The round earrings have the David Yurman DY Mark and 925 for sterling and the center circle measures 11 mm . The center circle and side accents have been tested with nitric acid and "kee" tester to be 14k solid yellow gold.  Together they weigh 13.6 grams. Each  measures 7/8" in diameter and come with omega backs for pierced ears. They are in nice condition and could use a cleaning.