Antique 1.60 Carat Old Mine Cut Diamond and Side Emerald Platinum Engagement Ring

From an estate, this lovely one-of-a-kind vintage old mine cut engagement ring, circa 1920's, features an old mine cut diamond of K color and I1 clarity totaling approximately 1.60 carat. Two natural triangle cut emeralds and 12 single cut diamonds set in a nature-inspired leaves pattern with mill grain edging frame the center stone for an incredible show of brilliance. Size 5.