Paraiba tourmaline from Brazil 0.217ct loose (CuO:1.5%, MnO:0.5%)
Sale price¥39,800
Sri Lankan bicolor sapphire 0.304ct loose stone
Sale price¥14,800
South African diamond rough stone 0.330ct
Sale price¥5,980
Mozambique Almandine Garnet 0.477ct Loose Stone
Sale price¥8,800
Mexican Opal (Faceted Cut) 0.496ct Loose
Sale price¥9,800
Blue beryl (Macis beryl) 0.250ct loose stone
Sale price¥12,800
Round Diamond 0.389ct Loose (Cabochon Cut)
Sale price¥39,800
Sri Lankan Blue Sapphire 4.3mm/0.371ct Loose Stone
Sale price¥12,800
Madagascar pink sapphire 0.275ct loose stone
Sale price¥12,800
Madagascar Blue Sapphire (Ice Blue) 0.263ct Loose
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 4.5mm/0.309ct Loose Stone
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 4.3mm/0.292ct Loose Stone
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 4.5mm/0.328ct Loose Stone
Sale price¥12,800
American Benitoite 3.5mm/0.192ct Loose Stone (Contains Minerals)
Sale price¥69,800
South African diamond rough stone 0.210ct
Sale price¥8,800
South African Diamond Rough (Sawable) 0.107ct Rough Trigon
Sale price¥42,800
Pakistani Veirinite 0.173ct loose stone with certificate
Sale price¥45,800
Pakistani Veirinite 0.157ct loose stone with certificate
Sale price¥39,800
Brazilian Dumortierite in Quartz 0.482ct loose stone (faceted cut)
Sale price¥5,980
Brazilian Dumortierite in Quartz 0.313ct loose stone (faceted cut)
Sale price¥6,980
Brazilian Dumortierite in Quartz 0.154ct loose stone (faceted cut)
Sale price¥9,800
Sapphire 0.328ct loose stone
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.209ct Loose
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.318ct Loose
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.349ct Loose
Sale price¥15,800
Brazilian Paraiba tourmaline 0.184ct raw stone (CuO:1.5%, MnO:0.6%)
Sale price¥12,800
Brazilian Paraiba tourmaline 0.180ct raw stone (CuO:1.8%, MnO:0.1%)
Sale price¥12,800
Brazilian Euclase 5.0mm/0.492ct Loose Stone
Sale price¥9,800
Namibian Jeremejevite 0.153ct loose stone by Nikkei
Sale price¥15,800
Mexican Hyalite Opal 4.9mm/0.348ct Loose
Sale price¥12,800
Mexican Hyalite Opal 5.2mm/0.439ct Loose Stone
Sale price¥12,800
Mexican Hyalite Opal 4.8mm/0.304ct Loose Stone
Sale price¥9,800
Mexican Hyalite Opal 5.0mm/0.378ct Loose Stone
Sale price¥11,000
Indian Moss Agate 0.387ct Loose Stone
Sale price¥8,800
Indian Moss Agate 0.301ct Loose Stone (Princess Cut)
Sale price¥6,980
Brazilian Aquamarine 0.499ct Loose Stone
Sale price¥7,980
Brazilian Aquamarine 0.362ct Loose Stone
Sale price¥8,800
Brazilian Dumortierite in Quartz 0.368ct loose stone
Sale price¥12,800
Turkish pink diaspore 0.194ct loose stone
Sale price¥9,800
Turkish pink diaspore 0.171ct loose stone
Sale price¥8,800
Turkish pink diaspore 0.151ct loose stone
Sale price¥8,800
Brazilian Madeira Citrine 4.7mm/0.414ct Loose Stone
Sale price¥8,800
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.