If you're looking for a special gift for a December birthday that will stand the tests of time, look no further than this pretty birthstone jewelry. Not to be confused with synthetic cubic ...

One of December’s birthstones — the other is turquoise ... johnhardy.com This stunning high-jewelry necklace from Bulgari showcases the clarity of tanzanite, which rarely has visible ...

Turquoise is one of December ... December birthstone is tanzanite — and today’s designers are taking the robin’s-egg blue stone out of the southwest and into contemporary jewelry.