Mexican Cantera Opal 5.261ct Loose
Sale price¥49,800
Brazilian copper rutilated quartz 0.862ct loose stone
Sale price¥7,980
Sri Lankan sapphire 0.211ct loose stone
Sale price¥8,800
Zambian emerald 0.099ct loose stone
Sale price¥9,800
Zambian Emerald 3.7mm/0.215ct Loose (Silky Emerald)
Sale price¥9,800
Mexican Fire Opal 0.343ct Loose
Sale price¥15,800
Sri Lankan White Sapphire 4.0mm/0.275ct Loose
Sale price¥12,800
Mexican Opal 3.8mm/0.157ct Loose
Sale price¥6,980
Sri Lankan Blue Sapphire 0.344ct Loose
Sale price¥12,800
Madagascar Yellow Sapphire 0.571ct Loose
Sale price¥14,800
Madagascar pink sapphire 0.594ct loose stone
Sale price¥14,800
Madagascar sapphire 0.647ct loose stone
Sale price¥14,800
Madagascar sapphire 0.564ct loose stone
Sale price¥12,800
South African diamond rough (sawable) 0.112ct rough
Sale price¥44,800
South African diamond rough (sawable) 0.091ct rough (trigon)
Sale price¥35,800
Colombian pyrite in emerald 15.291ct loose
Sale price¥1,000,000
Brazilian copper rutilated quartz 6.8mm/1.206ct loose stone
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.282ct Loose
Sale price¥12,800
Yellow Diamond (Cabochon Cut) 0.185ct Loose
Sale price¥25,800
Colombian Trapiche Emerald 0.923ct Rough Stone
Sale price¥45,800
Ethiopian Opal 41.967ct Rough Stone
Sale price¥33,800
Ethiopian Opal 15.845ct Rough Stone
Sale price¥15,800
Ethiopian Opal 14.344ct Rough Stone
Sale price¥14,800
Silky pink sapphire from Madagascar 0.445ct loose stone
Sale price¥12,800
Brazilian copper rutilated quartz 1.374ct loose stone
Sale price¥6,980
Brazilian copper rutilated quartz 1.657ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 2.211ct loose stone
Sale price¥12,800
Brazilian copper rutilated quartz 1.376ct loose stone
Sale price¥9,800
Brazilian copper rutilated quartz 2.073ct loose stone
Sale price¥9,800
Brazilian copper rutilated quartz 1.643ct loose stone
Sale price¥12,800
Brazilian copper rutilated quartz 1.507ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.354ct loose stone
Sale price¥9,800
Diamond (cabochon cut) 0.233ct loose
Sale price¥39,800
Mexican Hyalite Opal 6.1mm/0.810ct Loose
Sale price¥15,800
Mexican Hyalite Opal 6.0mm/0.676ct Loose Stone
Sale price¥15,800
Mexican Hyalite Opal 5.0mm/0.449ct Loose Stone
Sale price¥9,800
Australian black opal 4.528ct loose
Sale price¥39,800
Bicolor sapphire 0.481ct loose
Sale price¥25,800
Mexican Fire Opal 1.135ct Loose
Sale price¥9,800
Silky sapphire from Sri Lanka 0.975ct loose
Sale price¥8,800
Tanzanian Purple Sapphire 0.681ct Loose Stone (Color Shift)
Sale price¥19,800
Madagascar pink sapphire 0.527ct loose stone
Sale price¥18,800
Madagascar pink sapphire 0.335ct loose stone
Sale price¥14,800
Madagascar Purple Sapphire 0.429ct Loose
Sale price¥12,800
Mexican Cantera Opal 10.927ct Loose
Sale price¥18,800
Mexican Cantera Opal 19.732ct Loose
Sale price¥24,800
Synthetic Opal (Synthetic Black Opal) 1.467ct 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.
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.