Of all exquisite gems, pearls stand out, yet are often underestimated. While other precious rocks, from diamonds to rubies, need man and machine to turn them into sparkling pieces of jewellery, a perfectly round and lustrous pearl is a work of art solely created by nature.
Pearl oysters in baskets under the sea.
"Pearls are not fully understood, and yet they are among the popular gemstones," says Kenneth Scarratt, the Gemological Institute of America's managing director for Southeast Asia and director of the GIA Laboratory in Bangkok.
This article is older than 60 days, which we reserve for our premium members only.You can subscribe to our premium member subscription, here.