14K Solid Yellow Gold Box Chain Necklace. Layered Necklace 
 Thickness, Length  and Average Weight:
*0.5mm Dainty, Minimalist thin Box chain with Spring Ring Clasp
16" 0.79 gr
18" 0.86 gr
20" 0.93 gr
22" 1.00 gr
* 0.6mm Dainty, Minimalist thin Box chain with Spring Ring Clasp
16" 1.36 gr
18" 1.61 gr
20" 1.7 gr
22" 1.94 gr
24" 1.98 gr
* 0.8mm Dainty, Minimalist thin Box chain with Lobster Clasp
16"  1.93 gr
18"  2.2 gr
20" 2.35 gr
22" 2.56 gr
24" 2.8 gr 
* 1mm Dainty, Minimalist Box chain with Lobster Clasp
16" 2.92 gr
18" 3.25 gr
20" 3.5 gr
22" 3.95 gr
24" 4.11 
*1.2mm  Box chain with Lobster Clasp
16" 4.55 gr
18" 5.04 gr
20" 5.55 gr
22" 6.1 gr
24" 6.69 gr
14K Stamped for Authenticity.  NOT PLATED OR FILLED
Nickel and lead free.... Hypoallergenic. 
The Perfect and Beautiful Gift for your love one. 
The Best Price and Quality.