¥5,000 - ¥10,000

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Tanzanite 5mm/0.525ct loose stone

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Tanzanite 5mm/0.435ct loose stone

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Trapichel ruby from Myanmar 0.231ct rough stone

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パイロープ・スペサルティンガーネット（カラーチェンジガーネット） 0.860ctルース

Pyrope spessartine garnet (color change garnet) 0.860ct loose

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American Peridot 0.749ct Loose Stone (with Lily Pad)

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Pink sapphire from Madagascar 0.216ct loose

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Mali Garnet (Grossular/Andradite Garnet) 4.5mm/0.498ct Loose

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Illusion chrome tourmaline from Kenya 0.508ct loose

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Spinel 3 stone set 0.328ct loose

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Lapis lazuli 28mm/171.543ct loose

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マダガスカル産ベキリーブルーガーネット（カラーチェンジガーネット） 2.3mm/0.067ctルース

Bekily Blue Garnet from Madagascar (color change garnet) 2.3mm/0.067ct loose

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マダガスカル産ベキリーブルーガーネット（カラーチェンジガーネット） 2.3mm/0.065ctルース

Bekily Blue Garnet from Madagascar (color change garnet) 2.3mm/0.065ct loose

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マダガスカル産ベキリーブルーガーネット（カラーチェンジガーネット） 2.6mm/0.090ctルース

Bekily Blue Garnet from Madagascar (color change garnet) 2.6mm/0.090ct loose

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Zimbabwean rough diamond (sawable) 0.054ct rough stone

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Sea blue chalcedony 5.627ct loose

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Bloodshot Iolite Sunstone 1.150ct Loose

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Lauren Thomasite 0.092ct loose

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Ruby from Greenland 0.365ct loose with certificate

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Ruby from Greenland 0.337ct Ruth certificate included

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Tagtupite from Greenland 0.13ct loose

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Star garnet 11.460ct loose (6 rows)

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Bekily Blue Garnet (Color Change Garnet) 0.171ct Loose Needle

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【KEN氏】カラーチェンジサファイア 0.570ctルース - カラッツSTORE

Color change sapphire 0.570ct loose stone

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[Star cherry cut] Sky blue blue topaz 4.919ct loose

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[Konpeito] Chrysoprase 2.460ct loose

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Apatite 1.040ct loose (briolette cut)

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[Sakura Incut] Andesine Labradorite (commonly known as Rainbow Moonstone) 6mm loose

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Topaz 1.770ct loose Japanese-German appraisal

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Sliced diamond 0.190ct loose (Trapiche diamond)

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Tourmaline cat's eye 1.090ct loose

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バイカラーサファイア 0.184ctルース - KARATZ STORE｜カラッツSTORE

Bicolor sapphire 0.184ct loose

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アイオライトサンストーン 0.588ctルース - KARATZ STORE｜カラッツSTORE

Yellow diamond 0.055ct loose (FANCY DEEP ORANGY YELLOW, I1)

coming soon

【9/12 22時販売】《限定7石》ロシア産ノンオイルエメラルド1石ルース(1.5-1.6ｍｍ,ステップカット)《複数購入割引有》 Sale price¥5,980

coming soon

【10/12 22時販売】《限定10石》ブルー石ガチャ（ブラジル産パライバトルマリン0.088ct、ジンバブエ産ユークレース、コバルトガーナイト）《複数購入割引有》 Sale price¥7,980

coming soon

[10/12 22:00 Sale] Sri Lankan Star Sapphire 1.093ct Loose 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.