12 at 10 PM] Tanzanian Sunstone (Illusion Sunstone) 4.124ct Loose Gemstone Sale price¥15,800

[10/12 10 PM Sale] Tanzanian Sunstone (Illusion Sunstone) 7.715ct Loose Stone Sale price¥24,800

[Available 10/12 at 10 PM] Tanzanian Sunstone (Illusion Sunstone) 2.888ct Loose Gemstone Sale price¥9,800

【Available 10/15, 10:00 PM】 Tanzanian Sunstone (Illusion Sunstone) 6.411ct Loose Gemstone Sale price¥19,800

[10/15 10 PM Sale] Tanzanian Sunstone (Illusion Sunstone) 5.158ct Loose Gemstone Sale price¥15,800

【Available Oct 15 at 10:00 PM】Tanzanian Sunstone (Illusion Sunstone) 5.162ct Loose Stone Sale price¥15,800

[Available 10/15 at 10 PM] Tanzanian Sunstone (Illusion Sunstone) 6.321ct Loose Stone Sale price¥18,800

[Available 10/14 at 10 PM] Tanzanian Sunstone (Illusion Sunstone) 1.383ct Loose Gemstone Sale price¥6,980

[10/11 10 PM Sale] Mozambique Aquamarine 3.541ct Loose Gemstone with Identification Report Sale price¥45,800

[10/13 10:00 PM Release] Tanzanian Cobalt Spinel 2.7mm/0.100ct Loose Stone with Identification Report Sale price¥39,800

[Available 10/11 at 10 PM] Tanzanian Cobalt Spinel 2.3mm/0.070ct Loose Gemstone with Identification Report Sale price¥22,800

[Available 10/9, 10 PM] Tanzanian Cobalt Spinel 2.1mm / 0.053ct Loose Gemstone with Identification Report Sale price¥19,800

[Available 10/14 at 10 PM] Russian Demantoid Garnet (horsetail inclusions visible) 0.206ct Loose Gemstone Sale price¥79,800

[10/9 10 PM Sale] Russian Non-Oiled Emerald 0.061ct Loose Stone Sale price¥35,800

[Available 10/14 at 22:00] Russian Emerald 0.247ct Loose Gemstone Sale price¥49,800

[Item 12564461] Dominican Republic Larimar 3.420ct Loose Gemstone Sale price¥12,800

[Available 10/11 at 22:00] Colombian Trapiche Emerald 0.981ct Loose Gemstone with Appraisal Report Sale price¥58,800

[Item 12564459] Nepalese Kyanite 1.017ct Loose Gemstone Sale price¥9,800

[Item 12564471] Australian Boulder Opal 4.444ct Loose Gemstone Sale price¥17,800

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.