COUR DIAMOND ENGAGEMENT 18K WHITE GOLD RING BY MIKE NEKTA GIA CERTIFIED Center Diamond: Carat Weight: 4.5 Carats Color: D* Clarity: IF INTERNALLY FLAWLESS Style: PEAR SHAPE Measurements: 10.2 x 11.4 x 6.5 mm *Color Treated Ring: Metal: 18K WHITE GOLD Style: 3 Prong Sidestone Ring Size: Can be adjusted to any size