18K YELLOW SAPPHIRE AND DIAMOND RING: 18K white gold ring, containing 54 round, brilliant-cut and 2 rectangular, brilliant-cut diamonds. The ring features a yellow sapphire, which is prong set. The diamonds are prong and channel set. Signed: ''Oscar Friedman''. Total weight: 3.6 grams. Ring size: 7. Sold with current Florida Diamond Appraisers appraisal for $4,550.