Three heart-shaped diamonds, just in time for the holiday gifting season are as follows: * A 1.71-carat heart-shaped fancy red diamond ... and abstract works of art (estimate $500,000 - $750,000).

They own MotoArt, a company based in California that turns old aircraft parts into high-end furniture and functional art. From beds and ... us a little piece of heart that we are able to recycle ...

Combined, their high estimate is $18.5 million. The first is a 5.04-carat fancy vivid blue heart modified brilliant-cut diamond. The gem has a VS2 clarity grade, according to its lab report.

As the ultimate symbol of love, the heart motif has long been a go-to symbol ... with Colombian emeralds and Burmese rubies as well as fancy coloured diamond hearts,” said Jonathan Abram ...