American Peridot 4.5mm/0.370ct Loose Stone
Sale price¥8,800
Tanzanian Kornerupine 0.219ct Loose Stone
Sale price¥29,800
Tanzanian Kornerupine 0.084ct Loose Stone
Sale price¥22,800
Tanzanian Zircon 4.138ct Loose Stone
Sale price¥39,800
Cambodian Zircon 0.414ct Loose Stone
Sale price¥6,980
Tanzanian Zircon 1.035ct Loose Stone
Sale price¥9,800
Tanzanian Green Zircon 0.364ct Loose Stone
Sale price¥6,980
Tanzanian Brown Zircon 0.642ct Loose Stone
Sale price¥8,800
Cambodian Blue Zircon (Ratanakiri Blue) 2.607ct Loose Stone
Sale price¥59,800
Cambodian Blue Zircon (Ratanakiri Blue) 0.484ct Loose Stone
Sale price¥12,800
Brazilian London Blue Topaz 0.429ct Loose
Sale price¥6,980
Brazilian London Blue Topaz 0.321ct Loose Stone
Sale price¥5,980
Brazilian Aquamarine 0.259ct Loose Stone
Sale price¥6,980
Brazilian Green Spodumene 2.899ct Loose Stone
Sale price¥12,800
Brazilian Green Spodumene 2.433ct Loose Stone
Sale price¥18,800
Brazilian Green Spodumene 2.710ct Loose Stone
Sale price¥18,800
Brazilian Green Spodumene 1.918ct Loose Stone
Sale price¥9,800
[E33 Shinjuku] Brazilian Lavender Quartz (Scorolite) 1.851ct Loose Stone
Sale price¥12,800
Brazilian Lavender Quartz (Scorolite) 0.547ct Loose Stone
Sale price¥8,800
Brazilian Lavender Quartz (Scorolite) 0.493ct Loose Stone
Sale price¥6,980
Mongolian Andesine 0.822ct Loose Stone
Sale price¥9,800
Sri Lankan star sapphire 2.062ct loose
Sale price¥12,800
1.139ct Australian Prehnite loose stone
Sale price¥8,800
Tanzanian Kornerupine Cat's Eye 0.816ct Loose Stone
Sale price¥6,980
Mexican cantera opal 8.454ct loose
Sale price¥3,980
Cambodian Blue Zircon 0.521ct Loose Stone
Sale price¥5,980
Nigerian green beryl 0.437ct loose stone
Sale price¥9,800
Zimbabwean Euclase 0.580ct Rough Stone
Sale price¥34,800
Brazilian Paraiba tourmaline 181.342ct raw stone
Sale price¥9,800
Paraiba tourmaline 233.409ct raw stone from Brazil
Sale price¥12,800
Myanmar pink spinel 0.294ct loose stone
Sale price¥6,980
Green tourmaline 0.305ct loose stone
Sale price¥3,980
Pink tourmaline 0.915ct loose
Sale price¥7,980
Colorless zircon 1.831ct loose
Sale price¥12,800
Colombian trapiche emerald (reverse trapiche) 0.101ct rough stone
Sale price¥12,800
Pink tourmaline 0.506ct loose
Sale price¥5,980
Pink tourmaline 0.553ct loose
Sale price¥6,980
Pink tourmaline 1.011ct loose
Sale price¥8,800
Pink tourmaline 0.734ct loose
Sale price¥7,980
Bicolor tourmaline 1.440ct loose
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.