14k white gold over solid sterling silver diamonds and 2.5 CTW Sapphire. Natural

gemstone Diamond - color I near colorless. clarity 13. CTW 0.010 CTW. cut round cut. gemstone sapphire color blue gem grade AA. CTW 2.500 CTW. cut marquise cut. plating material white gold. plating material karat 14k. primary material sterling silver. primary material weight 4.10 g. size 7. overall weight 4.60 g. fine jewelry. natural and unenhanced. brought it from a well known reputable jewelry dealer and I have the receipt with my name and the piece in question