PLATINUM PINK SAPPHIRE & DIAMOND RING: 1.57 CT pink-purple sapphire is set within a tiered diamond bezel and supported by an elaborate lattice under gallery and diamond set shoulders. 46 prong set round brilliant cut diamonds approx .72 CTW. Size 6.75. Weight 4.00 grams. Sold with American International Gemologists appraisal for $6485 dated October 16, 2018.