Sapphire and diamonds in gold

An oval sapphire estimated to weigh 2.20 carats is centered in a diamond frame, further accented by 22 round and 10 baguette-shaped diamonds.  We estimate the total diamond weight to be 2.00 carats.  The ring measures 8mm in width; the top of the ring measures 12.5 by 13 mm, and the ring is made for a finger size 7 ½.   It may be sized up or down by about one size.