Tanzanian Kornerupine 0.132ct Loose Stone
Sale price¥9,800
Cambodian Blue Zircon 0.440ct Loose
Sale price¥9,800
Loose Oregon Sunstone from the USA, 0.318ct
Sale price¥6,980
Afghan Diaspore 0.239ct Loose
Sale price¥15,800
Mexican Fire Opal (Faceted) 4.5mm/0.218ct Loose Stone
Sale price¥14,800
Russian Demantoid Garnet (Horsetail Inclusions) 4.7mm/0.445ct Loose
Sale price¥69,800
Johachidolite from Myanmar 0.332ct loose
Sale price¥29,800
Green tourmaline 0.389ct loose
Sale price¥8,800
Bicolor Euclase from Zimbabwe 0.211ct loose
Sale price¥79,800
South African yellow diamond (makeable) 0.159ct rough stone
Sale price¥12,800
Canadian rough diamond (sawable) 0.096ct rough with trigon
Sale price¥29,800
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
Benitoite 0.091ct loose (emerald cut)
Sale price¥25,800
Rhodochrosite 0.331ct loose from Detroit City
Sale price¥25,800
Silky diamond 2.8mm/0.097ct loose
Sale price¥9,800
Tanzanian Green Zoisite 0.354ct Loose Stone
Sale price¥12,800
Green zoisite from Tanzania, 0.262 ct loose
Sale price¥9,800
Madagascar Purple Sapphire 4.2mm/0.418ct Loose
Sale price¥19,800
Unheated Vietnamese Silky Pink Sapphire 0.291ct Loose Stone
Sale price¥12,800
Sri Lankan green zircon 0.312ct loose stone
Sale price¥9,800
USA origin Peridot, 0.496 ct, 2-stone matched pair, loose
Sale price¥12,800
Tanzanian Mandarin Garnet 0.352ct Loose Stone
Sale price¥18,800
Tanzanian Canary Yellow Chrysoberyl 0.139ct Loose Stone
Sale price¥16,800
Mexican Fire Opal 0.191ct Loose (Faceted Cut)
Sale price¥12,800
Uncut Canadian diamond (sawable) 0.103ct
Sale price¥29,800
American benitoite 0.076ct loose
Sale price¥19,800
American benitoite 0.074ct loose
Sale price¥18,800
American benitoite 0.076ct loose
Sale price¥19,800
Paraiba tourmaline from Brazil 0.132ct loose (CuO:2.1%.MnO:2.2%)
Sale price¥188,000
American benitoite 0.069ct loose
Sale price¥19,800
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
Tanzanite from Tanzania 0.467ct loose stone
Sale price¥9,800
Tanzanite from Tanzania 0.436ct loose stone
Sale price¥8,800
0.257ct Unheated Silky Pink Sapphire from Vietnam
Sale price¥12,800
Sphene from Madagascar 0.498ct loose
Sale price¥6,980
American red beryl 0.143ct loose
Sale price¥15,800
American red beryl 0.208ct loose
Sale price¥22,800
Cambodian Blue Zircon 0.204ct Loose
Sale price¥3,980
Cambodian Blue Zircon 0.221ct Loose
Sale price¥3,980
Paraiba tourmaline from Mozambique 0.270ct loose
Sale price¥18,800
Diamond rough (makeable) 0.204ct rough
Sale price¥39,800
Brazilian Dumortierite in Quartz 0.382ct 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.