HEPA -OVAL CUT HALO DIAMOND ENGAGEMENT RING BY MIKE NEKTA GIA CERTIFIED Center Diamond:Carat Weight: 5.6 Carats Color : Y to Z Range Clarity: SI1 Style: OVAL BRILLIANT Approximate Measurements: 13.9 x 9.9 x 6.1 mm Ring: Metal: PLATINUM & 18K YELLOW GOLD Style: HALO DIAMOND RING, MICRO PAVE SPLIT SHANK Diamonds: 0.90 carats Size: Can be adjusted to any size. If you want to see more of big diamond jewelry, click here: https://www.nektanewyork.com/collections/big-diamond-jewelry