18k gold plated Diamond and Sapphire Earrings

Brand new, never worn. 18K Yellow Gold Over Solid Sterling Silver Diamonds and 1.20 CTW Sapphire Designer Earrings Gemstone: Diamond Color: I - Near Colorless Clarity: SI2 CTW: 0.050 CTW Cut: Round Cut Gemstone: Sapphire Color: Black Gem Grade: AA CTW: 1.200 CTW Cut: Round Cut Material Information Plating Material: 18k Yellow Gold Primary Material: Sterling Silver Primary Material Weight: 1.40 g Stamp on back says 925, indicating sterling silver