The round diamond necklace suspending a cascade of round diamonds

METAL: 18k white gold
DIAMONDS: 1 round diamond weighing 2.53 carats (D/VS1); 1 round diamond weighing 2.02 carats (G/VVS1); 1 round diamond weighing 2.01 carats (H/VS1); 1 round diamond weighing 2.01 carats (G/VS2); 1 round diamond weighing 1.62 carats (F/VVS1); 1 round diamond weighing 1.56 carats (D/VS1); 1 round diamond weighing 1.53 carats (H/VS1); 1 round diamond weighing 1.14 carats (G/VVS2); 1 round diamond weighing 1.13 carats (F/VS1); 1 round diamond weighing 1.11 carats (H/VVS2); 1 round diamond weighing 1.10 carats (H/VS2); 1 round diamond weighing 1.05 carats (F/VS1); 1 round diamond weighing 1.03 carats (E/VVS2); 1 round diamond weighing 0.72 carat (F/VS2); 1 round diamond weighing 0.71 carat (F/VS2); 1 round diamond weighing 0.70 carat (F/VS2); 1 round diamond weighing 0.70 carat (F/VS2); 1 round diamond weighing 0.70 carat (F/VS2); 1 round diamond weighing 0.70 carat (F/VS1); 1 round diamond weighing 0.70 carat (F/VS2); 1 round diamond weighing 0.70 carat (F/VS2); 91 round diamonds stated to weigh a total of 21.10 carats
Total diamond weight is 46.57 carats
CERTIFICATES: 21 GIA reports (please refer to the jewelry department); Graff Certificate of Quality.
SIGNATURE: GRAFF
MARKS: 6310, AU750
SIZE/DIMENSIONS: 39.0 cm length, 6.0 cm drop
GROSS WEIGHT: 47.6 grams