I'm buy a pearl strand for my girlfriend.

Would you recommend:



18" Cultured Freshwater Pearl Strand (9-10 mm)
$125.99

http://www1.macys.com/catalog/produc...Type=EverGreen


or



14k Gold Cultured Freshwater Pearl 3-Piece Set
Classic elegance with an uptown twist. This set includes: necklace (17-3/4" - 18"), bracelet (7-1/4" - 7-1/2") and earrings (7.5mm - 8mm).
$108.99

http://www1.macys.com/catalog/produc...tegoryID=21244




Would a girl want 9-10mm or 7.5-8mm?

Or would a girl rather receive a set?

Any other recommendations?