Cabochon Cut
[On Sale at 10 PM on August 17th] Mexican Cantera Opal 2.125ct Loose
Sale price¥39,800
[On Sale at 10 PM on August 16th] Mexican Cantera Opal 5.882ct Loose
Sale price¥39,800
[8/8 22:00] Brazilian Dumortierite in Quartz 1.117ct Loose Stone
Sale price¥8,800
Mexican Cantera Opal 4.456ct Loose
Sale price¥39,800
[On sale at 10pm on August 15th] Sri Lankan Star Sapphire 2.062ct Loose
Sale price¥12,800
Diamond (cabochon cut) 0.196ct loose
Sale price¥29,800
Sri Lankan Star Sapphire 1.028ct Loose
Sale price¥8,800
Sri Lankan Star Sapphire 0.533ct Loose
Sale price¥6,980
Sri Lankan Star Sapphire 0.725ct Loose
Sale price¥6,980
Mexican Cantera Opal 8.331ct Loose
Sale price¥39,800
Mexican Cantera Opal 11.885ct Loose
Sale price¥49,800
Yellow Diamond (Cabochon Cut) 0.237ct Loose
Sale price¥35,800
Yellow Diamond (Cabochon Cut) 0.324ct Loose
Sale price¥39,800
Yellow Diamond (Cabochon Cut) 0.176ct Loose
Sale price¥29,800
Madagascar Apatite Cat's Eye 1.644ct Loose Stone
Sale price¥8,800
Madagascar Apatite Cat's Eye 2.496ct Loose Stone
Sale price¥9,800
Madagascar Apatite Cat's Eye 0.909ct Loose Stone
Sale price¥6,980
Ethiopian Opal 7.2mm/0.910ct Loose Stone
Sale price¥6,980
Indonesian Parasitic Peridot Cat's Eye 0.797ct Loose Stone
Sale price¥268,000
Sri Lankan Cat's Eye Sapphire 2.177ct Loose
Sale price¥98,000
Australian black opal 0.404ct loose stone
Sale price¥9,800
Brazilian Dumortierite in Quartz 1.276ct loose stone
Sale price¥6,980
Australian black opal 0.544ct loose stone
Sale price¥18,800
Mexican Cantera Opal 6.112ct Loose
Sale price¥59,800
Brazilian Rutile Cat's Eye 3.856ct Loose Stone (Red Rutile Quartz)
Sale price¥18,800
Brazilian Rutile Cat's Eye 3.306ct Loose Stone (Red Rutile Quartz)
Sale price¥16,800
Colombian emerald cat's eye 0.421ct loose stone
Sale price¥12,800
Colombian emerald cat's eye 0.217ct loose stone
Sale price¥9,800
Colombian emerald cat's eye 3.6mm/0.179ct loose stone
Sale price¥8,800
Round Diamond 0.389ct Loose (Cabochon Cut)
Sale price¥39,800
Brazilian Paraiba Tourmaline in Quartz 1.054ct Loose Stone
Sale price¥18,800
Brazilian Paraiba Tourmaline in Quartz 7.9mm/1.133ct Loose Stone
Sale price¥22,800
Brazilian Paraiba Tourmaline in Quartz 1.530ct Loose Stone
Sale price¥29,800
Brazilian Paraiba Tourmaline in Quartz 3.046ct loose stone
Sale price¥45,800
Australian white opal 2.318ct loose
Sale price¥12,800
Synthetic Black Opal 5.013ct Loose
Sale price¥59,800
Sri Lankan Star Sapphire 7.976ct Loose
Sale price¥98,000
Russian Demantoid Garnet 3.0mm/0.194ct Loose Stone
Sale price¥18,800
Mexican Fire Opal 1.320ct Loose
Sale price¥13,800
Mexican water opal 0.404ct loose stone
Sale price¥12,800
Mexican Opal 0.461ct Loose
Sale price¥8,800
Australian Opal 0.371ct 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.