Rhodium Plated over Sterling Silver 925, Diamond Cut 1mm Box 015 Type Chain Necklace - 20" 

Metal: Sterling Silver 925
Finish: Rhodium Plated, Diamond Cut, Bright ( Rhodium Plated Chains are darker color than regular silver chains )
Thickness: about 1mm
Length of the Chain: about 50cm ( about 19.68" )
Weight: about 2 grams
All the weights, sizes, lengths, thicknesses are approximate.