David Yurman white agate diamond cocktail ring crafted in 18 karat yellow gold. The ring features a faceted white agate gemstone with 14 round brilliant cut diamond accents. The diamonds weigh approximately .50 CTW and are graded G-H color and SI1 clarity. Yurman's cable classic hallmark shank is currently size 6.75 (can be sized), and the top measures 20 x 28mm. Signed DY 750. Weight: 27.6 grams.