Oregon Sunstone 1.507ct loose
Sale price¥12,800
Sinhalite from Sri Lanka 0.649ct loose
Sale price¥8,800
Andalusite 0.487ct loose
Sale price¥7,980
Brazilian Santa Maria Aquamarine 0.158ct loose
Sale price¥6,980
Oil-in-quartz 24.653ct rough stone from Madagascar
Sale price¥9,800
[Sakura in-cut] Lavender quartz (scorolite) 8mm/ 2.161ct loose
Sale price¥19,800
Pakistani Oil in Quartz 0.443ct Loose Stone
Sale price¥6,980
Pakistani oil-in quartz 0.595ct loose
Sale price¥8,800
Pakistani Oil in Quartz 0.651ct Loose Stone
Sale price¥9,800
Violet spinel 0.472ct loose
Sale price¥9,800
Violet spinel 0.642ct loose
Sale price¥8,800
Purple spinel 0.520ct loose
Sale price¥8,800
Purple spinel 0.465ct loose
Sale price¥5,980
Cambodian blue zircon (Ratanakiri blue) 0.453ct loose
Sale price¥7,980
Cambodian blue zircon (Ratanakiri blue) 0.615ct loose
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.459ct Loose
Sale price¥12,800
Mexican Fire Opal 0.290ct Loose (Faceted Cut)
Sale price¥8,800
Enstatite from Sri Lanka 2.095ct loose Japanese-German edition
Sale price¥15,800
Colombian trapiche emerald (reverse trapiche) 0.457ct rough stone
Sale price¥36,800
Mexican Fire Opal 0.564ct Loose (Faceted Cut)
Sale price¥15,800
Mexican Fire Opal 0.472ct Loose (Star Cut, Faceted Cut)
Sale price¥9,800
Mexican Fire Opal 0.277ct Loose (Faceted Cut)
Sale price¥5,980
Tourmaline 0.731ct loose
Sale price¥6,980
Pink tourmaline 0.656ct loose
Sale price¥8,800
Myanmar Violet Spinel 0.776ct Loose
Sale price¥12,800
Lazurite in quartz from Madagascar 0.990ct loose
Sale price¥14,800
Lazurite in quartz from Madagascar 1.090ct loose
Sale price¥14,800
Lazurite in quartz from Madagascar 7.5mm/1.600ct loose
Sale price¥18,800
Spanish Andalusite 0.645ct loose stone
Sale price¥8,800
Oregon Sunstone 0.551ct loose
Sale price¥9,800
Indian alexandrite cat's eye 0.422ct loose
Sale price¥12,800
Indian alexandrite cat's eye 0.679ct loose
Sale price¥8,800
Australian Rainbow Lattice Sunstone 1.635ct Loose
Sale price¥8,800
Australian Rainbow Lattice Sunstone 1.013ct Loose
Sale price¥5,980
Australian rainbow lattice sunstone 0.609ct loose
Sale price¥5,980
Montana Sapphire 0.449ct loose (bicolor sapphire)
Sale price¥17,800
Montana sapphire 0.359ct loose (blue sapphire)
Sale price¥15,800
Montana Sapphire 0.397ct loose (bicolor sapphire)
Sale price¥15,800
Montana Sapphire 0.443ct loose (green sapphire)
Sale price¥15,800
Montana Sapphire 0.561ct loose (bicolor sapphire)
Sale price¥22,800
Montana Sapphire 0.361ct loose (yellow sapphire)
Sale price¥14,800
Montana Sapphire 0.515ct loose (bicolor sapphire)
Sale price¥19,800
Madeira citrine 0.170ct loose
Sale price¥5,980
Taaffeite from Myanmar 0.70ct loose GIT guide
Sale price¥59,800
Myanmar color change zircon 1.00ct loose (reverse color change)
Sale price¥69,800
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.