14kt gold necklace with topaz and diamonds

Material: 14kt yellow gold (585/1000). Made in the USA. Stone I: blue topaz, prong setting, asscher-cut. Stone I carat total weight (ctw): 11. 65. Stone II: diamonds, pavé setting, SI clarity grade. Stone II carat total weight (ctw): 0. 036. Closure: lobster-clasp fastening. Yellow gold.