Center Stone Type: Emerald-cut Clear QuartzCenter Stone Weight & Size: 16cttw, 20x14mmDiamond Pave' Weight: .53cttwRing Dimensions: 26mm overall length of head, 19mm overall width of head, 11mm overall height from bottom of gallery to top of stoneMaterial: 100% Recycled, Nickel Free, Platinum Plated for Tarnish Resistance & Rhodium Plated to Achieve a High Luster Finish