Pakistani Axinite (Green Tint) 1.003ct Loose Stone
Sale price¥35,800
Ruby 4.0mm/0.305ct loose stone
Sale price¥45,800
Brazilian Alexandrite 0.135ct Loose Stone JTL Catalog
Sale price¥35,800
South African diamond rough (sawable) 0.096ct rough (with trigon)
Sale price¥39,800
Diamond (cabochon cut) 0.247ct loose (VS-SI class equivalent)
Sale price¥39,800
Mexican Cantera Opal 1.842ct Loose
Sale price¥39,800
Mexican Cantera Opal 9.909ct Loose
Sale price¥39,800
Mexican Cantera Opal 7.275ct Loose
Sale price¥35,800
Mexican Cantera Opal 5.261ct Loose
Sale price¥49,800
Colombian Euclase 0.315ct loose stone
Sale price¥39,800
Blue sapphire 1.432ct loose stone
Sale price¥39,800
Alexandrite 0.201ct loose stone
Sale price¥39,800
Orion "Semi-custom pendant frame"
Sale price¥47,800
South African diamond rough (sawable) 0.112ct rough
Sale price¥44,800
South African diamond rough (sawable) 0.091ct rough (trigon)
Sale price¥35,800
[Sakura Incut] Brazilian Blue Topaz 16mm/15.329ct Loose Patch
Sale price¥39,800
Zimbabwean Euclase 0.063ct loose stone
Sale price¥39,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.824ct Loose Stone
Sale price¥39,800
Brown diamond (sugarloaf cut) 0.278ct loose (SI class equivalent)
Sale price¥45,800
Brazilian Limonite in Topaz 20.777ct loose stone
Sale price¥39,800
Afghanistan Awinite 0.103ct loose stone JTL catalog
Sale price¥49,800
Afghanistan Awinite 0.075ct loose stone JTL catalog
Sale price¥35,800
Russian Demantoid Garnet (Horsetail) 3.5mm/0.187ct Loose Stone
Sale price¥45,800
Colombian Trapiche Emerald 0.923ct Rough Stone
Sale price¥45,800
Diamond 3.8mm/0.200 loose (E, VVS1, VeryGood)
Sale price¥39,800
Diamond 3.8mm/0.220 Loose (H, VS1, 3Excellent H&C)
Sale price¥45,800
Ethiopian Opal 41.967ct Rough Stone
Sale price¥33,800
Brazilian Pink Tourmaline 1.799ct Loose Stone
Sale price¥35,800
Zambian Canary Yellow Tourmaline 1.483ct loose stone
Sale price¥39,800
South African Rhodochrosite 0.457ct loose stone
Sale price¥45,800
Diamond (cabochon cut) 0.233ct loose
Sale price¥39,800
Brazilian parti-color tourmaline 1.412ct loose stone
Sale price¥39,800
Australian black opal 4.528ct loose
Sale price¥39,800
Australian black opal 2.591ct loose stone
Sale price¥39,800
Brazilian Euclase (Bicolor Euclase) 0.302ct Loose Stone
Sale price¥49,800
Brazilian Euclase (Bicolor Euclase) 0.199ct Loose Stone
Sale price¥45,800
Brazilian Rubellite Cat's Eye 1.484ct Loose Stone
Sale price¥39,800
Hackmanite rough stone from Afghanistan, 7.183ct
Sale price¥39,800
Congo Dioptase 79.498ct rough stone
Sale price¥31,800
Congo Dioptase 85.471ct rough stone
Sale price¥34,800
Brazilian Paraiba Tourmaline in Quartz 2.403ct loose stone
Sale price¥45,800
Brazilian Paraiba Tourmaline in Quartz 1.917ct loose stone
Sale price¥42,800
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.