However, both natural and cultured pearls come in various colors of the rainbow — from white to black — including blue, green ...

While their appearance, baroque shapes, and white to strong yellow (golden) colors indicated they were typical saltwater Pinctada maxima pearls, their internal structures revealed clear boundaries ...

Cultured pearls come in different sizes, shapes, and colors. Perhaps the best-loved gems of all time, pearls—both natural and modern cultured pearls—occur in a wide variety of colors. The most ...

Narrator: That's Tom Moses. He's a gemologist at the Gemological Institute of America where he oversees diamond grading, colored stone identification, and pearl identification. He says that part ...

The shinier the pearl, the better. Black opal is one of the rarest gemstones in the world, sought after for its seemingly infinite display of colors, compared to common opal, which is usually one ...

white pearl strands grandma used to wear to a world of shapes, sizes, colors and prices to satisfy every taste and budget,” concluded a study on the pearl jewelry market by MVEye and the ...

“The value of the golden South Sea Pearl depends primarily on its color, with the deepest golden pearls being the most valuable,” Rbibo wrote. “These are often referred to as the 24-karat ...