Red beryl 0.187ct loose
Sale price¥29,800
White sapphire 0.464ct loose
Sale price¥9,800
White sapphire 0.418ct loose
Sale price¥12,800
Yellow sapphire 0.385ct loose
Sale price¥9,800
White sapphire 0.364ct loose
Sale price¥9,800
White sapphire 0.271ct loose
Sale price¥7,980
White sapphire 0.212ct loose
Sale price¥6,980
White sapphire 4.5mm/0.462ct loose
Sale price¥9,800
White sapphire 4.5mm/0.414ct loose
Sale price¥12,800
Sweet Home rhodochrosite 2 stone set 2.6mm/0.228ct loose
Sale price¥9,800
[Posted 12532932] Alexandrite 0.138ct loose
Sale price¥18,800
Red beryl 0.166ct loose
Sale price¥49,800
Synthetic Moissanite 0.358ct loose stone
Sale price¥3,980
Synthetic Moissanite 0.491ct loose stone
Sale price¥4,980
South African green diamond rough (makeable) 0.298ct loose
Sale price¥69,800
Paraiba tourmaline from Brazil 0.252ct loose (CuO:0.9%, MnO:2.0%)
Sale price¥29,800
Synthetic moissanite 0.245ct loose (shield cut)
Sale price¥6,980
Paraiba tourmaline from Brazil 0.265ct loose (CuO:0.7%, MnO:3.0%)
Sale price¥29,800
Brazilian rainbow scapolite 3mm/0.133ct loose (rose cut)
Sale price¥3,980
Andalusite from Sri Lanka 0.408ct loose
Sale price¥3,980
Andalusite from Sri Lanka 0.361ct loose
Sale price¥3,980
Brazilian Paraiba tourmaline 0.229ct loose (CuO:0.8%, MnO:2.2%)
Sale price¥39,800
Ice ruby (pink sapphire) from Greenland 0.416ct loose with certificate
Sale price¥18,800
Ruby from Greenland 0.268ct loose with certificate
Sale price¥18,800
Myanmar pink spinel 0.325ct loose stone
Sale price¥6,980
Myanmar Purple Spinel 0.312ct Loose Stone
Sale price¥3,980
Colombian trapiche emerald (reverse trapiche) 0.107ct rough stone
Sale price¥9,800
Myanmar pink spinel 0.294ct loose stone
Sale price¥6,980
Green tourmaline 0.305ct loose stone
Sale price¥3,980
Colombian trapiche emerald (reverse trapiche) 0.101ct rough stone
Sale price¥12,800
Cambodian blue zircon 0.232ct loose stone
Sale price¥4,980
Russian demantoid garnet (horsetail recognized) 4.5mm/0.423ct loose
Sale price¥69,800
Russian demantoid garnet (horsetail recognized) 2.9mm/0.165ct loose
Sale price¥24,800
Russian demantoid garnet (horsetail recognized) 2.8mm/0.187ct loose
Sale price¥18,800
American Benitoite 0.100ct Loose Stone (Emerald Cut)
Sale price¥32,800
Zimbabwe bicolor euclase 0.385ct loose stone
Sale price¥98,000
Ruby from Greenland 0.421ct loose with certificate
Sale price¥18,800
Madagascar Apatite 0.371ct Loose Stone
Sale price¥2,980
Colombian Trapiche Emerald (Reverse Trapiche) 4.3mm/0.329ct Rough Stone
Sale price¥29,800
Brazilian Rainbow Scapolite 3mm/0.120ct Loose Stone
Sale price¥3,980
Ruby from Greenland 0.307ct loose with certificate
Sale price¥15,800
Mexican Fire Opal 5mm/0.342ct Loose (Contralus Opal)
Sale price¥9,800
Tibetan Andesine 4.2mm/0.257ct Loose Stone
Sale price¥2,980
Tibetan Andesine 4.5mm/0.289ct Loose Stone
Sale price¥2,980
Madagascar Grandidierite 0.156ct loose stone
Sale price¥35,800
Spanish Andalusite 4mm/0.204ct loose stone (rose cut)
Sale price¥4,980
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.