18K DIAMOND & BLACK ENAMEL RING BY OSCAR FRIEDMAN: .50 CT diamond is bezel set in the center of a rectangular tablet of black onyx. 36 round brilliant cut diamonds frame the tablet and cascade down the shoulders all set in 18K white gold. Total diamond weight approximates .74 CTW. Size 6.75. Signed Oscar Friedman. Total weight 4.5 grams. Sold with current Florida Diamond Appraisers GIA graduates appraisal for $3000.