Cz Cocktail Engagement Ring, Size 7, Silver tone

Cz Cocktail Engagement Ring, Size 7, Silver Tone Beautiful Cz Faux Diamond engagement type ring. Perfect for travel or everyday wear. The cut most closely resembles a cushion cut but the "stone" is more oval shape. I'm no expert so don't hold me to this. I'm guessing it would be about 4-5 carat equivalent. I included pictures for size reference, the coin is a dime.