2.90 MM Round Shape Emerald and 2 1/2 Ctw Round Cut Diamond Precious Necklace in 14K Yellow Gold28 round cut diamonds in bezel settings create an elegant continuous procession of luminous stations along this round shape gemstone and diamond necklace, each diamond cradled in a smooth gold rim that presents its facets with clean, warm radiance. 29 precious emerald rounds of 2. 90 MM in prong settings alternate with the diamonds, their vivid green depth introducing rich, chromatic presence that creates a striking 2 material dialogue of diamond