Italian leucite 0.130ct loose
Sale price¥8,800
Sri Lankan white sapphire 2.9mm/0.086ct loose (rose cut)
Sale price¥3,980
Color change garnet from Madagascar 0.855ct loose
Sale price¥9,800
Color change garnet from Madagascar 0.648ct loose
Sale price¥8,800
Benitoite 0.095ct loose
Sale price¥18,800
Brazilian pink imperial topaz 0.322ct loose
Sale price¥12,800
Sphene from Madagascar 0.711ct loose
Sale price¥19,800
Sphene from Madagascar 0.765ct loose
Sale price¥15,800
Hauinite 0.074ct loose
Sale price¥19,800
American Anthill Garnet (Chrome Pyrope Garnet) 5mm/0.540ct Loose
Sale price¥22,800
Brazilian Paraiba tourmaline 0.275ct loose (CuO:1.5%.MnO:2.3%)
Sale price¥358,000
Synthetic moissanite 6mm/0.748ct loose (star cut)
Sale price¥19,800
Myanmar Pink Spinel 0.650ct Loose
Sale price¥16,800
Colombian emerald cat's eye 0.190ct loose
Sale price¥15,800
Red spinel 0.195ct loose
Sale price¥5,980
Paraiba tourmaline from Brazil 0.154ct loose (CuO:1.1wt%, MnO:1.4wt%)
Sale price¥128,000
[Posted 32501454] Pink Diamond 0.051ct Loose (FANCY LIGHT PINK, SI-2)
Sale price¥39,800
Russian demantoid garnet (horsetail recognized) 0.291ct loose
Sale price¥49,800
Benitoite 2.7mm/0.114ct loose
Sale price¥25,800
Brazilian alexandrite 0.060ct loose
Sale price¥14,800
Brazilian alexandrite 0.082ct loose
Sale price¥15,800
Myanmar pink spinel 0.291ct loose stone
Sale price¥6,980
Brazilian particolor Paraiba tourmaline 0.26ct loose GIA
Sale price¥598,000
Montebrasite from Madagascar 0.328ct loose
Sale price¥3,980
Myanmar Purple Spinel 0.872ct Loose Stone
Sale price¥8,800
Brazilian Paraiba tourmaline 0.226ct loose (CuO:0.7%, MnO:2.5%)
Sale price¥39,800
Bicolor pink star sapphire from Mogok 0.360ct loose
Sale price¥24,800
Bicolor tourmaline 0.591ct loose (rose cut)
Sale price¥8,980
Bicolor tourmaline 0.435ct loose (rose cut)
Sale price¥5,980
Pink tourmaline 0.482ct loose stone
Sale price¥5,980
[12549429] Blue sapphire 0.862ct loose stone
Sale price¥25,800
[12554117] Brazilian Alexandrite 0.058ct loose stone
Sale price¥14,800
[On Sale at 10 PM on October 4th] Blue Sapphire 4.1mm/0.332ct Loose
Sale price¥25,800
[On sale at 10pm on September 30th] Blue sapphire 0.291ct loose stone
Sale price¥18,800
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.