Montana Sapphire 0.275ct Loose (Blue Sapphire)
Sale price¥8,800
Madagascar Purple Sapphire 0.315ct Loose
Sale price¥12,800
Synthetic black opal 1.209ct loose stone
Sale price¥18,800
Pt950 Sri Lankan purple sapphire 0.318ct and blue sapphire earrings
Sale price¥39,800
Pt950 Colombian Euclase 0.07ct Diamond Ring
Sale price¥89,800
Sri Lankan Blue Sapphire 0.251ct Loose
Sale price¥12,800
Madagascar Blue Sapphire (Ice Blue) 0.584ct Loose
Sale price¥19,800
Synthetic black opal 2.996ct loose stone
Sale price¥29,800
Mexican Fire Opal (Faceted Cut) 0.525ct Loose
Sale price¥12,800
Mexican Fire Opal (Faceted Cut) 0.918ct Loose
Sale price¥12,800
Mexican fire opal (faceted cut) 0.387ct loose stone
Sale price¥14,800
Madagascar Green Sapphire 0.435ct Loose
Sale price¥13,800
Mexican Cantera Opal 3.167ct loose stone (faceted cut)
Sale price¥12,800
Mexican Cantera Opal 2.038ct Loose
Sale price¥29,800
Mexican Cantera Opal 3.176ct Loose
Sale price¥39,800
Diamond 0.169ct loose (F, VS2)
Sale price¥18,800
Mexican Hyalite Opal 5.0mm/0.378ct Loose Stone
Sale price¥11,000
Mexican Hyalite Opal 4.8mm/0.304ct Loose Stone
Sale price¥9,800
Mexican Hyalite Opal 5.2mm/0.439ct Loose Stone
Sale price¥12,800
Mexican Hyalite Opal 6.1mm/0.652ct Loose Stone
Sale price¥25,800
Mexican Hyalite Opal 6.9mm/1.134ct Loose
Sale price¥25,800
Mexican Hyalite Opal 4.9mm/0.348ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.349ct Loose
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.318ct Loose
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.209ct Loose
Sale price¥15,800
Sapphire 0.328ct loose stone
Sale price¥12,800
Mexican Cantera Opal 18.00ct Loose
Sale price¥29,800
South African Diamond Rough (Sawable) 0.107ct Rough Trigon
Sale price¥42,800
South African diamond rough stone 0.210ct
Sale price¥8,800
Sri Lankan Star Sapphire 7.976ct Loose
Sale price¥98,000
Synthetic Black Opal 5.013ct Loose
Sale price¥59,800
Madagascar Blue Sapphire (Ice Blue) 0.263ct Loose
Sale price¥12,800
Madagascar pink sapphire 0.275ct loose stone
Sale price¥12,800
Madagascar Blue Sapphire (Ice Blue) 0.694ct Loose
Sale price¥18,800
Sri Lankan Blue Sapphire 4.3mm/0.371ct Loose Stone
Sale price¥12,800
Round Diamond 0.389ct Loose (Cabochon Cut)
Sale price¥39,800
Synthetic Opal 2.026ct Loose
Sale price¥19,800
Mexican Cantera Opal 14.458ct loose stone (faceted cut)
Sale price¥14,800
Mexican Fire Opal (Faceted Cut) 0.608ct Loose
Sale price¥12,800
Mexican Opal (Faceted Cut) 0.496ct Loose
Sale price¥9,800
Mexican Cantera Opal 6.112ct Loose
Sale price¥59,800
South African diamond rough stone 0.330ct
Sale price¥5,980
Sri Lankan bicolor sapphire 0.304ct loose stone
Sale price¥14,800
Mexican Fire Opal 1.610ct Loose (Contralus Opal)
Sale price¥19,800
Mexican Fire Opal 1.330ct Loose (Contralus Opal)
Sale price¥19,800
Australian Boulder Opal 12.220ct Loose
Sale price¥12,800
Australian Boulder Opal 41.770ct Loose
Sale price¥29,800
Ethiopian Opal 1.014ct Loose
Sale price¥3,980
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.