A 16.9-carats diamond ring highlights Bonhams New York Fine Jewelry sale on September 19. According to Bonhams, the step-cut diamond is set with round brilliant-cut diamond shoulders and is estimated at $1,600,000-2,200,000.
The diamond is certified as D color, Internally Flawless and classified as Type IIa. According to Susan Abeles, Head of Jewelry, Bonhams US, “Type IIa diamonds make up less than two per cent of all natural diamonds and are extremely rare […]”.
Bonhams’ sale will feature 180 lots. The second notable lot is a sapphire and diamond ring. The oval-shaped sapphire weighs 7.54 carats and is set within a surround of round brilliant-cut diamonds. It is estimated at $375,000-575,000.
