Brazilian Medusa Quartz (Paraiba Quartz) 1.405ct Loose Stone
Sale price¥8,800
Bicolor Benitoite 0.164ct loose stone
Sale price¥19,800
Bicolor Benitoite 0.157ct loose stone
Sale price¥22,800
Swiss Blue Topaz 0.930ct Loose
Sale price¥8,800
Sky blue topaz 1.051ct loose stone
Sale price¥9,800
Synthetic Spinel 1.668ct Loose Stone (Synthetic Blue Spinel)
Sale price¥15,800
American Red Beryl 0.109ct Loose
Sale price¥29,800
American red beryl 0.143ct loose
Sale price¥35,800
Benitoite 0.300ct loose stone (cabochon cut)
Sale price¥12,800
Benitoite 0.536ct loose stone (cabochon cut)
Sale price¥12,800
[KEN] Pink spinel from Myanmar 0.604ct loose
Sale price¥9,800
Benitoite 0.311ct loose stone (cabochon cut)
Sale price¥12,800
Mozambique Pink Sapphire 0.276ct Loose (Hot Pink Sapphire)
Sale price¥13,800
Goshenite 1.040ct loose
Sale price¥8,800
Goshenite 6.1mm/0.905ct loose stone
Sale price¥8,800
Aventurine aquamarine 1.143ct loose
Sale price¥9,800
Aventurine aquamarine 0.774ct loose
Sale price¥8,800
Aventurine aquamarine 0.720ct loose
Sale price¥6,980
Aventurine aquamarine 0.288ct loose
Sale price¥6,980
Pink spinel 0.969ct loose
Sale price¥9,800
Purple spinel 0.380ct loose
Sale price¥8,800
Purple Spinel 4.3mm/0.323ct Loose Stone
Sale price¥8,800
Violet spinel 0.301ct loose
Sale price¥9,800
Pink tourmaline 6.1mm/1.031ct loose stone
Sale price¥9,800
Bicolor tourmaline 1.198ct loose
Sale price¥14,800
Pink tourmaline 0.795ct loose
Sale price¥9,800
Pink tourmaline 0.466ct loose
Sale price¥8,800
Oregon Sunstone 0.217ct loose
Sale price¥5,980
Oregon Sunstone 0.226ct loose
Sale price¥5,980
Moss Agate 1.056ct loose
Sale price¥9,800
Moss Agate 0.771ct loose
Sale price¥6,980
Moss Agate 1.115ct loose
Sale price¥8,800
Dumortierite in quartz 0.387ct loose
Sale price¥8,800
Lepidocrocite in quartz 0.308ct loose
Sale price¥8,800
Lepidocrocite in quartz 1.087ct 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 1.096ct loose
Sale price¥9,800
Lepidocrocite in quartz 1.324ct loose
Sale price¥6,980
Lepidocrocite in quartz 0.532ct loose
Sale price¥6,980
Aquamarine 0.519ct loose
Sale price¥8,800
Tanzania Zoisite 0.278ct loose stone
Sale price¥8,800
Zoisite 0.216ct loose stone (heart shape)
Sale price¥8,800
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.