Vertical: 8.1 - 9.0mm

【10/31 22時販売】アフガニスタン産ブルーサイト 2.055ctルース Sale price¥22,800

[Deadline: Wed, 9/22, 10:00 AM: Lottery Sale_10] Australian Teal Blue Sapphire 2.108ct Loose Stone with Appraisal Report Sale price¥98,000

Tibetan bicolor andesine 1.542ct loose stone Sale price¥12,800

Brazilian Imperial Topaz 0.764ct Loose Stone Sale price¥18,800

Brazilian bicolor tourmaline 0.845ct loose stone Sale price¥12,800

【10/31 22時販売】ブラジル産カラーシフトアメジスト 2.301ctルース Sale price¥12,800

【11/2 22時販売】アフガニスタン産ブルーサイト 1.152ctルース Sale price¥15,800

【11/2 22時販売】スリランカ産ホワイトサファイア 1.509ctルース鑑別書 Sale price¥39,800

【11/3 22時販売】ブラジル産トルマリンキャッツアイ 3.375ctルース Sale price¥52,800

Brazilian Green Tourmaline 1.059ct Loose Stone Sale price¥15,800

[Available 10/14 at 22:00] Pakistani Vanadium Sphene 1.690ct Loose Gemstone with Identification Report Sale price¥69,800

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

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

[Available 10/4, 10:00 PM] Mongolian Andesine 8.1mm/1.935ct Loose Gemstone Sale price¥18,800

[Available 10/12 at 22:00] Brazilian Color-Shift Amethyst 1.614ct Loose Gemstone Sale price¥8,800

Myanmar Star Peridot 3.644ct Loose Stone Sale price¥29,800

[Deadline 8/29 | Lottery Sale] Brazilian Indicolite Tourmaline 2.587ct Loose Stone, with NGL Certificate Sale price¥98,000

[Available 9/30 at 10 PM] Nepal Kyanite 1.216ct Loose Gemstone (Royal Blue Color) Sale price¥15,800

[Available 9/23 at 10:00 PM] Sri Lankan Moonstone 1.440ct Loose Gemstone Sale price¥15,800

[On sale 9/25 at 10 PM] Brazilian Color-Shift Amethyst 2.124ct Loose Gemstone Sale price¥12,800

Spanish Sphalerite 8mm/2.796ct loose stone Sale price¥69,800

Mozambique rubellite 2.752ct loose stone Sale price¥69,800

Mozambique Rubellite 2.141ct Loose Stone Sale price¥69,800

【Lottery Sale 0818_02】Brazilian Fanaizinho Sphene 0.956ct Loose Stone with Certificate Sale price¥19,800

1.953ct Bicolor Sphalerite from Spain Sale price¥18,800

Brazilian Lepidocrocite in Quartz 1.126ct Loose Stone Sale price¥9,800

【12551314掲載】ジンバブエ産ブルーアパタイト（UVタイプ） 1.019ctルース

Zimbabwean Blue Apatite (UV Type) 1.019ct Loose Sale price¥8,800

Zimbabwean Blue Apatite (UV type) 1.056ct loose stone Sale price¥9,800

[Available Sept 4, 10 PM] Brazilian Color-Shift Amethyst 2.649ct Loose Gemstone Sale price¥9,800

[Available 9/4 at 10 PM] Brazilian Elestial Amethyst 1.855ct Loose Stone Sale price¥8,800

[Available 9/6 at 10 PM] Moonstone from Uva, Sri Lanka, 1.418ct Loose Gemstone Sale price¥22,800

Brazilian pink tourmaline 1.458ct loose stone Sale price¥39,800

Oregon Sunstone from the United States 1.132ct loose stone Sale price¥12,800

Brazilian copper rutilated quartz 1.262ct loose stone Sale price¥6,980

Brazilian copper rutilated quartz 1.647ct loose stone Sale price¥6,980

[Published on 12563859] Australian black opal, 1.184ct loose stone Sale price¥45,800

[Listing 12563862] Australian Black Opal 1.392ct Loose Sale price¥69,800

[Available 9/3 at 10:00 PM] 1.336ct Loose Blood Red Coral from Kochi Prefecture Sale price¥9,800

Purple zoisite from Tanzania 1.103ct loose Japanese German edition Sale price¥98,000

[Sales begin August 24 at 10 PM JST] 0.830ct Red Coral Loose Stone from Kochi Prefecture Sale price¥9,800

[Sales begin 8/24 22:00] Kochi Prefecture Produced Deep Red Coral 0.984ct Loose Stone Sale price¥9,800

[On sale August 24th at 10 PM] Kochi Prefecture Blood Coral 0.939ct Loose Stone Sale price¥9,800

[On sale August 25, 10 PM JST] Madagascar Labradorite 8.7mm/2.651ct Rose-Cut Loose Gemstone Sale price¥9,800

[Published as 12563385] Tanzanian Zircon 3.964ct Loose Sale price¥39,800

[12563744 listed] Bi-color Tourmaline from Brazil 1.153ct Loose Stone Sale price¥12,800

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

[On sale August 9, 10 PM] Australian Opal 0.674ct Loose Stone with Certificate Sale price¥8,800

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

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.