Cluster Pendant

One 18KT yellow gold 1.00 cttw champagne diamond cluster style pendant on adjustable length bx chain containing: 
Nineteen round brilliant cut diamonds:
Measurements: 2.580-2.300 mm
Carat Wt.: 1.00 cttw 
Clarity: VS-1 to VS-2 
Color: V-W 
Cut: Good 
Note: Diamond weight stamped on pendant 
Total weight of item: 2.60 
Retail replacement Value:  $2,100.00