Watermelon tourmaline 3.403ct loose
Sale price¥5,980
Watermelon tourmaline 3.250ct loose
Sale price¥5,980
Purple Spinel 4.8mm/0.422ct Loose Stone
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
Pink spinel 4.3mm/0.342ct loose
Sale price¥6,980
Pink spinel 3.8mm/0.192ct loose
Sale price¥5,980
Montana Sapphire 0.235ct loose (yellow sapphire)
Sale price¥8,800
Montana Sapphire 0.259ct loose (bicolor sapphire)
Sale price¥9,800
Montana Sapphire 0.304ct loose (yellow sapphire)
Sale price¥9,800
Montana Sapphire 0.290ct loose (yellow sapphire)
Sale price¥9,800
Auinite 2.3mm/0.060ct loose
Sale price¥7,980
Auinite 2.6mm/0.084ct loose
Sale price¥9,800
Auinite 2.4mm/0.064ct loose
Sale price¥9,800
Montana Sapphire 0.242ct Loose (Yellow Sapphire)
Sale price¥8,800
Madeira citrine 0.170ct loose
Sale price¥5,980
Australian rainbow lattice sunstone 0.609ct loose
Sale price¥5,980
Australian Rainbow Lattice Sunstone 1.013ct Loose
Sale price¥5,980
Australian Rainbow Lattice Sunstone 1.635ct Loose
Sale price¥8,800
Indian alexandrite cat's eye 0.679ct loose
Sale price¥8,800
Oregon Sunstone 0.551ct loose
Sale price¥9,800
Spanish Andalusite 0.645ct loose stone
Sale price¥8,800
Pink tourmaline 0.656ct loose
Sale price¥8,800
Tourmaline 0.731ct loose
Sale price¥6,980
Mexican Fire Opal 0.277ct Loose (Faceted Cut)
Sale price¥5,980
Mexican Fire Opal 0.472ct Loose (Star Cut, Faceted Cut)
Sale price¥9,800
Mexican Fire Opal 0.290ct Loose (Faceted Cut)
Sale price¥8,800
Cambodian blue zircon (Ratanakiri blue) 0.615ct loose
Sale price¥8,800
Cambodian blue zircon (Ratanakiri blue) 0.453ct loose
Sale price¥7,980
Purple spinel 0.465ct loose
Sale price¥5,980
Purple spinel 0.520ct loose
Sale price¥8,800
Violet spinel 0.642ct loose
Sale price¥8,800
Violet spinel 0.472ct loose
Sale price¥9,800
Pakistani Oil in Quartz 0.651ct Loose Stone
Sale price¥9,800
Pakistani oil-in quartz 0.595ct loose
Sale price¥8,800
Pakistani Oil in Quartz 0.443ct Loose Stone
Sale price¥6,980
Pakistani oil-in quartz 0.427ct loose (type with moving bubbles)
Sale price¥9,800
Oil-in-quartz 24.653ct rough stone from Madagascar
Sale price¥9,800
Brazilian Santa Maria Aquamarine 0.158ct loose
Sale price¥6,980
Andalusite 0.487ct loose
Sale price¥7,980
Sinhalite from Sri Lanka 0.649ct loose
Sale price¥8,800
Oregon Sunstone 0.846ct loose
Sale price¥9,800
Oregon Sunstone 0.852ct loose
Sale price¥8,800
Lepidocrocite in quartz 0.797ct loose
Sale price¥6,980
Pink amethyst 3.496ct loose
Sale price¥6,980
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.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
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.