Tanzanian Kornerupine 0.170ct loose stone
Sale price¥15,800
Tanzanian Kornerupine 0.272ct loose stone
Sale price¥22,800
Tanzanian Kornerupine 0.277ct loose stone
Sale price¥29,800
Tanzanian Kornerupine 0.264ct loose stone
Sale price¥29,800
Strawberry quartz from Kazakhstan 1.536ct loose
Sale price¥12,800
Strawberry quartz from Kazakhstan 1.613ct loose
Sale price¥12,800
Paraiba tourmaline from Brazil 0.032ct loose (CuO:2.2%, MnO:1.8%)
Sale price¥25,800
Paraiba tourmaline from Brazil 0.039ct loose (CuO:1.5%, MnO:2.0%)
Sale price¥24,800
Mexican Opal 1.205ct Loose (Contrarus Opal, Faceted Cut)
Sale price¥29,800
Mexican fire agate 19.730ct loose
Sale price¥19,800
Brazilian dumortierite in quartz 6mm/0.852ct loose
Sale price¥12,800
Bekily Blue Garnet from Madagascar (color change garnet) 0.169ct loose
Sale price¥18,800
Bekily Blue Garnet from Madagascar (color change garnet) 0.151ct loose
Sale price¥14,800
Tanzanian Kornerupine 3.4mm/0.185ct Loose Stone
Sale price¥12,800
Cornell pin from Tanzania 3.5mm/0.173ct loose
Sale price¥14,800
Pink diamond 0.030ct loose (FANCY PURPLE PINK, SI2)
Sale price¥29,800
Yellow sapphire from Sri Lanka 0.791ct loose
Sale price¥19,800
Paraiba tourmaline from Brazil 0.129ct loose (Cu:0.6%,MnO:0.9%)
Sale price¥29,800
Cornelpine from Tanzania 0.331ct loose
Sale price¥29,800
Sky blue topaz 5.595ct loose
Sale price¥18,800
Mexican Hyalite Opal 7.5mm/1.221ct Loose (Faceted Cut)
Sale price¥14,800
Cambodian Blue Zircon 1.205ct Loose
Sale price¥18,800
Cambodian Blue Zircon 1.895ct Loose
Sale price¥19,800
Green tourmaline 1.258ct loose
Sale price¥29,800
Pink tourmaline 1.575ct loose
Sale price¥14,800
Green tourmaline 3.334ct loose
Sale price¥25,800
Green tourmaline 2.144ct loose
Sale price¥25,800
Bicolor Tourmaline 9.0mm/2.507ct Loose
Sale price¥29,800
Green tourmaline 2.007ct loose
Sale price¥29,800
Green tourmaline 1.687ct loose
Sale price¥15,800
Myanmar Purple Spinel 1.364ct Loose Stone
Sale price¥29,800
Oil-in-quartz 30.677ct rough stone from Madagascar
Sale price¥12,800
Oil-in-quartz 31.973ct rough stone from Madagascar
Sale price¥12,800
Mexican Opal 0.790ct Loose (Contrarus Opal, Faceted Cut)
Sale price¥18,800
Mexican Opal 0.502ct Loose (Faceted Cut)
Sale price¥12,800
Oregon Sunstone 1.507ct loose
Sale price¥12,800
[Sakura in-cut] Lavender quartz (scorolite) 8mm/ 2.161ct loose
Sale price¥19,800
Sri Lankan Yellow Sapphire 0.459ct Loose
Sale price¥12,800
Rubellite 0.549ct loose
Sale price¥19,800
Enstatite from Sri Lanka 2.095ct loose Japanese-German edition
Sale price¥15,800
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.