JIL -CUSHION CUT HALO DIAMOND ENGAGEMENT RING BY MIKE NEKTA CERTIFIED Center Diamond:Carat Weight: 4 Carats Color : F Clarity: VS2 Style: CUSHION CUT Approximate Measurements: Ring: Metal: 18K WHITE GOLD Style: HALO DIAMOND SIDESTONE RING, MICRO PAVE SPLIT SHANK Diamonds: 0.84 carats Size: Can be adjusted to any size.