La line

Pakistani Lazurite (Azurite) 0.123ct loose stone Sale price¥59,800

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） 10.080ctルース

Rainbow garnet (andradite garnet) from Tenkawa Village, Nara Prefecture 10.080ct loose Sale price¥8,800

Unheated Ruby 0.330ct Loose AIGS Sale price¥35,800

Burmese Ruby 0.418ct Loose Stone Japan-Germany Sale price¥35,800

Burmese unheated ruby 0.245ct loose stone by Nikkei Sale price¥39,800

Myanmar Ruby 0.283ct Loose Sale price¥29,800

Burmese Ruby 0.239ct Loose Sale price¥9,800

Limited quantity: 1 impregnated ruby loose (4mm, round cut, identification instructions included) Multiple purchase discounts available Sale price¥1,980

Pakistan Ruby in Quartz 1.429ct Loose Stone Sale price¥12,800

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） 10.840ctルース

Rainbow garnet (andradite garnet) from Tenkawa Village, Nara Prefecture 10.840ct loose Sale price¥8,800

Brazilian Rubellite (Red Tourmaline) 3.844ct Loose Stone Sale price¥128,000

Brazilian Rubellite 2.022ct Loose Stone Sale price¥55,800

Brazilian Rubellite (Red Tourmaline) 1.525ct Loose Stone Sale price¥39,800

Ruby 0.284ct loose Sale price¥15,800

Ruby 0.273ct loose stone Sale price¥13,800

Ruby 0.173ct loose stone Sale price¥12,800

Ruby 0.248ct loose Sale price¥12,800

インド産アンデシン・ラブラドライト（通称名レインボームーンストーン） 0.650ctルース

Indian Andesine Labradorite (also known as Rainbow Moonstone) 6mm/0.650ct loose stone Sale price¥15,800

【甲州貴石切子】ルチルクォーツ（ルチルレイテッドクォーツ） 12.860ctルース《コラボ》ワッペン

[Koshu Precious Stones Cut] Brazilian Rutile Quartz (Rutile-Rated Quartz) 12.860ct Loose Stone [Collaboration] Patch Sale price¥59,800

[Koshu Precious Stones Cut] Brazilian Rutile Quartz (Rutile-Rated Quartz) 2.270ct Loose Patch Sale price¥29,800

[Limited to 9 stones] Argentine Inca Rose (Rhodochrosite, average 1.2ct) [Multiple purchase discount available] Sale price¥3,980

[Limited to 10 stones] Inca Rose from Argentina (Rhodochrosite, average 1.5ct) [Multiple purchase discount available] Sale price¥5,980

Rhodochrosite from South Africa 4.2mm/0.409ct loose Sale price¥39,800

Mozambique Rubellite 1.706ct Loose Stone Sale price¥39,800

Andesine Labradorite (also known as Blue Moonstone) 1.096ct loose stone Sale price¥45,800

Andesine Labradorite (also known as Blue Moonstone) 0.949ct loose stone Sale price¥45,800

Tanzanian Rhodolite Garnet 10.608ct Loose Stone Sale price¥98,000

American red beryl 0.092ct loose Sale price¥19,800

Brazilian Lazurite (Azurite) 0.083ct loose stone Sale price¥24,800

Brazilian Lazurite (Azurite) 0.071ct loose stone Sale price¥22,800

Brazilian Lazurite (Azurite) 0.052ct loose stone Sale price¥16,800

Myanmar Trapiche Ruby 2.6mm/0.125ct Loose Stone Sale price¥5,980

Mozambique rubellite 1.141ct loose stone Sale price¥29,800

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） 1.742ctルース

Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 1.742ct loose stone Sale price¥37,800

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） 1.099ctルース

Rainbow Garnet (Andradite Garnet) from Tenkawa Village, Nara Prefecture 1.099ct loose stone Sale price¥8,800

Brazilian rhodonite 3.224ct loose stone Sale price¥98,000

Brazilian Rubellite 3.845ct loose stone 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） 1.885ctルース

Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 1.885ct loose stone Sale price¥39,800

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） 0.843ctルース

Rainbow Garnet (Andradite Garnet) from Tenkawa Village, Nara Prefecture 5.1mm/0.843ct Loose Stone Sale price¥6,980

Brazilian Rubellite 1.027ct Loose Stone Sale price¥69,800

アフガニスタン産バイカラートルマリン（通称名：バイカラールベライト） 2.736ctルース

Afghanistan Bicolor Tourmaline (also known as Bicolor Rubellite) 2.736ct loose stone Sale price¥79,800

アフガニスタン産バイカラートルマリン（通称名：バイカラールベライト） 3.512ctルース

Afghanistan Bicolor Tourmaline (also known as Bicolor Rubellite) 3.512ct Loose Sale price¥98,000

アフガニスタン産バイカラートルマリン（通称名：バイカラールベライト） 2.888ctルース

Afghanistan Bicolor Tourmaline (also known as Bicolor Rubellite) 2.888ct Loose Sale price¥88,000

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

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

Brazilian Rubellite Cat's Eye 1.180ct Loose Stone Sale price¥29,800

Pakistani Lazurite (Azurite) 0.305ct Loose Stone Sale price¥49,800

Pakistani Lazurite (Azurite) 0.375ct loose stone Sale price¥59,800

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.