Jef Hoo is committed to providing jewelry that is not only unique with the highest level of craftsmanship but also environmentally sustainable and socially responsible. Jef Hoo exclusively uses Hoover & Strong’s Harmony Metals which means that precious metals are 100% recycled, diamonds and gemstones are conflict-free and fair trade. Jef Hoo believes in providing environmentally responsible products that contributes to the preservation of our planet’s resources.