THESE ARE VERY HIGH QUALITY, LARGE DIAMOND STUD EARRINGS. THE DIAMONDS ARE 100% NATURAL GIA CERTIFIED DIAMONDS WITH EXCELLENT CUT GRADES AND IDEAL TABLE/DEPTH %. THESE DIAMONDS ARE PERFECTLY MATCHED AND SET IN 14K 3 PRONG MARTINI SETTINGS WITH SCREW BACKS. THE MARTINI SETTINGS ALLOW THESE LARGE DIAMOND STUDS TO SIT PERFECTLY ON THE EAR, AND WITH HEAVY DUTY SCREW BACKS YOU WILL NEVER HAVE TO WORRY ABOUT THE EARRINGS FALLING OFF. diamond specs: Stone Shape: Round Diamond Weight: 0.63ct Clarity: SI1 Color: G Measurements: 5.49-5.52x3.40mm Depth %: 61.7% Table %: 60% Cut: Excellent Polish: Very Good Symmetry: Very Good Fluorescence: None GIA Certificate #: 6127809027 Stone Shape: Round Diamond Weight: 0.59ct Clarity: SI2 Color: H Measurements: 5.44-5.45x3.34mm Depth %: 61.4% Table %: 54% Cut: Excellent Polish: Excellent Symmetry: Very Good Fluorescence: None GIA Certificate #: 2131521438