This is an unusual piece by the famed house of Van Cleef & Arpels and is no longer being made by them. The choker-style necklace is composed of links resembling clouds interspersed with quatrefoil links, inlaid with grey and white mother-of-pearl, the front set with approximately 2.40 carats of bright round diamonds (G-H color and VS clarity). 18k gold. Internal circumference is 15 inches. Signed, Van Cleef & Arpels, numbered NY4N98-1.