Colombian Trapiche emerald 0.611ct rough stone
Sale price¥59,800
Mexican Opal 1.666ct Loose
Sale price¥14,800
Colombian emerald 0.145ct loose stone with precious stone
Sale price¥29,800
Spanish Sphalerite 1.127ct loose stone
Sale price¥9,800
Australian black opal 0.650ct loose
Sale price¥15,800
Brazilian alexandrite 0.060ct loose
Sale price¥11,000
Brazilian alexandrite 0.061ct loose
Sale price¥12,800
Brazilian alexandrite 0.051ct loose
Sale price¥9,800
Salt and pepper diamond 0.446ct loose
Sale price¥39,800
Goshenite 6.1mm/0.905ct loose stone
Sale price¥7,980
Mozambique Pink Sapphire 0.276ct Loose (Hot Pink Sapphire)
Sale price¥9,800
[On sale May 10th, 10 PM JST] Madagascar Andalusite 2.187ct Loose Stone
Sale price¥32,800
Diamond 3.4mm/0.144ct loose stone (I, VS1, Good)
Sale price¥16,800
Pink Diamond 0.075ct Loose (Fancy Purplish PINK, SI2)
Sale price¥98,000
Diamond 0.171ct loose stone (E, VS2, radiant cut)
Sale price¥35,800
Diamond 3.0mm/0.123ct loose stone (D, VS2, octagonal cut)
Sale price¥28,800
Chameleon Diamond Green Diamond 0.122ct Loose (FANCY GRAY GREEN, SI2)
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.