Madeira citrine 0.170ct loose
Sale price¥5,980
Montana Sapphire 0.397ct loose (bicolor sapphire)
Sale price¥12,800
Montana Sapphire 0.449ct loose (bicolor sapphire)
Sale price¥14,800
Australian Rainbow Lattice Sunstone 1.013ct Loose
Sale price¥3,980
Indian alexandrite cat's eye 0.679ct loose
Sale price¥8,800
Indian alexandrite cat's eye 0.422ct loose
Sale price¥9,800
Green tourmaline 1.687ct loose
Sale price¥12,800
Pink tourmaline 0.669ct loose
Sale price¥8,800
Green tourmaline 2.144ct loose
Sale price¥24,800
Bicolor Tourmaline 9.0mm/2.507ct Loose
Sale price¥29,800
Green tourmaline 3.334ct loose
Sale price¥25,800
Mexican Hyalite Opal 7.5mm/1.221ct Loose (Faceted Cut)
Sale price¥12,800
Green tourmaline 6.069ct loose (marron cut) Japanese-German book
Sale price¥69,800
Pt900 benitoite 0.135ct/diamond ring
Sale price¥128,000
Strawberry quartz from Kazakhstan 0.977ct loose
Sale price¥5,980
Strawberry quartz from Kazakhstan 0.803ct loose
Sale price¥5,980
Strawberry quartz from Kazakhstan 1.613ct loose
Sale price¥9,800
Strawberry quartz from Kazakhstan 0.773ct loose
Sale price¥5,980
Strawberry quartz from Kazakhstan 1.031ct loose
Sale price¥7,980
Strawberry quartz from Kazakhstan 0.815ct loose
Sale price¥5,980
Copper rutilated quartz 1.135ct loose
Sale price¥5,980
Copper rutilated quartz 1.165ct loose
Sale price¥5,980
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 3.089ct loose
Sale price¥9,800
Paraiba tourmaline from Mozambique 0.240ct loose
Sale price¥29,800
Paraiba tourmaline from Mozambique 0.414ct loose
Sale price¥45,800
Paraiba tourmaline from Mozambique 0.246ct loose
Sale price¥35,800
[Dandelion cut] Synthetic rutile 7.5mm/2.630ct loose
Sale price¥39,800
Sri Lankan Ratotta Topaz 9.926ct Loose (White Topaz)
Sale price¥15,800
Sri Lankan Ratotta Topaz 9.589ct Loose (White Topaz)
Sale price¥12,800
Sri Lankan Ratotta Topaz 4.170ct Loose (White Topaz)
Sale price¥7,980
Sri Lankan Ratotta Topaz 7.709ct Loose (White Topaz)
Sale price¥12,800
Bicolor tourmaline 0.974ct loose
Sale price¥9,800
Yellow diamond 0.212ct loose (FANCY DEEP ORANGY YELLOW, VS1)
Sale price¥45,800
Yellow diamond 0.291ct loose (FANCY INTENSE ORANGY YELLOW, SI2)
Sale price¥59,800
Yellow diamond 0.153ct loose (FANCY INTENSE YELLOW ORANGE, SI1)
Sale price¥35,800
Yellow diamond 0.188ct loose (FANCY INTENSE YELLOW, VS1)
Sale price¥47,800
Colombian trapiche emerald (reverse trapiche) 3.6mm/0.168ct rough stone
Sale price¥12,800
Colombian trapiche emerald (reverse trapiche) 0.135ct rough stone
Sale price¥9,800
Colombian trapiche emerald (reverse trapiche) 0.131ct rough stone
Sale price¥12,800
Pink diamond 2.2mm/0.043ct loose (FANCY LIGHT PURPLISH PINK, SI2)
Sale price¥39,800
Jeremejevite from Namibia 0.041ct loose
Sale price¥6,980
Jeremejevite from Namibia 0.145ct loose (contains iron oxide)
Sale price¥12,800
Unheated silky pink sapphire from Vietnam 0.175ct loose
Sale price¥6,980
[Rouge cut] Almandine garnet 4.632ct loose
Sale price¥14,800
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.