Lynn Yaeger is a native New Yorker and a contributing editor at Vogue and Vogue.com. When she is not writing about fashion, she can be found haunting flea markets all over the world.

This 15th-16th century icon of Mexican (Aztec) art, was probably worn on the chest on ceremonial occasions. ©The Trustees of the British Museum Turquoise is one of the world’s most ancient gems.

This 18-karat gold collar, designed by Pierre Touraine, is set with a turquoise cabochon of fine texture and color. - Gift of Touraine Family Trust Turquoise is found in only a few places on earth: ...

The 24-Day Luxury Jewellery Advent Calendar, which is available in teal or black, is worth £79.99 but shoppers can snag it ...