Neckpiece, 18-karat yellow-gold,Gumuchian Fils Secret Garden Collection, cable chain measuring 34-inches long,and fastening with a lobster clasp. The chain has18 modified oval-shaped motifs set on each side with 4 round brilliant-cut diamonds, 144 weigh3.78 carats total. The color is H-I and the clarity is VS-SI1, by GIA standards.