Custom Cut
Indian Moonstone 8.2mm/1.823ct Loose
Sale price¥14,800
Australian Prehnite 5.398ct loose stone
Sale price¥12,800
Tanzanian Blue Spinel 1.028ct Loose Stone
Sale price¥39,800
Emerald 0.484ct loose
Sale price¥18,800
Emerald 0.156ct loose stone
Sale price¥8,800
Color shift amethyst 4.191ct loose stone
Sale price¥14,800
Tanzanite from Tanzania 0.351ct loose stone
Sale price¥9,800
Tanzanite from Tanzania 0.298ct loose stone
Sale price¥9,800
Tanzanite from Tanzania 0.250ct loose stone
Sale price¥7,980
Tanzania Bicolor Zoisite 0.320ct Loose Stone
Sale price¥7,980
Ruby 0.273ct loose stone
Sale price¥13,800
Brazilian Green Tourmaline 0.703ct Loose Stone
Sale price¥15,800
Brazilian Green Tourmaline 0.764ct Loose Stone
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.344ct Loose
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.300ct Loose
Sale price¥8,800
Brazilian bicolor tourmaline 0.675ct loose stone
Sale price¥9,800
Brazilian Pink Tourmaline 0.448ct Loose Stone
Sale price¥8,800
Mexican Yellow Opal 0.673ct Loose
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.593ct Loose
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.299ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.261ct Loose
Sale price¥12,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.807ct Loose Stone
Sale price¥15,800
Argentine Inca Rose 5.022ct loose stone
Sale price¥12,800
Cambodian colorless zircon 0.508ct loose stone
Sale price¥8,800
Cambodian colorless zircon 0.512ct loose stone
Sale price¥8,800
Cambodian colorless zircon 0.309ct loose stone
Sale price¥4,980
Mexican Cantera Opal 2.982ct Loose
Sale price¥14,800
Mexican Cantera Opal 1.534ct Loose
Sale price¥8,800
Mexican Cantera Opal 11.105ct Loose
Sale price¥12,800
Andesine Labradorite (also known as Blue Moonstone) 0.949ct loose stone
Sale price¥45,800
Tanzanian Rhodolite Garnet 10.608ct Loose Stone
Sale price¥98,000
Brazilian Limonite in Topaz 3.399ct loose stone
Sale price¥8,800
Brazilian Imperial Topaz 0.764ct Loose Stone
Sale price¥19,800
Brazilian bicolor tourmaline 0.845ct loose stone
Sale price¥15,800
Indian Moss Agate 0.755ct Loose Stone
Sale price¥7,980
Indian Moss Agate 1.182ct Loose Stone
Sale price¥11,800
Indian Moss Agate 1.434ct Loose Stone
Sale price¥12,800
Tourmaline 0.541ct loose stone
Sale price¥8,800
Brazilian Tourmaline 0.858ct Loose Stone
Sale price¥15,800
Brazilian bicolor tourmaline 0.326ct loose stone
Sale price¥8,800
Brazilian Pink Tourmaline 0.538ct Loose Stone
Sale price¥8,800
Brazilian Pink Tourmaline 0.855ct Loose Stone
Sale price¥14,800
Brazilian Brown Tourmaline 1.529ct Loose Stone
Sale price¥14,800
Brazilian Green Tourmaline 0.350ct Loose
Sale price¥9,800
Brazilian Limonite in Topaz 6.829ct loose stone
Sale price¥17,800
Brazilian Limonite in Topaz 5.709ct loose stone
Sale price¥9,800
Brazilian bicolor euclase 0.239ct loose stone
Sale price¥18,800
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.
KARATZ's Initiatives and Social Contributions
We will introduce KARATZ's efforts, including nurturing the next generation and business collaboration to develop the industry, and supporting children in Sri Lanka, the land of jewels.
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.