Silky sapphire from Sri Lanka 0.928ct loose
Sale price¥9,800
Silky sapphire from Sri Lanka 0.920ct loose
Sale price¥14,800
Silky sapphire from Sri Lanka 1.036ct loose
Sale price¥12,800
Silky sapphire from Sri Lanka 0.981ct loose
Sale price¥14,800
Silky sapphire from Sri Lanka 0.868ct loose
Sale price¥12,800
Silky sapphire from Sri Lanka 0.627ct loose
Sale price¥8,800
Silky sapphire from Sri Lanka 1.319ct loose
Sale price¥15,800
Mexican cantera opal 17.528ct loose
Sale price¥39,800
Mexican cantera opal 11.914ct loose
Sale price¥19,800
Mexican cantera opal 8.100ct loose
Sale price¥19,800
Opal from Indonesia 0.217ct loose
Sale price¥5,980
Mexican Water Opal 0.598ct Loose (Contralus Opal)
Sale price¥9,800
[Mr. Sanjay] Mexican water opal 3.161ct loose (Contrarus opal)
Sale price¥69,800
Benitoite 0.123ct loose (emerald cut)
Sale price¥39,800
Benitoite 0.107ct loose (emerald cut)
Sale price¥35,800
Benitoite 0.104ct loose (emerald cut)
Sale price¥29,800
Unheated silky pink sapphire from Vietnam 0.161ct loose
Sale price¥7,980
South African yellow diamond (makeable) 0.202ct rough stone
Sale price¥17,800
South African yellow diamond (makeable) 0.193ct rough stone
Sale price¥9,800
South African gray diamond (makeable) 0.169ct rough stone
Sale price¥15,800
South African yellow diamond (makeable) 0.159ct rough stone
Sale price¥15,800
Conch pearl (with flame pattern) 0.439ct loose
Sale price¥39,800
Conch pearl (with flame pattern) 0.387ct loose
Sale price¥39,800
Opal 6mm/0.590ct loose (rose cut)
Sale price¥8,800
Sri Lankan star sapphire (4 rows) 1.473ct loose
Sale price¥79,800
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
Diamond 0.096ct loose (D, SI1, octagonal cut)
Sale price¥19,800
Diamond 0.126ct loose (F, VS2, octagonal cut)
Sale price¥25,800
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
Mexican Water Opal 2.623ct Loose (Contralus Opal)
Sale price¥55,800
Mexican Water Opal 1.790ct Loose (Contralus Opal)
Sale price¥45,800
Bicolor star sapphire from Myanmar 1.340ct loose
Sale price¥35,800
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.