Royal Blue Sapphire 0.730ct Loose AIGS
Sale price¥158,000
Brazilian Paraiba tourmaline in quartz 0.871ct loose
Sale price¥18,800
Brazilian Imperial Topaz 0.826ct Loose
Sale price¥19,800
Brazilian Imperial Topaz 0.746ct Loose
Sale price¥18,800
Mica in Quartz 0.980ct Loose
Sale price¥6,980
Mica in Quartz 0.864ct Loose Stone
Sale price¥6,980
Mica in Quartz 0.834ct Loose Stone
Sale price¥6,980
Mica in Quartz 0.760ct Loose
Sale price¥6,980
Mica in Quartz 0.588ct Loose Stone
Sale price¥6,980
Mica in Quartz 0.544ct Loose Stone
Sale price¥6,980
Mexican egg-in-opal 0.865ct loose stone
Sale price¥14,800
Mexican egg-in-opal 0.672ct loose stone
Sale price¥12,800
Mexican egg-in-opal 0.627ct loose stone
Sale price¥8,800
Tanzanian Kornerupine Cat's Eye 0.986ct Loose Stone
Sale price¥6,980
Tanzanite 5mm/0.580ct loose stone (sugarloaf cut)
Sale price¥9,800
Aquamarine 0.568ct loose stone
Sale price¥6,980
Sky blue topaz 0.563ct loose stone
Sale price¥5,980
Brazilian imperial topaz 0.830ct loose
Sale price¥19,800
Bicolor tourmaline 0.552ct loose
Sale price¥12,800
Bicolor tourmaline 0.548ct loose
Sale price¥6,980
Lepidocrocite in Quartz 0.768ct Loose
Sale price¥8,800
Moss agate 0.795ct loose stone
Sale price¥7,980
Moss agate 0.720ct loose stone
Sale price¥7,980
Synthetic Moissanite 0.970ct Loose Stone (Blue Moissanite)
Sale price¥16,800
Dumortierite in quartz 0.931ct loose
Sale price¥15,800
Green tourmaline 0.637ct loose
Sale price¥8,800
Swiss Blue Topaz 0.930ct Loose
Sale price¥8,800
Benitoite 0.536ct loose stone (cabochon cut)
Sale price¥12,800
[KEN] Pink spinel from Myanmar 0.604ct loose
Sale price¥9,800
Goshenite 6.1mm/0.905ct loose stone
Sale price¥8,800
Aventurine aquamarine 0.774ct loose
Sale price¥8,800
Aventurine aquamarine 0.720ct loose
Sale price¥6,980
Pink spinel 0.969ct loose
Sale price¥9,800
Pink tourmaline 0.795ct loose
Sale price¥9,800
Moss Agate 0.771ct loose
Sale price¥6,980
Lepidocrocite in quartz 0.770ct loose
Sale price¥6,980
Lepidocrocite in quartz 0.782ct loose
Sale price¥6,980
Lepidocrocite in quartz 0.532ct loose
Sale price¥6,980
Aquamarine 0.519ct loose
Sale price¥8,800
Pink tourmaline 0.819ct loose
Sale price¥15,800
Pink tourmaline 0.539ct loose stone (heart shape)
Sale price¥12,800
Bicolor Tourmaline 0.792ct Loose (Heart Shape)
Sale price¥9,800
Blue Garnite from Nigeria 0.514ct Ruth Japanese-German Edition
Sale price¥59,800
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.