Custom Cut
【Sakura Shape】Synthetic Sapphire 8.8mm/3.631ct Loose Stone
Sale price¥39,800
0.750ct Loose Nigerian Mandarin Garnet with Certification
Sale price¥22,800
0.752ct Tanzanian Golden Zircon Loose Gemstone with Certificate
Sale price¥12,800
[Posted as 12562691] Malawi Bicolor Zircon 2.082ct Loose
Sale price¥128,000
Brazil Color Change Fluorite 1.099ct Loose Stone
Sale price¥9,800
Apatite from Madagascar 0.608ct Loose Stone
Sale price¥8,800
Australian Rainbow Lattice Sunstone 0.850ct Loose Stone
Sale price¥8,800
Brazilian rose quartz 8.7mm/2.536ct loose stone
Sale price¥11,800
Australian Rainbow Lattice Sunstone 4.133ct Loose
Sale price¥28,800
Brazilian Pyrite in Quartz 5.600ct Loose Gemstone
Sale price¥9,800
2.073ct Loose Australian Rainbow Lattice Sunstone
Sale price¥15,800
Australian Rainbow Lattice Sunstone 2.902 ct Loose Stone
Sale price¥29,800
Diamond 0.229ct Loose (D, VS2, Flanders Cut)
Sale price¥39,800
Brazilian Dendritic Agate 2.788ct Loose Stone
Sale price¥6,980
Brazilian Pink Tourmaline 0.418ct Loose Stone (Rouge Cut)
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.349ct Loose
Sale price¥12,800
Synthetic Moissanite 5.8mm/0.678ct Loose Stone
Sale price¥8,800
Brazilian Green Tourmaline 0.376ct Loose Stone
Sale price¥7,980
Brazilian Green Tourmaline 0.332ct Loose Stone
Sale price¥7,980
Almandine Garnet 1.471ct Loose Stone
Sale price¥14,800
Almandine Garnet 1.388ct Loose Stone
Sale price¥11,800
Almandine Garnet 1.988ct Loose Stone
Sale price¥16,800
Almandine Garnet 1.485ct Loose Stone
Sale price¥15,800
Blue sapphire 0.287ct loose
Sale price¥12,800
Tanzanian Rhodolite Garnet 0.448ct Loose Stone
Sale price¥6,980
Tanzanian Rhodolite Garnet 0.810ct Loose Stone
Sale price¥9,800
Indian Moonstone 8mm/1.879ct Loose
Sale price¥6,980
Bolivian Ametrine 36.887ct loose stone
Sale price¥79,800
Synthetic rutile 0.942ct loose stone
Sale price¥14,800
Mexican Fire Opal 0.718ct Loose
Sale price¥9,800
Mexican Fire Opal 0.593ct Loose (Faceted Cut)
Sale price¥9,800
Nigerian bicolor tourmaline 0.379ct loose stone
Sale price¥6,980
Tanzanian green sapphire 0.303ct loose stone
Sale price¥8,800
Australian Rainbow Lattice Sunstone 1.746ct Loose Stone
Sale price¥12,800
Sky blue topaz 1.719ct loose stone
Sale price¥8,800
Brazilian Pink Tourmaline 0.862ct Loose Stone
Sale price¥12,800
Vietnam Aquamarine 0.494ct Loose Stone
Sale price¥8,800
Brazilian Blue Tourmaline 0.196ct Loose
Sale price¥6,980
Brazilian Green Tourmaline 2.218ct Loose
Sale price¥25,800
Morganite 0.379ct loose stone
Sale price¥7,980
Brazilian Imperial Topaz 0.746ct Loose
Sale price¥18,800
0.938 ct Tanzanian Almandine Garnet Loose Stone
Sale price¥12,800
Tanzanian Zircon, 3.643ct Loose Stone
Sale price¥22,800
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.