Madagascar

Bicolor sapphire from Madagascar 0.252ct loose Sale price¥9,800

Bicolor sapphire from Madagascar 0.259ct loose Sale price¥4,980

Bicolor sapphire from Madagascar 0.198ct loose Sale price¥7,980

Bicolor sapphire from Madagascar 0.212ct loose Sale price¥7,980

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） 0.618ctルース

Andesine Labradorite from Madagascar (commonly known as Rainbow Moonstone) 0.618ct loose Sale price¥5,980

Bicolor chrysoberyl from Madagascar 1.590ct loose Sale price¥19,800

Bicolor chrysoberyl from Madagascar 1.520ct loose Sale price¥18,800

[12/14 22:00 Sale] Madagascar Iolite 0.644ct Loose Stone Sale price¥7,980

[On Sale at 10 PM on December 7th] Madagascar Andesine Labradorite Moonstone (also known as Rainbow Moonstone) 0.178ct Loose Stone Sale price¥9,800

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） 0.696ctルース

Andesine Labradorite from Madagascar (commonly known as Rainbow Moonstone) 0.696ct loose Sale price¥6,980

[On Sale at 10 PM on December 21st] Madagascar Bicolor Sapphire 5.8mm/1.006ct Loose Sale price¥12,800

【さくらインカット】マダガスカル産アパタイト 7.9mm/1.537ct《コラボ》ルースワッペン

[Sale starts at 10 PM on December 5th] [Sakura In-Cut] Madagascar Green Apatite 7.9mm/1.537ct [Collaboration] Loose Stone with Patch Sale price¥45,800

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） 1.127ctルース

Andesine Labradorite (commonly known as Rainbow Moonstone) from Madagascar 1.127ct loose Sale price¥7,980

Green sapphire 0.518ct loose (teal green) Sale price¥8,800

[On Sale 11/16 10pm] Madagascar Dumortierite (Single Crystal) 0.195ct Loose Stone Sale price¥89,800

[On sale November 15th at 10 PM] [Limited to 7 stones] One loose colorless apatite from Madagascar (all stones come with a certificate of authenticity, average 0.60 carat) [Multiple purchase discounts available] Sale price¥4,980

[Available at 10 PM on November 15th] Limited Quantity: Single Rough Neon Blue Apatite from Madagascar (Average 2.2 carats) [Multiple Purchase Discounts Available] Sale price¥1,280

Sapphire from Madagascar 4.5mm/0.414ct loose Sale price¥12,800

Sapphire from Madagascar 4.3mm/0.398ct loose Sale price¥12,800

[12544897 published] Bicolor sapphire 1.341ct loose Sale price¥29,800

[11/10 22:00 Sale] Silky Pink Sapphire from Madagascar 1.050ct Loose GIT Sale price¥128,000

Yellow sapphire from Madagascar 0.232ct loose Sale price¥6,980

Yellow sapphire from Madagascar 0.207ct loose Sale price¥6,980

Madagascar sapphire 0.205ct loose Sale price¥7,980

[12/1 22:00 Sale] Madagascar Sphene 1.864ct Loose Stone Sale price¥45,800

Green sapphire from Madagascar 0.199ct loose Sale price¥6,980

Yellow sapphire from Madagascar 0.181ct loose Sale price¥4,980

Ice blue sapphire from Madagascar 0.181ct loose Sale price¥6,980

[On Sale 11/2 at 10pm] Madagascar Bicolor Sapphire 0.266ct Loose Sale price¥16,800

[On Sale 11/1 at 10pm] Madagascar Bicolor Sapphire 0.318ct Loose Sale price¥25,800

[On sale 11/6 at 10pm] Madagascar Andalusite 1.967ct Loose Stone Sale price¥29,800

[11/14 22:00 Sale] Madagascar Pezzottaite 0.198ct Loose Stone Sale price¥15,800

[On Sale 11/7 at 10pm] Madagascar Apatite 6.0mm/0.901ct Loose Stone Sale price¥9,800

[On Sale at 10 PM on October 31st] Madagascar Bicolor Sapphire 0.633ct Loose Sale price¥39,800

[On Sale at 10pm on October 31st] Madagascar Grandidierite 0.168ct Loose Stone Sale price¥35,800

Madagascar Labradorite 0.546ct Loose Stone Sale price¥7,980

0.903ct loose labradorite from Madagascar Sale price¥9,800

[On Sale 11/22 10pm] Madagascar Bicolor Sapphire 0.278ct Loose Sale price¥8,800

[On Sale at 10 PM on November 24th] Madagascar Bicolor Sapphire 0.324ct Loose Sale price¥9,800

Grandidierite 0.206ct loose Sale price¥22,800

Celestite from Madagascar 7.080ct loose Japanese and German Sale price¥98,000

0.597ct Green Apatite Loose Stone from Madagascar Sale price¥6,980

Golden Iolite (Cordierite) from Madagascar 0.193ct loose stone Sale price¥8,800

Color change garnet from Madagascar 0.648ct loose Sale price¥8,800

Sphene from Madagascar 0.765ct loose Sale price¥15,800

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） 6mm/0.669ctルース

Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 6mm/0.669ct Loose Stone Sale price¥9,800

Montebrasite from Madagascar 0.328ct loose Sale price¥3,980

[12549429] Blue sapphire 0.862ct loose stone Sale price¥25,800

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.