Lab Grown Emerald Necklace

One 14kt white gold diamond & lab grown emerald halo style pendent on 18 in box chain
One oval cut lab grown emerald: 
Measurements: 10.970 x 8.230 x 4.260
Carat Wt: 2.20 ct
Clarity: Moderately included
Color: Medium dark moderately strong blueish green
Cut: Good
Also set: 18 round brilliant cut diamonds (vs1-VS2, G-H) weighing 0.49 cttw 
Note: stones weight is calculated by formula 
Total weight of item: 6.00 gm
Retail replacement value:$3,250.00