Paraiba tourmaline from Brazil 0.050ct loose
Sale price¥39,800
Paraiba tourmaline from Brazil 0.039ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.036ct loose
Sale price¥25,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 6.004ct loose
Sale price¥15,800
Demantoid garnet 15.468ct rough stone from Madagascar
Sale price¥12,800
Demantoid garnet 20.693ct rough stone from Madagascar
Sale price¥12,800
Demantoid garnet 38.035ct rough stone from Madagascar
Sale price¥12,800
Yellow diamond 0.291ct loose (FANCY INTENSE ORANGY YELLOW, SI2)
Sale price¥64,800
Yellow diamond 0.153ct loose (FANCY INTENSE YELLOW ORANGE, SI1)
Sale price¥38,800
Colombian trapiche emerald (reverse trapiche) 3.6mm/0.168ct rough stone
Sale price¥19,800
Colombian trapiche emerald (reverse trapiche) 0.135ct rough stone
Sale price¥14,800
Colombian trapiche emerald (reverse trapiche) 3.4mm/0.132ct rough stone
Sale price¥14,800
Colombian trapiche emerald (reverse trapiche) 0.131ct rough stone
Sale price¥14,800
Colombian trapiche emerald (reverse trapiche) 0.098ct rough stone
Sale price¥9,800
Colombian trapiche emerald (reverse trapiche) 3.2mm/ 0.091ct rough stone
Sale price¥11,000
Colombian trapiche emerald (reverse trapiche) 0.082ct rough stone
Sale price¥9,800
Chrome tourmaline from Tanzania 2.5mm/0.076ct loose
Sale price¥3,980
Chrome tourmaline from Tanzania 2.5mm/0.061ct loose
Sale price¥3,980
Diamond 0.096ct loose (D, SI1, octagonal cut)
Sale price¥19,800
Diamond 0.126ct loose (F, VS2, octagonal cut)
Sale price¥25,800
Paraiba tourmaline from Brazil 3.5mm/0.278ct loose
Sale price¥18,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 1.825ct loose
Sale price¥24,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 1.420ct loose
Sale price¥35,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 1.351ct loose
Sale price¥32,800
Paraiba tourmaline from Mozambique 0.516ct loose
Sale price¥41,800
Paraiba tourmaline from Mozambique 0.270ct loose
Sale price¥21,800
Pink diamond 2.4mm/0.055ct loose (FANCY LIGHT PURPLE PINK, SI2)
Sale price¥69,800
Pink diamond 2.4mm/0.071ct loose (FANCY LIGHT PURPLE PINK, SI2)
Sale price¥98,000
Pink diamond 2.2mm/0.041ct loose (FANCY LIGHT PURPLE PINK, SI2)
Sale price¥57,800
Pink diamond 2.3mm/0.055ct loose (FANCY LIGHT PURPLE PINK, SI2)
Sale price¥79,800
Pink diamond 2.2mm/0.043ct loose (FANCY LIGHT PURPLISH PINK, SI2)
Sale price¥59,800
Paraiba tourmaline from Brazil 0.066ct loose
Sale price¥19,800
Mint color tourmaline 0.115ct loose
Sale price¥5,980
Brazilian dumortierite in quartz 9.490ct loose
Sale price¥25,800
Brazilian dumortierite in quartz 4.263ct loose
Sale price¥12,800
Brazilian dumortierite in quartz 4.180ct loose
Sale price¥12,800
Russian demantoid garnet (horsetail recognized) 3.7mm/0.231ct loose
Sale price¥22,800
Russian demantoid garnet (horsetail recognized) 3.8mm/0.232ct loose
Sale price¥18,800
Diamond 0.051ct loose (trapeze cut, VS class equivalent)
Sale price¥9,800
Diamond 0.777ct loose (butterfly cut)
Sale price¥77,777
Brazilian bicolor tourmaline 7.489ct loose
Sale price¥49,800
Pink tourmaline 1.690ct loose
Sale price¥39,800
Pink diamond 2.2mm/0.044ct loose (FANCY PURPLE PINK, I-1)
Sale price¥39,800
Pink tourmaline (rose cut) 0.512ct loose
Sale price¥8,800
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.