Set with thirteen circular-cut diamonds weighing 1.01, 1.02, 1.02, 1.04, 1.07, 1.08, 1.10, 1.09, 1.05, 1.05, 1.04, 1.02, 1.0 carats, spaced by smaller circular-cut diamonds, each in a diamond-set gallery, to the knife-edge chain, 37.0 cm.
With thirteen certificates dating from 21/5/78 to 29/1/80 from the Gemological Institute of America stating that the diamonds range from D colour internally flawless to F colour, internally flawelss clarity