tanzanite diamond ring

This most unusual ring displays a beautiful sensuous tanzanite set in satin finished white gold and diamonds. The tanzanite is set in an east/west design. It is set atop an elaborate crown of white gold encrusted with diamonds. The tanzanite is approximately 2.5 cts of velvety bluish purple in marquese cut. There are 48 round brilliant cut diamond totaling approximately .60 cts. The diamonds are HI color and SI1 and SI2 clarity. The setting measures 19.5 mm east to west and 9.3 north to south. The setting rises 6.5 mm above the finger. The ring is currently size 7