A very rare, 21.52-carat Colombian “no oil” emerald-and-diamond ring will lead Phillips' sale of jewels and jadeite in Hong Kong next month, with a presale estimate of between HK$7.5 million and ...

What happens when you let ten leading jewelry designers loose with a pile of dazzling Colombian emeralds? A powerhouse roster of female American jewelry designers shows us how beautiful it can be to ...

Several groundbreaking designers have come together to create a collection of one-of-a-kind jewelry containing prized Colombian emeralds. The capsule collection includes pieces from Aman Itomi, ...

The Sotheby’s Magnificent Jewels sale, set for June 7 in New York, is brimming with high-level gemstones, including a 53-carat flawless diamond, and several colored diamonds—including a rare ...