Yellow diamond 0.188ct loose (FANCY INTENSE YELLOW, VS1)
Sale price¥47,800
Colombian oil-free emerald 0.220ct loose GIA
Sale price¥248,000
Mexican Fire Opal 0.277ct Loose (Faceted Cut)
Sale price¥5,980
Mexican Fire Opal 0.472ct Loose (Star Cut, Faceted Cut)
Sale price¥8,800
Colombian trapiche emerald (reverse trapiche) 0.457ct rough stone
Sale price¥25,800
Cambodian blue zircon (Ratanakiri blue) 0.453ct loose
Sale price¥6,980
Pakistani Oil in Quartz 0.443ct Loose Stone
Sale price¥5,980
Green tourmaline 0.388ct loose
Sale price¥8,800
Green tourmaline 0.389ct loose
Sale price¥8,800
Cornell pin from Tanzania 0.246ct loose
Sale price¥39,800
Tanzanian Kornerupine 0.277ct loose stone
Sale price¥29,800
Bicolor Euclase from Zimbabwe 0.211ct loose
Sale price¥79,800
South African yellow diamond (makeable) 0.159ct rough stone
Sale price¥12,800
Bekily Blue Garnet from Madagascar (color change garnet) 0.297ct loose
Sale price¥19,800
Unheated silky pink sapphire from Vietnam 0.202ct loose
Sale price¥6,980
Bicolor Euclase from Zimbabwe 0.375ct Ruth Japanese-German Edition
Sale price¥98,000
Rhodochrosite 0.331ct loose from Detroit City
Sale price¥25,800
Chrysoberyl cat's eye from Sri Lanka 0.340ct loose
Sale price¥9,800
Bicolor Benitoite 0.130ct loose (emerald cut)
Sale price¥65,800
Paraiba tourmaline from Brazil 0.132ct loose (CuO:2.1%.MnO:2.2%)
Sale price¥188,000
South African yellow diamond (makeable) 0.202ct rough stone
Sale price¥15,800
South African gray diamond (makeable) 0.169ct rough stone
Sale price¥14,800
Mangano tantalite from Afghanistan 0.233ct loose
Sale price¥39,800
Sphene from Madagascar 0.498ct loose
Sale price¥6,980
American red beryl 0.208ct loose
Sale price¥22,800
American red beryl 0.141ct loose
Sale price¥14,800
Cambodian Blue Zircon 0.205ct Loose
Sale price¥3,980
Cambodian Blue Zircon 0.204ct Loose
Sale price¥3,980
Cambodian Blue Zircon 0.221ct Loose
Sale price¥3,980
Paraiba tourmaline from Brazil 0.243ct loose
Sale price¥14,800
Paraiba tourmaline from Mozambique 0.270ct loose
Sale price¥18,800
American benitoite 0.101ct loose
Sale price¥25,800
American benitoite 0.127ct loose
Sale price¥28,800
American benitoite 0.102ct loose
Sale price¥22,800
American benitoite 0.187ct loose
Sale price¥39,800
Mint green sapphire 0.348ct loose
Sale price¥9,800
Mint color tourmaline 0.198ct loose
Sale price¥4,980
Mint color tourmaline 0.229ct loose
Sale price¥4,980
Pink tourmaline 0.205ct loose
Sale price¥4,980
Bicolor sapphire from Madagascar 0.252ct loose
Sale price¥9,800
Bicolor sapphire from Madagascar 0.265ct loose
Sale price¥16,800
Bicolor sapphire from Madagascar 0.198ct loose
Sale price¥7,980
Unheated silky pink sapphire from Vietnam 0.247ct loose
Sale price¥8,800
Red beryl 0.104ct loose
Sale price¥29,800
White topaz 16.06ct loose
Sale price¥25,800
Dioptase from Namibia 3.1mm/0.132ct loose Japanese-German edition
Sale price¥55,800
Blue zircon 0.397ct loose stone
Sale price¥6,980
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.