VINTAGE 18K DIAMOND & RUBY RING: A single native cut ruby is rated SI in clarity and centers this lovely ring. 9 old mine cut diamonds approx 1.25 CTW rated VS-SI in clarity and H-I in color. Total weight 4.9 grams. Ca 1900-1910. Sold with current Florida Diamond Appraisers GIA graduates appraisal for $5250.