Diamond pendant-brooch/necklace, The pendant by Van Cleef & Arpels, New York

The pendant designed as a Maltese cross, set in the center with a pear-shaped diamond of fancy intense yellow color weighing 2.05 carats, completed by 4 marquise-shaped, 44 baguette and tapered baguette and 114 round diamonds weighing approximately 14.80 carats, mounted in platinum, signed Van Cleef & Arpels, numbered N.Y. 38109, detachable, supported on a graduating necklace set in the center with 2 round diamonds weighing approximately 2.50 carats, completed by 83 round and 10 marquise-shaped diamonds weighing a total of approximately 26.00 carats, mounted in platinum, the clasp of 14 karat white gold, length 15 inches, unsigned. 

Accompanied by GIA report no. 15702114 stating that the 2.05 carat diamond is Fancy Intense Yellow, Natural Color, VS1 clarity; together with original working diagram stating that the stone may be improvable.