Vintage art deco era ladies bow style ring is crafted of solid 18 karat white gold. The ring features a combination of old European and single-cut genuine diamonds. I estimate total carat weight at approximately 1.50 carats. The ring weighs 9.40 grams. Although not marked, item has been tested for gold content. The ring is a size 7 1/2 and the dimensions are 0.38" (25mm), left to right and 0.44" (11mm) top to bottom.