Brazilian Elestial Amethyst 0.673ct Loose Stone
Sale price¥9,800
Brazilian Elestial Amethyst 0.482ct Loose Stone
Sale price¥4,980
Brazilian Elestial Amethyst 0.850ct Loose Stone
Sale price¥8,800
Brazilian Elestial Amethyst 1.008ct Loose Stone
Sale price¥8,800
Brazilian Elestial Amethyst 0.724ct Loose Stone
Sale price¥6,980
Brazilian Elestial Amethyst 3.093ct Loose Stone
Sale price¥19,800
Colombian mint-colored emerald 0.214ct loose stone
Sale price¥8,800
Zambian emerald 0.159ct loose stone
Sale price¥8,800
Zambian emerald 0.135ct loose stone
Sale price¥8,800
Brazilian pink tourmaline 0.234ct loose stone
Sale price¥8,800
Congo Pink Tourmaline 6.0mm/0.825ct Loose Stone
Sale price¥29,800
Congo Pink Tourmaline 5.9mm/0.798ct Loose Stone
Sale price¥25,800
Congo Pink Tourmaline 5.0mm/0.463ct Loose Stone
Sale price¥24,800
Brazilian blue tourmaline 0.353ct loose
Sale price¥9,800
Brazilian mint color tourmaline 0.145ct loose stone
Sale price¥8,800
Brazilian green tourmaline 0.194ct loose stone
Sale price¥12,800
Brazilian green tourmaline 0.755ct loose stone
Sale price¥18,800
Brazilian green tourmaline 0.374ct loose stone
Sale price¥9,800
Brazilian Elestial Amethyst 2.353ct Loose Stone
Sale price¥15,800
Brazilian Elestial Amethyst 7.6mm/1.461ct Loose Stone
Sale price¥9,800
0.610ct loose blue apatite from Madagascar
Sale price¥9,800
Brazilian Dumortierite in Quartz 1.911ct Loose Stone
Sale price¥8,800
[E33 Shinjuku] Brazilian Dumortierite in Quartz 1.451ct Loose Stone
Sale price¥8,800
Brazilian Dumortierite in Quartz 0.978ct Loose Stone
Sale price¥12,800
Mozambique pink sapphire 0.169ct loose stone
Sale price¥6,980
0.145ct loose pink sapphire from Madagascar
Sale price¥6,980
Pink sapphire 0.179ct loose stone
Sale price¥6,980
Pink sapphire 0.115ct loose stone
Sale price¥6,980
0.417ct loose blue sapphire from Madagascar
Sale price¥9,800
0.374ct loose blue sapphire from Madagascar
Sale price¥9,800
[E33 Shinjuku] Blue sapphire 0.295ct loose stone
Sale price¥7,980
0.333ct loose sapphire
Sale price¥8,800
[E33 Shinjuku] 0.266ct loose blue sapphire from Madagascar
Sale price¥8,800
0.170ct loose blue sapphire from Madagascar
Sale price¥8,800
0.162ct loose blue sapphire from Madagascar
Sale price¥9,800
[E33 Shinjuku] Peridot 3.309ct loose stone
Sale price¥18,800
[E33 Shinjuku] Brazilian Morganite 1.266ct Loose Stone
Sale price¥29,800
[E33 Shinjuku] Brazilian Bicolor Imperial Topaz 0.981ct Loose
Sale price¥79,800
Namibian Jeremejevite 0.245ct loose stone
Sale price¥79,800
Russian Demantoid Garnet (Horsetail) 0.100ct Loose
Sale price¥14,800
Russian Demantoid Garnet (Horsetail) 0.115ct Loose Stone
Sale price¥18,800
Russian emerald 0.249ct loose stone
Sale price¥158,000
Russian emerald 0.269ct loose stone
Sale price¥79,800
Brazilian mint-colored emerald 0.945ct loose stone
Sale price¥25,800
[E33 Shinjuku] Brazilian Alexandrite 0.326ct Loose Stone
Sale price¥79,800
Dumortierite in quartz 4.110ct loose
Sale price¥18,800
Oregon Sunstone 2.120ct loose
Sale price¥25,800
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.