[12560244] Bicolor Zoisite 0.508ct Loose Stone
Sale price¥7,980
Pigeon Blood Ruby 0.340ct Loose
Sale price¥59,800
[12559903] 2.991ct Brazilian Imperial Topaz Loose Stone
Sale price¥158,000
Pigeon Blood Ruby 0.280ct Loose
Sale price¥49,800
Cornflower blue sapphire 0.490ct loose stone
Sale price¥98,000
Royal blue sapphire 1.220ct loose stone
Sale price¥298,000
Brazilian alexandrite 0.091ct loose
Sale price¥15,800
Brazilian alexandrite 0.102ct loose
Sale price¥15,800
Brazilian Paraiba tourmaline 0.156ct raw stone (CuO:2.5%, MnO:0.5%)
Sale price¥15,800
Brazilian Paraiba tourmaline 0.448ct raw stone (CuO:2.7%, MnO:2.0%)
Sale price¥19,800
Brazilian Paraiba tourmaline 0.455ct raw stone (CuO: 0.9%, MnO: 2.2%)
Sale price¥15,800
Goethite in quartz 1.020ct loose
Sale price¥2,980
Pink tourmaline cat's eye 3.800ct loose
Sale price¥8,800
Brazilian Pink Imperial Topaz 2.794ct Loose Japanese-German Edition
Sale price¥128,000
Tanzanite 41.690ct loose
Sale price¥2,480,000
Color change Andesine 1.67ct loose
Sale price¥25,800
Color change Andesine 1.90ct loose
Sale price¥29,800
YAG (yttrium aluminum garnet) 7.3mm./2.150ct loose
Sale price¥12,800
YAG (yttrium aluminum garnet) 7.5mm/2.410ct loose
Sale price¥12,800
YAG (yttrium aluminum garnet) 1.870ct loose
Sale price¥9,800
Unheated sapphire 2.430ct loose GIA
Sale price¥298,000
Russian demantoid garnet (horsetail recognized) 4.6mm/0.425ct loose
Sale price¥69,800
Russian demantoid garnet (horsetail recognized) 5.2mm/0.633ct loose
Sale price¥198,000
Bicolor sapphire 0.856ct loose
Sale price¥18,800
Brazilian mint-colored emerald 0.945ct loose stone
Sale price¥25,800
Namibian Jeremejevite 0.245ct loose stone
Sale price¥79,800
Brazilian Bicolor Imperial Topaz 0.981ct Loose Stone
Sale price¥79,800
Brazilian Morganite 1.266ct loose stone
Sale price¥29,800
0.162ct loose blue sapphire from Madagascar
Sale price¥9,800
0.170ct loose blue sapphire from Madagascar
Sale price¥8,800
0.266ct loose blue sapphire from Madagascar
Sale price¥8,800
0.333ct loose sapphire
Sale price¥8,800
Blue sapphire 0.295ct loose stone
Sale price¥7,980
Pink sapphire 0.179ct loose stone
Sale price¥6,980
0.145ct loose pink sapphire from Madagascar
Sale price¥6,980
Mozambique pink sapphire 0.169ct loose stone
Sale price¥6,980
Brazilian Dumortierite in Quartz 0.978ct Loose Stone
Sale price¥12,800
Brazilian Dumortierite in Quartz 1.451ct Loose Stone
Sale price¥8,800
Brazilian Dumortierite in Quartz 1.911ct Loose Stone
Sale price¥8,800
Illusion Tourmaline (Iridescent Tourmaline) 1.356ct Loose Stone
Sale price¥39,800
Brazilian green tourmaline 0.374ct loose stone
Sale price¥9,800
Brazilian green tourmaline 0.755ct loose stone
Sale price¥18,800
Brazilian green tourmaline 0.194ct loose stone
Sale price¥12,800
Brazilian mint color tourmaline 0.145ct loose stone
Sale price¥8,800
Brazilian blue tourmaline 0.353ct loose
Sale price¥9,800
Congo Pink Tourmaline 5.0mm/0.463ct Loose Stone
Sale price¥24,800
Congo Pink Tourmaline 5.9mm/0.798ct Loose Stone
Sale price¥25,800
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.