Topaz & .15TCW Diamond Necklace

14K white gold topaz & diamond pendant on a 10K white gold box chain.  4.5 grams. Set is one oval cut Swiss blue topaz, 11x9mm & single cut diamonds, .15pts, I clarity, GHI color.  Approx .75 inch in length.  Box chain is 16 inches in length.
Appraised Value $2450