CERES 14 CARAT RADIANT CUT BIG DIAMOND ENGAGEMENT RING PLATINUM BY MIKE NEKTA GIA CERTIFIED Center Diamond: Carat Weight: 13 Carats Color : K Clarity: SI2 Style: RADIANT CUT-CORNERED RECTANGULAR MODIFIED BRILLIANT Approximate Measurements: 14.6 x 12.7 x 8.8 mm Ring: Metal: PLATINUM Style: THREE STONE TRAPEZOID RING 4 PRONG SET Diamonds: 1.38 Carats Size: Can be adjusted to any size.