Diamond engagement ring

size 6.5 14kt White gold diamond ring with 0.45 carat round brilliant cut center stone. 6 round diamonds in milgrain finish on each side (12 diamonds = 0.48ct). Diamond halo of 8 stones that total 0.04ct, and 6 additional round diamonds between the prongs with a carat weight of 0.05. Total carat weight of 1.02. Main diamond is an I color with SI2 grading. Have an appraisal from January for $4,145.00