A solitaire necklace makes an amazing birthstone necklace, and for the month of December, this amazing 14k solid gold necklace with natural blue topaz. One beautiful oval cut stone is the centerpiece of this classic necklace. 3.12 carats show off the beautiful blue hues of this amazing stone, loved for its stylish and bright color. The solitaire is hung from an 18 inch rope chain that continues on the traditional look of this piece and is available in your choice of 14k solid yellow, white, or rose gold to suit your own personal tastes and style.