M Diamond Gold Necklace

Total length of the product (including extension): 49cm
Total length of the product (excluding extension): 43cm
Length of the extension chain: 6cm
Length of one side of the necklace (including extension): 24.5cm
Length of one side of the necklace (excluding extension): 21.5cm
Customization Option:
Can the size be customized to a smaller length? - No