Rhodochrosite 1.884ct loose from Detroit City, USA
Sale price¥188,000
Parasite Peridot (Paracytic Peridot) 0.541ct Loose Japanese-German Edition
Sale price¥256,000
Colombian pyrite in emerald 7.836ct loose
Sale price¥398,000
Brazilian Paraiba Tourmaline Ring and Half Eternity Ring Set (1.2mm)
Sale price¥188,000
[On Sale at 10pm on October 5th] Brazilian Aquamarine 8.858ct Loose Stone
Sale price¥198,000
[Posted 12543723] Hemimorphite 64.144ct loose
Sale price¥198,000
Brazilian Paraiba tourmaline 0.275ct loose (CuO:1.5%.MnO:2.3%)
Sale price¥358,000
Royal blue sapphire 1.44ct loose GIA
Sale price¥188,000
Brazilian particolor Paraiba tourmaline 0.26ct loose GIA
Sale price¥598,000
Bicolor pink euclase from Brazil 3.210ct loose Japanese-German edition
Sale price¥798,000
Paracytic peridot 0.536ct loose
Sale price¥188,000
Watermelon tourmaline 44.201ct Ruth Japanese-German book
Sale price¥398,000
Paudlettite 0.375ct loose Japanese-German book
Sale price¥298,000
Particolor tourmaline 32.207ct loose (tricolor tourmaline)
Sale price¥398,000
Russian demantoid garnet (horsetail recognized) 5.8mm/0.876ct loose
Sale price¥258,000
Russian demantoid garnet (horsetail recognized) 5.3mm/0.633ct loose
Sale price¥198,000
Emerald 15.219ct loose Japanese-German book
Sale price¥298,000
Bicolor Sphene 4.50ct loose
Sale price¥258,000
Colombian Euclase 548.00ct rough stone
Sale price¥198,000
Kunzite 50.260ct loose
Sale price¥188,000
Russian demantoid garnet (horsetail recognized) 5.2mm/0.633ct loose
Sale price¥198,000
Unheated sapphire 2.430ct loose GIA
Sale price¥298,000
Tanzanite 41.690ct loose
Sale price¥2,480,000
Bicolor Benitoite 0.624ct Loose Japanese-German Edition
Sale price¥188,000
Royal blue sapphire 1.220ct loose stone
Sale price¥298,000
Russian oil-free emerald 0.570ct loose stone GIA
Sale price¥298,000
Brazilian Unheated Bicolor Paraiba Tourmaline 0.105ct Loose GIA
Sale price¥198,000
Royal Blue Sapphire 2.220ct Loose Stone AIGS
Sale price¥458,000
Phosphophyllite rough stone (59.5 x 35.9 x 36 mm)
Sale price¥298,000
Brazilian bicolor tourmaline 13.927ct loose stone
Sale price¥198,000
Indonesian Parasitic Peridot Cat's Eye 0.797ct Loose Stone
Sale price¥268,000
Myanmar Musgravite 0.351ct Loose Stone Japan-Germany
Sale price¥188,000
Brazilian cat's eye emerald 4.070ct loose stone
Sale price¥198,000
Myanmar Musgravite 0.214ct Loose Stone Nikko Kan
Sale price¥258,000
Burmese Ruby 3.725ct Loose GIA & Chuho
Sale price¥198,000
Brazilian Pink Euclase 1.259ct Loose Stone Japan-Germany
Sale price¥3,980,000
Brazilian Bicolor Tourmaline 4.554ct Ruth Japanese-German Edition
Sale price¥298,000
Russian Demantoid Garnet (Horsetail Recognized) 5.1mm/0.664ct Loose Stone
Sale price¥188,000
Euclase from Colombia 5.223ct Ruth Japanese German edition
Sale price¥198,000
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.