Custom Cut
Pakistani Peridot 0.410ct Loose Stone
Sale price¥6,980
Pakistani Peridot 0.376ct Loose Stone
Sale price¥6,980
American Peridot 0.546ct Loose Stone
Sale price¥5,980
American Peridot 0.339ct Loose Stone
Sale price¥6,980
Mexican fire opal (faceted cut) 0.167ct loose stone
Sale price¥8,800
Ethiopian Opal 6.6mm/0.635ct Loose
Sale price¥9,800
Tibetan Andesine 1.449ct Loose Stone
Sale price¥9,800
1.527ct Australian Prehnite Loose Stone
Sale price¥12,800
Zimbabwean sphene 0.224ct loose stone
Sale price¥6,980
Mexican Hyalite Opal 1.587ct Loose
Sale price¥9,800
0.327ct loose yellow sapphire from Madagascar
Sale price¥12,800
0.324ct loose pink sapphire from Madagascar
Sale price¥12,800
Madagascar sapphire 0.298ct loose stone
Sale price¥12,800
Madagascar sapphire 0.289ct loose stone
Sale price¥12,800
Cambodian Zircon 0.414ct Loose Stone
Sale price¥6,980
Tanzanian Brown Zircon 0.642ct Loose Stone
Sale price¥8,800
Brazilian London Blue Topaz 0.429ct Loose
Sale price¥6,980
Brazilian London Blue Topaz 0.321ct Loose Stone
Sale price¥5,980
Brazilian Green Spodumene 2.899ct Loose Stone
Sale price¥12,800
Brazilian Green Spodumene 2.433ct Loose Stone
Sale price¥18,800
Brazilian Lavender Quartz (Scorolite) 0.547ct Loose Stone
Sale price¥8,800
Brazilian Lavender Quartz (Scorolite) 0.493ct Loose Stone
Sale price¥6,980
1.139ct Australian Prehnite loose stone
Sale price¥8,800
Tanzanite from Tanzania 0.350ct loose stone
Sale price¥8,800
Tanzanite from Tanzania 0.237ct loose stone
Sale price¥8,800
Blue beryl (Macis beryl) 0.181ct loose stone
Sale price¥12,800
Mexican Fire Opal (Faceted Cut) 0.844ct Loose
Sale price¥15,800
Brazilian Green Tourmaline 3.943ct Loose Stone
Sale price¥39,800
Sri Lankan Yellow Sapphire 0.320ct Loose
Sale price¥15,800
Mexican Hyalite Opal 0.942ct Loose
Sale price¥9,800
Synthetic Alexandrite 0.460ct loose stone
Sale price¥14,800
[Takeshi Yamamoto] Brazilian Rock Crystal 12.725ct Loose
Sale price¥39,800
Colombian Euclase 1.344ct loose stone
Sale price¥26,800
Colombian Euclase 1.408ct Loose Stone
Sale price¥24,800
Colombian Euclase 0.512ct Loose Stone
Sale price¥18,800
Colombian Euclase 1.776ct loose stone
Sale price¥15,800
Brazilian Swiss Blue Topaz 1.042ct Loose Stone
Sale price¥9,800
Brazilian Swiss Blue Topaz 1.043ct Loose Stone
Sale price¥8,800
2.744ct loose Rogerley fluorite from the UK
Sale price¥8,800
Colombian fluorite 6.327ct loose stone
Sale price¥25,800
Blue sapphire 0.282ct loose stone (teal color)
Sale price¥15,800
Brazilian Green Spodumene 1.997ct Loose Stone
Sale price¥12,800
Madagascar Iolite 2.272ct loose stone
Sale price¥19,800
Orange spinel 0.225ct loose stone
Sale price¥12,800
Nigerian Morganite 2.745ct loose stone
Sale price¥12,800
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.