Australian rainbow lattice sunstone 0.354ct loose
Sale price¥4,980
Australian rainbow lattice sunstone 0.378ct loose
Sale price¥3,980
Yellow sapphire 0.294ct loose
Sale price¥8,800
Yellow sapphire 0.464ct loose
Sale price¥9,800
American red beryl 0.184ct loose
Sale price¥39,800
Cambodian blue zircon 0.258ct loose
Sale price¥6,980
Cambodian blue zircon 0.197ct loose
Sale price¥5,980
Cambodian blue zircon 0.217ct loose
Sale price¥6,980
Cambodian blue zircon 0.267ct loose
Sale price¥6,980
Cornelpine from Tanzania 0.331ct loose
Sale price¥22,800
Tanzanian Kornerupine 3.4mm/0.185ct Loose Stone
Sale price¥9,800
Madeira citrine 0.170ct loose
Sale price¥5,980
Montana Sapphire 0.397ct loose (bicolor sapphire)
Sale price¥12,800
Paraiba tourmaline from Mozambique 0.240ct loose
Sale price¥29,800
Paraiba tourmaline from Mozambique 0.414ct loose
Sale price¥45,800
Paraiba tourmaline from Mozambique 0.246ct loose
Sale price¥35,800
Bicolor Zircon 0.468ct Ruth Japanese-German Dictionary
Sale price¥25,800
Yellow diamond 0.291ct loose (FANCY INTENSE ORANGY YELLOW, SI2)
Sale price¥59,800
Yellow diamond 0.153ct loose (FANCY INTENSE YELLOW ORANGE, SI1)
Sale price¥35,800
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 0.264ct loose stone
Sale price¥29,800
Tanzanian Kornerupine 0.277ct loose stone
Sale price¥29,800
Tanzanian Kornerupine 0.272ct loose stone
Sale price¥18,800
Bicolor Euclase from Zimbabwe 0.211ct loose
Sale price¥79,800
Paraiba tourmaline from Brazil 0.117ct loose
Sale price¥39,800
South African yellow diamond (makeable) 0.159ct rough stone
Sale price¥12,800
Brazilian Lazurite (Celestite) 0.281ct Ruth Japanese-German Edition
Sale price¥118,000
Bekily Blue Garnet from Madagascar (color change garnet) 0.297ct loose
Sale price¥19,800
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
Brazilian indicolite tourmaline 0.386ct loose stone
Sale price¥9,800
Chrysoberyl cat's eye from Sri Lanka 0.340ct loose
Sale price¥9,800
American Benitoite 0.123ct Loose Stone (Emerald Cut)
Sale price¥39,800
American Benitoite 0.107ct Loose Stone (Emerald Cut)
Sale price¥35,800
American Benitoite 0.104ct Loose Stone (Emerald Cut)
Sale price¥29,800
Bicolor Benitoite 0.130ct loose (emerald cut)
Sale price¥65,800
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
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.