Brazilian copper rutilated quartz 1.465ct loose stone
Sale price¥8,800
Sri Lankan Chrysoberyl Cat's Eye 1.514ct Loose Stone
Sale price¥6,980
Sri Lankan Chrysoberyl Cat's Eye 1.074ct Loose Stone
Sale price¥5,980
Sri Lankan Chrysoberyl Cat's Eye 1.355ct Loose Stone
Sale price¥6,980
Blue sapphire 0.381ct loose stone
Sale price¥9,800
Blue sapphire 0.231ct loose
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.406ct Loose
Sale price¥9,800
Synthetic Moissanite 5.8mm/0.678ct Loose Stone
Sale price¥9,800
Synthetic Moissanite 5.8mm/0.682ct Loose Stone
Sale price¥9,800
Vietnam Yellow Beryl (Heliodor) 0.904ct Loose Stone
Sale price¥8,800
Vietnam Yellow Beryl (Heliodor) 0.911ct Loose Stone
Sale price¥8,800
Aventurine aquamarine 1.450ct loose
Sale price¥8,800
Brazilian Green Tourmaline 0.825ct Loose Stone
Sale price¥9,800
Brazilian Green Tourmaline 0.376ct Loose Stone
Sale price¥9,800
Brazilian Green Tourmaline 0.332ct Loose Stone
Sale price¥9,800
Canary Yellow Tourmaline from Mozambique 0.190ct loose stone
Sale price¥8,800
Canary Yellow Tourmaline from Mozambique 0.132ct loose stone
Sale price¥8,800
Tanzanite from Tanzania 0.245ct loose stone
Sale price¥9,800
Tanzania Bicolor Zoisite 0.295ct Loose Stone
Sale price¥8,800
Tanzanite from Tanzania 0.385ct loose stone
Sale price¥9,800
Tanzania Bicolor Zoisite 0.286ct Loose Stone
Sale price¥8,800
Synthetic Moissanite 0.634ct loose stone
Sale price¥9,800
Almandine Garnet 0.785ct Loose Stone
Sale price¥9,800
Almandine Garnet 0.762ct Loose Stone
Sale price¥9,800
Bicolor Fluorite 0.763ct Loose
Sale price¥9,800
Tanzanian Mandarin Garnet 2.039ct Loose Stone
Sale price¥8,800
Ethiopian Opal 4.9mm/0.625ct Loose (Sphere)
Sale price¥5,980
Ethiopian Opal 5.2mm/0.752ct Loose (Sphere)
Sale price¥6,980
Tanzanian Rhodolite Garnet 0.448ct Loose Stone
Sale price¥6,980
Tanzanian Rhodolite Garnet 0.775ct Loose Stone
Sale price¥9,800
Tanzanian Rhodolite Garnet 0.810ct Loose Stone
Sale price¥9,800
Montana Sapphire 0.207ct Loose (Blue Sapphire)
Sale price¥8,800
Tanzanian Kornerupine Cat's Eye 1.608ct Loose Stone
Sale price¥6,980
American Herkimer Diamond (Rock Crystal) 5.5mm/0.528ct Loose
Sale price¥8,800
Goshenite 5.7mm/0.572ct loose stone
Sale price¥5,980
Tanzanite 0.760ct loose stone (sugarloaf cut)
Sale price¥9,800
Oregon Sunstone 0.713ct loose
Sale price¥6,980
Synthetic Moissanite 6.0mm/0.688ct Loose Stone
Sale price¥9,800
Zimbabwean Blue Apatite (UV Type) 0.650ct Loose
Sale price¥9,800
Mexican Cantera Opal 6.205ct Loose
Sale price¥9,800
YAG (Yttrium Aluminum Garnet) 3.9mm/0.317ct loose stone
Sale price¥6,980
YAG (Yttrium Aluminum Garnet) 4.9mm/0.574ct loose stone
Sale price¥8,800
YAG (Yttrium Aluminum Garnet) 5.0mm/0.672ct loose stone
Sale price¥9,800
YAG (Yttrium Aluminum Garnet) 4.1mm/0.346ct Loose Stone (Rose Cut)
Sale price¥8,800
YAG (Yttrium Aluminum Garnet) 3.3mm/0.208ct Loose Stone (Rose Cut)
Sale price¥5,980
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.