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¥10,000 - ¥30,000

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Sold out ダイヤモンド 0.096ctルース(D, SI1)
Sold out アメリカ産レッドベリル 0.208ctルース
Sold out アメリカ産レッドベリル 0.115ctルース
Sold out アメリカ産レッドベリル 0.143ctルース
Sold out ブラジル産ティンカーベルクォーツ(ピンクファイヤークォーツ) 6.004ctルース
Sold out Sri Lankan Yellow Sapphire 0.526ct Loose
Sold out Brazilian bicolor tourmaline 1.016ct loose stone
Sold out Australian black opal 0.435ct loose stone
Sold out American Peridot 0.770ct Loose Stone
Sold out Madagascar Andesine Labradorite (commonly known as Rainbow Moonstone) 0.498ct Loose Stone
Sold out Kenyan Tsavorite 0.157ct Loose Gemstone
Sold out Brazilian Indicolite Tourmaline 0.342ct Loose
Sold out Brazilian Dumortierite in Quartz 1.736ct Loose
Sold out Afghan Kunzite 5.6mm/0.897ct Loose
Sold out Loose Brazilian Medusa Quartz (Paraiba Quartz) 0.748ct
Sold out Madagascar Sapphire 4.6mm/0.472ct Loose
Sold out Grandidierite from Madagascar 0.228ct loose stone
Sold out American benitoite 0.076ct loose
Sold out Brazilian unheated pink imperial topaz (sherry pink) 0.438ct loose stone with certificate of authenticity
Sold out Loose 0.901ct Imperial Topaz from Brazil with certificate
Sold out 0.939 ct Loose Imperial Topaz from Brazil with Certificate
Sold out 0.915ct Loose Ludwigite in Peridot from Pakistan
Sold out Russian Phenakite 0.615ct Loose Stone
Sold out Mexican fire opal 0.235ct loose (facet cut)
Sold out Tanzanian Mandarin Garnet Loose Stone 0.315ct
Sold out Kunzite from Afghanistan 0.971ct loose stone
Sold out Unheated Vietnamese Silky Pink Sapphire 0.291ct Loose Stone
Sold out Madagascar Purple Sapphire 4.2mm/0.418ct Loose
Sold out Cambodian Blue Zircon (Ratanakiri Blue) 0.537ct Loose
coming soon チベット産バイカラーアンデシン 1.856ctルース
Sold out USA Oregon Sunstone 1.869ct Loose
Sold out 1.676ct loose Oregon sunstone from the United States
Sold out American Anthill Garnet 5.0mm/0.641ct Loose
Sold out Anthill garnet from the USA (with forsterite) 0.578ct loose
Sold out 0.218ct Unheated Silky Pink Sapphire from Vietnam
Sold out Canadian rough diamond (sawable) 0.099ct rough with trigon
Sold out パイライトインクォーツ 34.864ctルース
Sold out 0.628ct Pink Star Sapphire Loose Gemstone from Sri Lanka
Sold out Ruby 0.258ct loose
Sold out 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) 1.665ctルース
Sold out Mexican Fire Opal (Faceted) 4.5mm/0.218ct Loose Stone
Sold out Brazilian Dumortierite in Quartz 1.516ct Loose Gemstone
Sold out パパラチアサファイア 0.191ctルース
Sold out Tanzanite from Tanzania 0.417ct Loose Gemstone
Sold out Kenyan Tsavorite 0.347ct Loose Stone
Sold out Brazilian Rhodonite in Quartz 8.6mm/1.865ct Loose Stone
Sold out USA Oregon Sunstone 5.0mm/0.443ct Loose
Sold out U.S. Red Beryl 2.2mm/0.047ct Loose

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.