Coming soon

American benitoite 0.187ct loose Sale price¥39,800

[12/21 22:00] Brazilian Bicolor Tourmaline 7.268ct Loose Stone Sale price¥158,000

Pink tourmaline 0.205ct loose Sale price¥4,980

Mint green sapphire 0.348ct loose Sale price¥9,800

Mint color tourmaline 0.229ct loose Sale price¥4,980

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

[12/20 22:00 Sale] Colombian Emerald 7.924ct Rough Stone Sale price¥9,800

[12/20 22:00 Sale] Colombian Emerald 8.169ct Rough Stone Sale price¥9,800

[12/20 22:00 Sale] Colombian Emerald Rough Stone 13.577ct Sale price¥18,800

[12/20 22:00 Sale] Brazilian Gashenite 0.527ct Loose Stone Sale price¥8,800

[12/20 22:00 Sale] Colombian Emerald Rough Stone 6.933ct Sale price¥9,800

[Available at 10 PM on December 20th] Mali Garnet (Grossular/Andradite Garnet) 0.872ct Loose Stone from the Republic of Mali with Certificate of Authenticity Sale price¥29,800

[12/20 22:00 Sale] Colombian Emerald Rough Stone 5.895ct Sale price¥9,800

[12/21 22:00] Myanmar Leuco Garnet 0.542ct Loose Stone with Certificate of Authenticity Sale price¥39,800

Kunzite from Afghanistan 26.784ct loose Sale price¥59,800

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

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

Brazilian dumortierite in quartz 4.592ct loose Sale price¥9,800

[12/21 22:00] Zambian Bicolor Tourmaline 6.536ct Loose Stone Sale price¥128,000

[12/21 22:00] Zambian Bicolor Tourmaline 4.019ct Loose Stone Sale price¥98,000

[12/21 22:00] Mexican Cantera Opal 9.166ct Loose Sale price¥69,800

[12/21 22:00] Sri Lankan Blue Sapphire 1.008ct Loose Sale price¥69,800

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

[12/21 22:00] Rainbow Garnet (Andradite Garnet) 7.0mm/2.135ct Loose Stone from Tenkawa Village, Nara Prefecture Sale price¥12,800

Goshenite 1.989ct loose Sale price¥18,800

Mexican water opal 0.212ct loose (contrarus opal) Sale price¥18,800

Goshenite 1.620ct loose Sale price¥15,800

Yellow sapphire from Sri Lanka 0.222ct loose Sale price¥9,800

Dendritic Agate 2.964ct loose Sale price¥8,800

Brazilian kyanite in quartz 4.770ct loose Sale price¥12,800

Chinese aragonite 36.409ct loose with patch Sale price¥5,980

Brazilian Trapichea Amethyst 24.772ct loose with patch Sale price¥6,980

Tourmaline cat's eye 0.910ct loose Sale price¥4,980

[12/22 22:00] Red Coral (Coral) 6.833ct Loose Stone Sale price¥39,800

[12/22 22:00] Red Coral (Coral) 1.467ct Loose Stone Sale price¥15,800

[12/22 22:00] Red Coral (Coral) 1.406ct Loose Stone Sale price¥12,800

[12/22 22:00] Mozambique Ruby 0.537ct Loose Sale price¥15,800

[12/22 22:00] Sri Lankan Star Sapphire 12.679ct Loose Sale price¥158,000

[12/22 22:00] Sri Lankan Blue Sapphire 0.645ct Loose Sale price¥25,800

[12/22 22:00] Brazilian Green Tourmaline 3.102ct Loose Stone Sale price¥69,800

Bicolor Zoisite 1.210ct loose Sale price¥15,800

Danburite 1.427ct loose stone Sale price¥3,980

Aquamarine cat's eye 3.528ct loose Sale price¥3,980

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

Mexican fire agate 3.800ct loose Sale price¥5,980

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.