Mexican Fire Opal 0.564ct Loose (Faceted Cut)
Sale price¥15,800
Lazurite in quartz from Madagascar 0.990ct loose
Sale price¥14,800
Lazurite in quartz from Madagascar 1.090ct loose
Sale price¥14,800
Lazurite in quartz from Madagascar 7.5mm/1.600ct loose
Sale price¥18,800
Indian alexandrite cat's eye 0.422ct loose
Sale price¥12,800
Montana Sapphire 0.449ct loose (bicolor sapphire)
Sale price¥17,800
Montana sapphire 0.359ct loose (blue sapphire)
Sale price¥15,800
Montana Sapphire 0.308ct loose (bicolor sapphire)
Sale price¥14,800
Montana Sapphire 0.397ct loose (bicolor sapphire)
Sale price¥15,800
Montana Sapphire 0.561ct loose (bicolor sapphire)
Sale price¥22,800
Montana Sapphire 0.443ct loose (green sapphire)
Sale price¥15,800
Montana Sapphire 0.361ct loose (yellow sapphire)
Sale price¥14,800
Montana Sapphire 0.515ct loose (bicolor sapphire)
Sale price¥19,800
Myanmar Violet Spinel 0.776ct Loose
Sale price¥12,800
Montana Sapphire 0.416ct Loose (Bi-Color Sapphire)
Sale price¥12,800
Montana Sapphire 0.458ct Loose (Bi-Color Sapphire)
Sale price¥14,800
Montana Sapphire 0.291ct loose (green sapphire)
Sale price¥11,800
Medusa Quartz (Paraiba Quartz) 1.855ct loose
Sale price¥25,800
Brazilian Paraiba tourmaline in quartz 0.819ct loose
Sale price¥15,800
Spanish bicolor sphalerite 1.652ct loose
Sale price¥25,800
American Red Beryl 0.100ct Loose
Sale price¥25,800
American red beryl 0.116ct loose
Sale price¥29,800
American Red Beryl 0.120ct Loose
Sale price¥29,800
316.775ct Indian Cavansite rough stone
Sale price¥19,800
Indian bag site 572.500ct raw stone
Sale price¥18,800
582.5ct rough cabansite from India
Sale price¥19,800
663.50ct Indian Cavansite rough stone
Sale price¥19,800
1055.5ct Indian Cavansite Rough Stone
Sale price¥19,800
Yellow sapphire 0.464ct loose
Sale price¥12,800
Russian demantoid garnet (horsetail recognized) 0.119ct loose
Sale price¥29,800
Aquamarine in quartz 18.954ct rough stone
Sale price¥15,800
Rutilated Quartz (Rutilated Quartz) 9.721ct Loose (Sun Rutilated Quartz)
Sale price¥29,800
Rutilated Quartz (Rutile Quartz) 7.440ct Loose (Sun Rutilated Quartz)
Sale price¥25,800
Brazilian Medusa Quartz (Paraiba Quartz) 1.317ct loose
Sale price¥24,800
Oregon Sunstone 8.256ct rough stone
Sale price¥15,800
[Sakura Incut] Danburite 8.3mm/1.585ct loose with patch
Sale price¥29,800
Blue Tourmaline 1.460ct Loose Stone Japan-Germany Exchange
Sale price¥29,800
Brazilian Quartz in Quartz 14.298ct Loose Stone
Sale price¥25,800
Pink tourmaline 0.539ct loose stone (heart shape)
Sale price¥12,800
Pink tourmaline 0.819ct loose
Sale price¥15,800
Sky blue topaz 10.967ct loose
Sale price¥19,800
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.