This is an amazing 18k white gold engagement ring from the 1920s. The ring is centered with a sparkling GIA certified old mine cut diamond that weighs 0.53ct. The color of the diamond is G with VS1 clarity. The center diamond is accentuated by lovely sapphire accents. The ring has an amazing engraving, milgrain and open work design. The ring is size 9 3/4 but it can be resized. The ring is stamped 18K and weighs 2.5 grams.