5.0dwt / 7.77 Grams. Main Stone Shape: Round. Main Stone Creation: Natural. Diamond Color Grade: J – K. Diamond Clarity Grade: Included (I1). Total Carat Weight: 0.25ctw. 35.8mm x 23.2mm x 5.1mm. Each preowned estate piece of fine jewelry is assessed by a Graduate Gemologist and professionally renewed and polished for you.