PLATINUM SAPPHIRE & DIAMOND RING SET: 10% Iridium Platinum engagement ring centered by one oval natural Sapphire approx 2.90 CT. Unheated with SI clarity.2 old European cut diamonds approx 0.77 CTW. H-I color/SI-2 and I-1 clarity. 4 old European cut diamonds approx 0.30 CTW. Platinum wedding ring has four square cut sapphires at 0.75 carat total weight and three old European cut diamonds at 0.12 carat total weight. Sold with current appraisal by Schuler Gemological Services for $15,200.