This is a beautiful antique platinum engagement ring. The ring is set with a sparkling EGL certified old mine brilliant cut diamond that weighs 1.28ct. The color of the diamond is F with SI1 clarity. The center diamond is accentuated by dazzling diamond accents. The ring is 5 3/4 but it can be resized. Accordingly, the Universal Gemological Services (UGS)estimated retail replacement value of the center diamond is for $15,160.