Narrator: High-quality black opal can cost over $10,000 per carat, making it one of the world's most expensive gemstones. But mining black opal isn't easy. After investing tens of thousands of ...

One factor is whether it's natural or cultured ... The shinier the pearl, the better. Black opal is one of the rarest gemstones in the world, sought after for its seemingly infinite display ...

Astrological birthstones, believed to enhance one's inherent traits, are explored for each zodiac sign. From Aries' diamond ...

Its symptom is a relentless pursuit of opal, which is Australia's national gemstone. For Mr Dunstan that moment happened at age 14 back in 1965 when he found his first opal. "It's a lifestyle for ...

has returned with its newest footwear offering: an opal gemstone-filled hiking boot made in collaboration with Italian footwear purveyor Diemme. The head-turning model boasts a fuzzy suede upper ...