very nice necklace for the price. I purchased the 18 inch 7-8mm. But Fits more like a choker 16" .I know this brand does sell a 16" version so thinking may be a typo on samsclub site for sizes. I think a 16" was sent not 18". I am small framed . I ordered the tahitian I pearl necklace 18"on sams an and it is more true to size.

It's a beautiful necklace, very elegant.