PLATINUM ALEXANDRITE & DIAMOND RING: 1.24 CT oval mixed cut alexandrite is set within a tiered diamond bezel supported by a lattice under gallery and diamond set shoulders. Size 7. 48 prong set round brilliant cut diamonds approx 1.36 CTW, are SI1-I1 in clarity and G-H in color. Sold with GIA certificate 6197297093 and American International Gemologists appraisal for $12,100.