Rutilated Quartz (Rutilated Quartz) 5.870ct Loose
Sale price¥6,980
Myanmar Purple Spinel 0.872ct Loose Stone
Sale price¥8,800
Bicolor tourmaline 0.591ct loose (rose cut)
Sale price¥9,800
Bicolor tourmaline 0.435ct loose (rose cut)
Sale price¥6,980
Pink tourmaline 0.482ct loose stone
Sale price¥6,980
Ruby 0.194ct loose
Sale price¥8,800
Zircon 0.991ct loose stone
Sale price¥8,800
Zircon 0.848ct loose stone
Sale price¥8,800
Tanzanian zircon 0.942ct loose stone
Sale price¥8,800
Tanzanian orange zircon 0.813ct loose stone
Sale price¥6,980
Ruby 0.472ct loose
Sale price¥6,980
Cornel pin cat's eye 0.513ct loose
Sale price¥6,980
Cornel pin cat's eye 0.791ct loose
Sale price¥8,800
Cornel pin cat's eye 0.872ct loose
Sale price¥6,980
Cornel pin cat's eye 0.980ct loose
Sale price¥6,980
Brazilian Andalusite 0.634ct loose
Sale price¥5,980
Brazilian Andalusite 0.608ct loose
Sale price¥5,980
Sierra Leone sapphire 1.210ct loose
Sale price¥9,800
Andesine 0.502ct loose stone (pixel cut)
Sale price¥6,980
Tanzanian Clinozoisite 0.950ct Loose Stone (Phantom Cut)
Sale price¥5,980
Tanzanian Clinozoisite 0.710ct Loose Stone (Phantom Cut)
Sale price¥5,980
Tanzanian Clinozoisite 0.560ct Loose Stone (Phantom Cut)
Sale price¥5,980
Spinel from Sri Lanka 0.800ct loose
Sale price¥9,800
Bicolor tourmaline 1.248ct loose
Sale price¥8,800
Bicolor tourmaline 1.097ct loose
Sale price¥6,980
Mexican Fire Opal 1.30ct Loose
Sale price¥6,980
Fluorite 16.786ct loose
Sale price¥9,800
Trapiche emerald 0.650ct loose (reverse trapiche)
Sale price¥8,800
Star sapphire 0.973ct loose
Sale price¥5,980
Chrysoberyl cat's eye 1.080ct loose
Sale price¥8,800
Bicolor tourmaline 3.277ct loose
Sale price¥9,800
Rose quartz 18.410ct loose (pineapple cut)
Sale price¥9,800
Green quartz 10.330ct loose (pineapple cut)
Sale price¥6,980
Spinel 0.545ct loose (rose cut)
Sale price¥9,800
Spinel 0.705ct loose (rose cut)
Sale price¥9,800
Purple spinel 0.424ct loose (rose cut)
Sale price¥9,800
Pink tourmaline 0.391ct loose
Sale price¥5,980
Bangkacha sapphire (star sapphire) 1.417ct loose
Sale price¥8,800
Pink tourmaline 0.158ct loose
Sale price¥8,800
Kenyan gold sheen sapphire 2.3mm/0.083ct loose
Sale price¥8,800
Kenyan gold sheen sapphire 2.3mm/0.076ct loose
Sale price¥7,980
Kenyan gold sheen sapphire 2.1mm/0.071ct loose
Sale price¥9,800
Kenyan gold sheen sapphire 2.2mm/0.069ct loose
Sale price¥9,800
[Mr. NOBU] Green Opal from Amazon [Collaboration] 6.8mm loose
Sale price¥9,800
[Cat cut] Amazon green opal 6.5mm/0.580ct loose
Sale price¥9,800
Pink tourmaline 0.157ct loose
Sale price¥6,980
Pyrope spessartine garnet (color change garnet) 0.670ct 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.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
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.