I bottled a biab Gem clone about 2 weeks ago and it's so close it's unbelievable!
I did a simpler version of the Gem with just Maris Otter, Wheat and two EKG additions. It's a bit lighter in colour but has more mouthfeel.
Really, really close to the original.
I used Danstar Nottingham yeast.
FV2: BIAB Proper Job Clone
Conditioning: Coopers Stout,Wilkos Newkie(+ekg), Dubious Turbo CIderz, BIAB Bath Gem Clone
Planning: BIAB - lots of BIAB
Drunk'd: John Bull Trad Ale, JB Lager, Sundew, Muntons Wheat, JB IPA, St P Ruby X2, Geordie Bitter, TC Real Ale,Wherry X2,TC, Ginger Wine, Mead, Coopers Blonde...etc etc