Cambodian colorless zircon 1.407ct loose stone
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 4.5mm/0.328ct 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 1.530ct Loose Stone
Sale price¥29,800
Brazilian Paraiba Tourmaline in Quartz 7.9mm/1.133ct Loose Stone
Sale price¥22,800
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
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
Mozambique Rhodolite Garnet 5.7mm/1.188ct Loose Stone
Sale price¥12,800
Brazilian Rutile Cat's Eye 3.306ct Loose Stone (Red Rutile Quartz)
Sale price¥16,800
Sri Lankan Blue Sapphire 4.2mm/0.333ct Loose Stone
Sale price¥12,800
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
Madagascar Bicolor Sapphire 0.626ct Loose
Sale price¥29,800
Brazilian pyrite in quartz 57.230ct loose stone
Sale price¥25,800
Sri Lankan bicolor sapphire 0.484ct loose stone
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.794ct Loose Stone
Sale price¥15,800
Brazilian rutilated quartz (rutilated quartz) 7.741ct loose stone
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.474ct Loose
Sale price¥15,800
Brazilian Sky Blue Topaz (untreated) 2.560ct loose stone
Sale price¥12,800
Australian black opal 0.544ct loose stone
Sale price¥18,800
Synthetic Alexandrite 0.570ct loose stone
Sale price¥18,800
Pyrope Almandine Garnet 2.514ct Loose Stone
Sale price¥29,800
Mozambique Rhodolite Garnet 1.146ct Loose Stone
Sale price¥12,800
Brazilian Lepidocrocite in Quartz 9.0mm/2.735ct Loose Stone
Sale price¥14,800
Mexican Fire Opal (Faceted Cut) 0.934ct Loose
Sale price¥25,800
Mongolian color change andesine 1.486ct loose stone
Sale price¥18,800
Tanzanite 1.055ct loose stone
Sale price¥29,800
Brazilian Dumortierite in Quartz 3.188ct loose stone (faceted cut)
Sale price¥12,800
Mexican Hyalite Opal 3.917ct Loose
Sale price¥15,800
Afghanistan Lazurite in Sodalite 0.581ct Loose Stone
Sale price¥18,800
Sri Lankan zircon 3.614ct loose stone
Sale price¥29,800
Madagascar Golden Iolite (Cordierite) 7.6mm/1.477ct Loose Stone
Sale price¥29,800
Dendritic Opal 3.041ct Loose
Sale price¥18,800
Madagascar Purple Sapphire 4.5mm/0.435ct Loose Stone
Sale price¥18,800
Madagascar Purple Sapphire 4.5mm/0.393ct Loose Stone
Sale price¥18,800
Sri Lankan saffron 0.121ct loose stone
Sale price¥18,800
Tanzanian bicolor tanzanite 1.284ct loose stone
Sale price¥29,800
Namibian Jeremejevite 0.127ct loose stone
Sale price¥29,800
Oregon Sunstone from the United States 1.951ct loose stone
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.