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
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
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
Bicolor Tourmaline 0.649ct Loose Stone, Japan-Germany
Sale price¥9,800
Scapolite 0.587ct loose stone from Japan and Germany
Sale price¥8,800
Australian rainbow lattice sunstone 0.587ct loose
Sale price¥6,980
American Herkimer Diamond (Rock Crystal) 5.5mm/0.534ct Loose
Sale price¥8,800
American Herkimer Diamond (Rock Crystal) 5.3mm/0.594ct Loose
Sale price¥8,800
Tanzanian Kornerupine Cat's Eye 0.866ct Loose Stone
Sale price¥5,980
Tanzanian Kornerupine Cat's Eye 0.725ct Loose Stone
Sale price¥4,980
Brazilian Paraiba tourmaline in quartz 0.819ct loose
Sale price¥15,800
Australian Rainbow Lattice Sunstone 0.865ct Loose
Sale price¥6,980
Pink spinel 5.2mm/0.517ct loose stone
Sale price¥6,980
Pink spinel 5.2mm/0.573ct loose stone
Sale price¥6,580
Montana Sapphire 0.515ct loose (bicolor sapphire)
Sale price¥19,800
Oregon Sunstone 0.551ct loose
Sale price¥9,800
Lazurite in quartz from Madagascar 0.990ct loose
Sale price¥14,800
Myanmar Violet Spinel 0.776ct Loose
Sale price¥12,800
Pink tourmaline 0.656ct loose
Sale price¥8,800
Tourmaline 0.731ct loose
Sale price¥6,980
Mexican Fire Opal 0.564ct Loose (Faceted Cut)
Sale price¥15,800
Cambodian blue zircon (Ratanakiri blue) 0.615ct loose
Sale price¥8,800
Purple spinel 0.520ct loose
Sale price¥8,800
Violet spinel 0.642ct loose
Sale price¥8,800
Pakistani Oil in Quartz 0.651ct Loose Stone
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.