5.21 ct Straight Line Diamond Tennis Necklace 17'' 18k White Gold with safety bar underneath. 
 
Weight: 20.9 grams 
Length: 17''
Width: 2.74mm
Main Stone: Diamond 
Diamond Weight: 5.21 CTTW
Metal / Purity: 18k White Gold
Hallmarks: 750 5.21 ct
Era: Contemporary
Condition: New