Oregon Sunstone from the United States 1.203ct loose stone
Sale price¥9,800
Rubellite from Mozambique 0.748ct loose
Sale price¥9,800
Brazilian Apatite Cat's Eye 3.914ct Loose Stone
Sale price¥6,980
Brazilian Topaz Cat's Eye 8.781ct Loose Stone
Sale price¥8,800
Brazilian Topaz Cat's Eye 7.869ct Loose Stone
Sale price¥8,800
Colombian Trapiche Emerald (Reverse Trapiche) 4.3mm/0.329ct Rough Stone
Sale price¥29,800
[Cat cut] Bankacha sapphire 0.812ct loose stone
Sale price¥9,800
Montana Sapphire 0.119ct loose
Sale price¥12,800
Sri Lankan Purple Sapphire 0.502ct Loose
Sale price¥7,980
Mongolian color change andesine 6.0mm/0.754ct loose stone
Sale price¥8,800
Kenyan Gold Sheen Sapphire 4.1mm/0.409ct Loose
Sale price¥22,800
Tanzanian Lavender Tanzanite 2.219ct Loose Stone
Sale price¥55,800
Paudretite from Myanmar 0.193ct loose sunflower beads
Sale price¥29,800
Mexican Fire Opal 1.808ct Loose (Contralus Opal)
Sale price¥35,800
Mexican Fire Opal 1.624ct Loose (Contralus Opal)
Sale price¥12,800
Brazilian rainbow scapolite 3mm/0.101ct loose (rose cut)
Sale price¥3,980
Brazilian Rainbow Scapolite 3mm/0.120ct Loose Stone
Sale price¥3,980
Ruby from Greenland 0.307ct loose with certificate
Sale price¥15,800
Myanmar Maw Sit Sit (Maw Sissi) 2.206ct loose stone
Sale price¥5,980
Myanmar Maw Sit Sit (Maw Sissi) 2.331ct loose stone
Sale price¥5,980
Mexican Fire Opal 5mm/0.342ct Loose (Contralus Opal)
Sale price¥9,800
Tibetan Andesine 4.2mm/0.257ct Loose Stone
Sale price¥2,980
Tibetan Andesine 4.5mm/0.289ct Loose Stone
Sale price¥2,980
Synthetic rutile 5mm/0.585ct loose
Sale price¥12,800
Synthetic rutile 5mm/0.642ct loose stone
Sale price¥12,800
Paraiba tourmaline from Mozambique 1.481ct loose (CuO:0.3%, MnO:4.3%)
Sale price¥158,000
American Benitoite 0.158ct loose stone
Sale price¥59,800
American Benitoite 0.296ct loose stone
Sale price¥148,000
Unheated blue sapphire from Madagascar 1.310ct loose GIA
Sale price¥89,800
Mexican Cantera Opal 2.661ct Loose
Sale price¥12,800
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.