Mexican Cantera Opal 1.534ct Loose
Sale price¥8,800
Mexican Cantera Opal 4.542ct Loose
Sale price¥12,800
Mexican Cantera Opal 11.105ct Loose
Sale price¥12,800
Tanzanite from Tanzania 1.522ct loose stone
Sale price¥55,800
Tanzanite from Tanzania 0.804ct loose stone
Sale price¥24,800
Tanzanite from Tanzania 0.856ct loose stone
Sale price¥29,800
Bicolor tourmaline 0.840ct loose
Sale price¥22,800
Sri Lankan Blue Sapphire 3.8mm/0.279ct Loose
Sale price¥8,800
Sri Lankan Blue Sapphire 4.5mm/0.401ct Loose
Sale price¥12,800
Brazilian Tourmaline Cat's Eye 0.890ct Loose Stone
Sale price¥2,980
Mexican Fire Opal 0.780ct Loose
Sale price¥12,800
Dominican Republic Conch Pearl (with flame pattern) 0.572ct loose
Sale price¥8,800
Mausithit from Myanmar 5.246ct loose (Maushitsit)
Sale price¥5,980
Brazilian tourmaline cat's eye 0.910ct loose stone
Sale price¥3,980
Dominican Republic Conch Pearl 1.60ct Loose
Sale price¥39,800
Mexican Smithsonite 2.697ct loose stone
Sale price¥9,800
Rhodochrosite from South Africa 4.2mm/0.409ct loose
Sale price¥39,800
Dominican Republic Conch Pearl (with flame pattern) 2.271ct loose
Sale price¥9,800
[Clover in cut] Mexican opal 7mm/0,648ct {Collaboration} Loose patch
Sale price¥45,800
Russian demantoid garnet (horsetail recognized) 3mm/0.188ct loose
Sale price¥19,800
Oregon Sunstone from the United States 0.314ct loose stone
Sale price¥14,800
Madagascar Oregon Sunstone 4mm/0.239ct Loose Stone
Sale price¥7,980
Oregon Sunstone from the United States 4.0mm/0.206ct loose stone
Sale price¥8,800
Oregon Sunstone from the United States 4.0mm/0.204ct loose stone
Sale price¥6,980
Australian Shell Opal (Shell Opal) 51.801ct Rough Stone
Sale price¥25,800
Brazilian Quartz in Quartz 10.349ct Loose Stone
Sale price¥15,800
Brazilian bicolor tourmaline cat's eye 22.056ct loose stone
Sale price¥198,000
Congo Bicolor Tourmaline 3.429ct Loose
Sale price¥128,000
Mozambique Rubellite 1.706ct Loose Stone
Sale price¥39,800
Oregon Sunstone from the United States 0.372ct loose stone
Sale price¥12,800
Andesine Labradorite (also known as Blue Moonstone) 1.096ct loose stone
Sale price¥45,800
Andesine Labradorite (also known as Blue Moonstone) 0.949ct loose stone
Sale price¥45,800
Kenyan Gold Sheen Sapphire 4mm/0.438ct Loose
Sale price¥55,800
Oregon Sunstone from the United States 5.0mm/0.460ct loose stone
Sale price¥19,800
Diamond (cabochon cut) 0.183ct loose
Sale price¥24,800
Diamond (cabochon cut) 0.366ct loose
Sale price¥59,800
Argentine Inca Rose 15.960ct loose stone
Sale price¥12,800
Argentine Inca Rose 20.650ct loose stone
Sale price¥15,800
Argentine Inca Rose 15.190ct loose stone
Sale price¥12,800
Tanzanian Rhodolite Garnet 10.608ct Loose Stone
Sale price¥98,000
Mozambique Aquamarine 3.301ct Loose Stone
Sale price¥59,800
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.