Colombian Trapiche Emerald 0.422ct Loose
Sale price¥18,800
Bicolor Zoisite 0.823ct rough stone
Sale price¥6,980
Bicolor Tanzanite 1.677ct rough stone
Sale price¥7,980
Colombian emerald 0.153ct rough stone
Sale price¥6,980
Colombian emerald 0.499ct rough stone
Sale price¥14,800
Colombian emerald 0.443ct rough stone
Sale price¥8,800
Mica in Quartz 0.865ct Loose Stone
Sale price¥5,980
Mica in Quartz 0.736ct loose stone
Sale price¥5,980
Mica in Quartz 0.710ct Loose
Sale price¥5,980
【4/25 22時販売】タンザニア産コーネルピン 0.700ctルース
Sale price¥9,800
【4/25 22時販売】パキスタン産ヴェイリネナイト 0.168ctルース
Sale price¥35,800
【4/25 22時販売】パキスタン産ヴェイリネナイト 0.146ctルース
Sale price¥39,800
【4/29 22時販売】ブラジル産非加熱インペリアルトパーズ（シェリーカラー） 0.314ctルース
Sale price¥22,800
【4/26 22時販売】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） 0.257ctルース
Sale price¥25,800
【4/29 22時販売】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） 0.188ctルース
Sale price¥18,800
【4/29 22時販売】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） 0.254ctルース
Sale price¥25,800
【4/29 22時販売】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） 0.186ctルース
Sale price¥18,800
Mica in Quartz 0.594ct loose stone
Sale price¥5,980
Oregon Sunstone 0.272ct Loose
Sale price¥6,980
Brazilian Paraiba Tourmaline 0.216ct loose stone (CuO:1.2%, MnO:2.7%)
Sale price¥59,800
Benitoite 0.231ct loose
Sale price¥220,000
Benitoite 0.286ct loose
Sale price¥258,000
Benitoite 0.272ct loose stone (emerald cut)
Sale price¥248,000
Oregon Sunstone 0.575ct loose
Sale price¥9,800
Lavender quartz (scorolite) 1.130ct loose stone
Sale price¥5,980
Sunstone (Illusion Sunstone) 0.553ct Loose
Sale price¥7,980
South African Sugilite 7.3mm/1.034ct loose stone
Sale price¥14,800
South African Sugilite 0.814ct loose stone
Sale price¥12,800
Rhodochrosite from Detroit City, USA 3.1mm/0.154ct loose stone
Sale price¥19,800
Rhodochrosite from Detroit City, USA 3.2mm/0.150ct loose stone
Sale price¥19,800
Yellow sapphire 0.229ct loose stone
Sale price¥8,800
Sapphire 0.461ct loose stone
Sale price¥12,800
Andalusite 0.672ct loose
Sale price¥8,800
Spanish Andalusite 0.440ct loose stone
Sale price¥6,980
Spanish Andalusite 0.435ct loose stone
Sale price¥6,980
Vietnam unheated silky pink sapphire 0.580ct loose stone
Sale price¥12,800
Colombian emerald 0.345ct loose stone (silky type)
Sale price¥15,800
Bicolor Fluorite 0.909ct Loose
Sale price¥6,980
Bicolor Fluorite 0.582ct Loose
Sale price¥5,980
Ethiopian Opal 1.694ct Loose
Sale price¥7,980
Brazilian Imperial Topaz 0.413ct Loose Stone
Sale price¥9,800
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.
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.