The 30G bra has a bigger band than the 28G bra. The 30G bra has deeper cups than the 28G bra, but they are about the same width.
30FF - Freya » Deco Moulded Plunge Bra (4234)
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Freya » Deco Moulded Plunge Bra (4234)
28E - Freya » Deco Moulded Half Cup Bra (4232)
32G - Freya » Deco Moulded Plunge Bra (4234)
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Underwear for Her, Bras, Biustonosze Usztywniane, Biustonosz Freya DECO AA4234BLK Moulded Plunge Bra Black Black
Freya Women's Deco Underwire Molded Plunge Bra, Black, 32B at Women's Clothing store: Bras
Freya Women's Deco Underwire Molded Plunge Bra, Black, 28D at
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28F - Freya » Deco Moulded Plunge Bra (4234)
Thin and Curvy: Victoria's Secret bras don't even fit the models!