S925 sterling silver plated 14K gold necklace diamond key

Material: 925 silver plated 14K gold (gold)/925 silver plated platinum (silvery white) inlaid with 5A zircon.
Specification: The total length of the chain is about 45cm, the adjustable band is 38cm/41cm/45cm, the chain is about 1mm, the pendant key is about 18.5*8.5mm, and the overall weight is about 1.32g..