size 7.5 prong set and centrally located at the top of the ring is one cushion shape lab diamond measuring 7.15×5.75×4.31 mm and weighing 1.63 carat. The color is F while the clarity is VVS2. Bright set beneath the seat of the center stone, down the shoulders and sides of the ring are total of 146 round brilliant cut lab diamonds measuring .90-1.4mm and have estimated total weight 71/100 carat. The color is F or better while the clarity is VS1 or better