EMMA DIAMOND ENGAGEMENT PLATINUM RING BY MIKE NEKTA GIA CERTIFIED Center Diamond: Carat Weight: 4 Carats Color: E* Clarity: VVS1 Style: OVAL BRILLIANT Measurements: 12.2 x 8.4 x 5.3 mm *Treated Color Ring: Metal: PLATINIUM Style: Three Stone Half moon Ring Size: Can be adjusted to any size