5 of The World’s Most Famous Gemstones5 Of The World’s Most Famous Gemstones The “La Peregrina” Pearl This pearl has 500 years of history in its owners that include Spanish, French, and English kings and queens. It was once owned by the actress Elizabeth Taylor who received it as a gift from her actor husband Richard Burton. This large pear-shaped white nacreous pearl had an original weight of 223.8 grains (55.95 carats). In 1913 after the pearl was drilled, cleaned, and polished, it had a weight of 203.84 grains and remains one of the largest pear-shaped pearls ever discovered. thsi pearl was photographed for its 2011 Auction by Christies.