Comparing a 26F Katherine Hamilton Sophia Bra with a 28DD Cleo Meg
The band is pretty much the same in both bras. The 28DD bra has wider cups but they are both about the same depth.
Sophia Balconette Red Lace Bra with Silk Quarter Cups - Katherine Hamilton
26 Bands and HH Cups? Reviewing Katherine Hamilton's Sophia Bra
Discovering Katherine Hamilton: Sophia (30GG & UK12)
26 Bands and HH Cups? Reviewing Katherine Hamilton's Sophia Bra
Nina Black Non Padded Mesh Bra With Silk Trims - Katherine Hamilton
Fuller Bust Bras Size 26-38 D-HH - Katherine Hamilton
26 Bands and HH Cups? Reviewing Katherine Hamilton's Sophia Bra
Sophia Balconette Ivory/White Lace Bra with Silk Quarter Cups - Katherine Hamilton
Katherine Hamilton and bra sizing systems – Kiss Me Deadly
26 Bands and HH Cups? Reviewing Katherine Hamilton's Sophia Bra