0.5ct - 1.0ct

Diaspore from Türkiye 0.636ct loose Sale price¥9,800

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

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

[12/14 22:00] American Peridot 5.1mm/0.573ct Loose Stone Sale price¥9,800

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

[12/14 22:00] Brazilian Yellow Beryl 0.913ct Loose Stone Sale price¥8,800

[12/9 22:00] Brazilian Lavender Quartz (Scorolite) 0.994ct Loose Stone Sale price¥8,800

[On Sale at 10 PM on December 9th] American Peridot 0.855ct Loose Stone (Lily Pad Inclusions) Sale price¥12,800

[12/9 22:00 Sale] Sinhalite from Sri Lanka 0.658ct Loose Stone Sale price¥9,800

[12/10 22:00 Sale] Pakistani Ludwigite Peridot 0.609ct Loose Stone Sale price¥6,980

[12/10 22:00 Sale] Indian Moonstone 6.1mm/0.878ct Loose Stone (Rose Cut) Sale price¥8,800

[12/12 22:00 Sale] Mali Garnet (Grossular/Andradite Garnet) 0.811ct Loose Stone from the Republic of Mali with Certificate of Authenticity Sale price¥29,800

[12/12 22:00 Sale] Mali Garnet (Grossular/Andradite Garnet) 0.741ct Loose Stone from the Republic of Mali with Certificate of Authenticity Sale price¥25,800

[12/12 22:00 Sale] Synthetic Opal 0.856ct Loose (Synthetic Water Opal) Sale price¥8,800

[12/13 22:00 Sale] Brazilian Green Tourmaline 0.821ct Loose Stone Sale price¥12,800

Bicolor Zoisite 0.581ct loose Sale price¥12,800

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

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

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

Bicolor grossular garnet 0.782ct loose Sale price¥12,800

Purple spinel 0.995ct loose stone Sale price¥15,800

[12/16 22:00 Sale] Green Sapphire 0.607ct Loose Sale price¥12,800

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

[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

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

Oregon Sunstone 0.976ct loose Sale price¥18,800

Bicolor Andesine 6mm/0.756ct loose Sale price¥12,800

Pink tourmaline 0.516ct loose Sale price¥5,980

Bicolor Andesine 6mm/0.852ct loose (color shift) Sale price¥12,800

Bicolor Andesine 6mm/0.824ct loose (color shift) Sale price¥12,800

Bicolor Andesine 6mm/0.699ct loose (color shift) Sale price¥12,800

Bicolor Andesine 6mm/0.783ct loose (color shift) Sale price¥12,800

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

Color change sapphire 0.946ct loose Sale price¥29,800

[12545123 published] Yellow Beryl 0.696ct loose Sale price¥3,980

[12/2 22:00] Tanzanian Almandine Garnet 0.930ct Loose Stone Sale price¥9,800

[11/26 22:00] Tanzanian Almandine Garnet 0.902ct Loose Stone Sale price¥12,800

[11/29 22:00 Sale] Tanzanian Almandine Garnet 0.750ct Loose Stone Sale price¥9,800

[11/26 22:00] Tanzanian Almandine Garnet 0.993ct Loose Stone Sale price¥12,800

[11/27 22:00 Sale] Indian Iolite Sunstone 0.540ct Loose Sale price¥8,800

[11/17 22:00 Sale] Oregon Sunstone from the United States, 0.530ct Loose Sale price¥15,800

Synthetic Moissanite 0.632ct loose stone (tie cut) Sale price¥3,980

Synthetic Moissanite 0.509ct loose stone (tie cut) Sale price¥3,980

[On Sale 11/23 10pm] GGG (Gadolium Gallium Garnet) 4.0mm/0.675ct Loose Stone Sale price¥8,800

[12/15 22:00 Sale] Synthetic Rutile 5.1mm/0.893ct Loose Stone Sale price¥9,800

[11/17 22:00 Sale] Sri Lankan Green Zircon 0.734ct Loose Sale price¥12,800

[11/14 22:00 Sale] Brazilian Rose Amethyst 0.793ct Loose Stone Sale price¥15,800

[11/14 22:00 Sale] [Cat Cut] Brazilian White Chalcedony 0.707ct Loose Stone Sale price¥8,800

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.