This is a 0.77ct Marquise Cut diamond with a color grading of E, suggesting exceptional whiteness. The clarity quality is assessed at SI2 according to the Gemological Institute of America (GIA); indicating slight inclusions that are noticeable under 10x magnification but may not affect the diamond's overall appearance. The GIA certificate number is 5221002676, offering assurance of the diamond's authenticity and quality. This marquise-cut diamond offers both size and quality for those seeking a balance between cost and aesthetics.