Mexican cantera opal 17.528ct loose
Sale price¥39,800
Benitoite 0.123ct loose (emerald cut)
Sale price¥39,800
Benitoite 0.107ct loose (emerald cut)
Sale price¥35,800
Paraiba tourmaline from Brazil 0.043ct loose
Sale price¥39,800
Paraiba tourmaline from Brazil 0.039ct loose
Sale price¥39,800
Paraiba tourmaline from Brazil 0.050ct loose
Sale price¥39,800
Conch pearl (with flame pattern) 0.439ct loose
Sale price¥39,800
Conch pearl (with flame pattern) 0.387ct loose
Sale price¥39,800
Russian demantoid garnet (horsetail recognized) 0.378ct loose
Sale price¥39,800
Yellow diamond 0.212ct loose (FANCY DEEP ORANGY YELLOW, VS1)
Sale price¥45,800
Yellow diamond 0.153ct loose (FANCY INTENSE YELLOW ORANGE, SI1)
Sale price¥38,800
Yellow diamond 0.188ct loose (FANCY INTENSE YELLOW, VS1)
Sale price¥47,800
Mangano tantalite from Afghanistan 0.233ct loose
Sale price¥39,800
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
Mexican Water Opal 1.790ct Loose (Contralus Opal)
Sale price¥45,800
American benitoite 0.147ct loose
Sale price¥42,800
American benitoite 0.173ct loose
Sale price¥45,800
American benitoite 0.114ct loose
Sale price¥32,800
American benitoite 0.155ct loose
Sale price¥43,800
American benitoite 0.127ct loose
Sale price¥35,800
American benitoite 0.133ct loose
Sale price¥37,800
American benitoite 0.187ct loose
Sale price¥48,800
Bicolor star sapphire from Myanmar 1.340ct loose
Sale price¥35,800
Mexican water opal 0.212ct loose (contrarus opal)
Sale price¥39,800
[Koshu precious stone Kiriko plusthree] Rubellite 1.809ct loose
Sale price¥39,800
[Koshu precious stone Kiriko plusthree] Green tourmaline 1.880ct loose
Sale price¥35,800
Brazilian kyanite in quartz 13.740ct loose
Sale price¥45,800
Pink tourmaline 9.954ct loose
Sale price¥49,800
Brazilian bicolor tourmaline 7.489ct loose
Sale price¥49,800
Tanzanian orange zircon 3.804ct loose
Sale price¥39,800
Pink tourmaline 1.690ct loose
Sale price¥39,800
Red beryl 0.104ct loose
Sale price¥34,800
Red beryl 0.120ct loose
Sale price¥36,800
Fire opal 7mm/1.030ct loose stone
Sale price¥39,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 21.667ct loose
Sale price¥49,800
Brazilian Paraiba tourmaline in quartz 2.954ct loose
Sale price¥45,800
Yellow opal 17.283ct loose
Sale price¥34,800
Prehnite from the Republic of Mali 33.297ct loose
Sale price¥39,800
[Sakura Incut] Goshenite 9mm/2.142ct loose with patch
Sale price¥39,800
Mexican Fire Opal 1.150ct Loose
Sale price¥39,800
Cambodian blue zircon (Ratanakiri blue) 2.567ct loose
Sale price¥35,800
Color change sapphire 0.946ct loose
Sale price¥39,800
Yellow Diamond 3mm/0.111ct Loose (FANCY VIVID ORANGY YELLOW, SI-2)
Sale price¥45,800
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.