Trilogy Emerald Ruby Platinum Ring, £2,950, Fenton SHOP NOW. All of Fenton's gemstones are of a high grade and have been sourced from world leaders in ethical mining standards, such as Sri Lanka ...

An 11.86-carat emerald-cut D color diamond ring by Van Cleef and Arpels fetched $810,000, more than double its high estimate. Ruby and Diamond 'Honeycomb Heart' pendant-brooch by Salvador Dali ...

In Bulgari High Jewelry Polychroma collection necklace, featuring a pear ruby worth 12.29 carats; ... Square-cut emerald ring, featuring carved rock crystal and brilliant-cut diamonds.

An iconic emerald engagement ring featuring an almost 20-carat stone was owned by Wallis Simpson, the Duchess of Windsor, who married the former King Edward VIII in 1937.