Mexican Hyalite Opal 1.587ct Loose
Sale price¥9,800
Brazilian Alexandrite 0.044ct Loose Stone (Emerald Cut)
Sale price¥15,800
Pakistani Veirinite 0.190ct Loose Stone with Certificate of Authenticity
Sale price¥45,800
Kunzite 13.700ct loose
Sale price¥15,800
Lavender spinel 1.285ct loose
Sale price¥39,800
Colombian emerald cat's eye 0.834ct loose
Sale price¥39,800
Colombian trapiche emerald (reverse trapiche) 0.107ct rough stone
Sale price¥9,800
Star spinel 1.295ct loose
Sale price¥11,800
Myanmar star spinel 1.160ct loose
Sale price¥12,800
Tanzanian Golden Sheen Sapphire 0.495ct Loose
Sale price¥6,980
Myanmar Purple Spinel 0.312ct Loose Stone
Sale price¥3,980
Pink tourmaline 0.841ct loose stone
Sale price¥8,800
Myanmar pink spinel 0.325ct loose stone
Sale price¥6,980
Cornel pin cat's eye 0.657ct loose
Sale price¥3,980
Cornel pin cat's eye 0.422ct loose
Sale price¥2,980
[Posted 12540116] Ethiopian opal 136.601ct rough stone
Sale price¥29,800
[12539978 published] Ametrine 1.386ct loose
Sale price¥45,800
Brazilian Paraiba tourmaline 96.184ct raw stone
Sale price¥8,800
Rutilated Quartz (Rutilated Quartz) 110.150ct Loose
Sale price¥18,800
Rutilated Quartz (Rutilated Quartz) 92.302ct Loose
Sale price¥12,800
Fluorite in quartz 100.785ct loose
Sale price¥19,800
Brazilian beryl 105.928ct raw stone
Sale price¥18,800
Synthetic rutile 6.5mm/1.233ct loose stone
Sale price¥12,800
Synthetic Moissanite 13mm/8.154ct Loose Stone
Sale price¥39,800
Tanzanite 1.024ct loose
Sale price¥12,800
[Posted 12541071] Emerald 162.375ct rough stone
Sale price¥9,800
[Posted 12541074] Emerald 77.265ct rough stone
Sale price¥6,980
[12541081 published] Emerald 9.380ct rough stone
Sale price¥4,980
Star spinel from Myanmar 1.004ct loose
Sale price¥14,800
Bicolor apatite 15.507ct loose
Sale price¥98,000
Cornel pin 1.011ct loose
Sale price¥8,800
Black opal 2.293ct loose
Sale price¥98,000
Mexican fire agate 33.195ct loose
Sale price¥39,800
Colombian Euclase 1.365ct rough stone
Sale price¥29,800
Mexican cantera opal 34.760ct loose
Sale price¥39,800
K18 bicolor sapphire 0.129ct/blue sapphire ring
Sale price¥69,800
[Dandelion cut] Danburite 7mm/1.364ct loose with patch
Sale price¥19,800
[Sakura Incut] Danburite 8.25mm/1.719ct《Collaboration》Loose with emblem
Sale price¥25,800
[Camellia Cut] Ametrine 11mm/4.207ct《Collaboration》Loose with patch
Sale price¥39,800
Yellow sapphire from Sri Lanka 6mm/0.962ct loose
Sale price¥18,800
Yellow sapphire from Sri Lanka 6mm/0.816ct loose
Sale price¥18,800
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.