Dominican Republic Conch Pearl 0.818ct Loose
Sale price¥8,800
Dominican Republic Conch Pearl 1.990ct Loose (with flame pattern)
Sale price¥29,800
Amazon Green Opal 7mm/0.88ct Loose
Sale price¥7,980
Colombian emerald 10.940ct rough stone
Sale price¥69,800
Madagascar Bicolor Sapphire 0.626ct Loose
Sale price¥29,800
Colombian mica in emerald 1.940ct loose
Sale price¥49,800
Ethiopian Opal 1.521ct Loose
Sale price¥3,980
Ethiopian Opal 1.014ct Loose
Sale price¥3,980
Brazilian cat's eye emerald 4.070ct loose stone
Sale price¥198,000
Burmese Ruby 3.725ct Loose GIA & Chuho
Sale price¥198,000
Thai Pigeon Blood Ruby 0.380ct Loose AIGS
Sale price¥59,800
Australian Iron Opal 17.450ct Loose
Sale price¥12,800
Australian Boulder Opal 41.770ct Loose
Sale price¥29,800
Australian Boulder Opal 15.020ct Loose
Sale price¥18,800
Australian Boulder Opal 12.220ct Loose
Sale price¥12,800
Mexican Fire Opal 1.330ct Loose (Contralus Opal)
Sale price¥19,800
Mexican Fire Opal 1.610ct Loose (Contralus Opal)
Sale price¥19,800
Sri Lankan bicolor sapphire 0.304ct loose stone
Sale price¥14,800
Diamond 3.3mm/0.131ct Loose (G, VS-1, EXCELLENT Heart & Cupid)
Sale price¥25,800
South African diamond rough stone 0.330ct
Sale price¥5,980
Mexican Cantera Opal 6.112ct Loose
Sale price¥59,800
Sri Lankan Blue Sapphire 4.6mm/0.396ct Loose
Sale price¥12,800
Sri Lankan Blue Sapphire 4.2mm/0.333ct Loose Stone
Sale price¥12,800
Colombian emerald cat's eye 0.421ct loose stone
Sale price¥12,800
Colombian emerald cat's eye 0.217ct loose stone
Sale price¥9,800
Colombian emerald cat's eye 3.6mm/0.179ct loose stone
Sale price¥8,800
Mexican Opal (Faceted Cut) 0.496ct Loose
Sale price¥9,800
Mexican Fire Opal (Faceted Cut) 0.608ct Loose
Sale price¥12,800
Mexican Cantera Opal 14.458ct loose stone (faceted cut)
Sale price¥14,800
Synthetic Opal 2.026ct Loose
Sale price¥19,800
Sri Lankan Yellow Sapphire 0.403ct Loose
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.407ct Loose
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.250ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.223ct Loose
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 Blue Sapphire (Ice Blue) 0.694ct Loose
Sale price¥18,800
Madagascar pink sapphire 0.275ct loose stone
Sale price¥12,800
Madagascar Blue Sapphire (Ice Blue) 0.263ct Loose
Sale price¥12,800
Australian white opal 2.318ct loose
Sale price¥12,800
South African diamond rough (sawable) 0.103ct rough (with trigon)
Sale price¥24,800
Opal 1.242ct loose stone
Sale price¥19,800
Madagascar Bicolor Sapphire 0.298ct Loose (Padparadscha Color)
Sale price¥35,800
Synthetic Black Opal 5.013ct Loose
Sale price¥59,800
Sri Lankan star sapphire 1.773ct loose
Sale price¥9,800
![[On sale from 10pm on 5/11] Madagascar bicolor sapphire 0.263ct loose stone (Padparadscha color)](http://store.karatz.jp/cdn/shop/files/P6290214_0a2f3276-e024-4679-9d97-b36ae25068c8.jpg?v=1749163100&width=4000)
Black star sapphire 0.930ct loose
Sale price¥6,980
Unheated Color Change Blue Sapphire 1.450ct Loose GIT
Sale price¥158,000
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.