The band is pretty much the same in both bras. The 36GG bra has bigger cups.
Harlette's Revenge Bikini
Basques & Corsets, Lingerie & Nightwear, Women's Clothing, Women, Clothes, Shoes & Accessories - PicClick UK
What is up with these wack size charts? : r/ABraThatFits
My first Curvy Kate bra~ Will it Thrill Me?
D+ Bras, Lingerie and Swimwear – Brastop UK
Help finding new bra, need advice from large busted ewa-michalak buyers? 32G - Curvy Kate » Gia Balcony Bra (CK2101)
How UK and US bra sizes compare – Curvy Kate UK
Description Uses the UK sizing system. This brand starts with a D cup in most styles, then continues D, DD, E, F, etc. up to a UK K cup. Curvy Kate
Scantilly Key to My Heart Padded Half Cup Bra in Black
32GG - Curvy Kate » Thrill Me Padded Bra (SG3001)
Curvy Kate Lace Daze Bralette Black – Curvy Kate CA
Curvy Kate Smoothie T-Shirt Plunge Bra (CK2910). The Curvy Kate Smoothie T-Shirt Plunge Bra CK2910 is the updated version of the Smoothie Soul style,
Curvy Kate Smoothie T-Shirt Plunge, Latte, 36G