One Antiques Roadshow guest had the ‘best day ever' as a stunning necklace was valued at tens of thousands more than she ...

She upped the ante with her jewelry, which included layers and layers of green Colombian emeralds from Lorraine Schwartz ...

Rodrigo Giraldo, the founder and director of the Laboratory of Gemology RG, a leading specialist in Colombian emeralds clarifies, "In Colombia, only three types of treatments are used ...

It carried 200 tons of silver and emeralds, 11 million gold coins, and porcelain pottery, Colombian Navy divers said in June 2022, according to ABC News. Only 11 individuals survived the incident.