Three different gemstones represent those born in December, all of which are beautiful shades of blue. Tanzanite, turquoise or zircon can all be found in December birthstone jewellery, each with unique qualities and energies. The most popular gemstone in December birthday jewellery is Tanzanite, boasting a velvety deep blue, purple appearance. It is associated with friendship and generosity, making December jewellery a great gift for a loved one. Ranging from rings to earrings, we provide a stunning collection of birthstone jewellery for December birthdays here at Miltons Diamonds.