Pearl farmers wait anywhere from six months to ... High-quality black opal can cost over $10,000 per carat, making it one of the world's most expensive gemstones. Over 90% of black opals come ...

A jewelry item that today's working women might take for granted, a 16-inch strand of perhaps 50 pearls, often costs between $500 and $5,000. At the height of the Roman Empire, when pearl fever ...

With a cost of USD 160, the Nike KD 17 “Aunt Pearl” is priced similarly to previous models in the series, maintaining an ...