In comparing these gem FW exotics to a strand of multi-colored FW pearls (which were classified as AA+ if I remember correctly) I purchased from a Chinese eBay seller (high marks, consistently positive reviews from P-G and on eBay), it is crystal clear which strand demands a higher tier.
I won't even say it. The pictures tell it better than I could.
Color
There were two pearls from the strand that stood out the most for me. They were two deep purple/blue pearls which sit in the middle of the strand. Dare I say it, they are actually blue!
*Please note the pictures and how they compare with a lustrous deep purple pearl from the same strand.
I've picked up on one or two coppery pearls and these super lustrous white pearls that seem to change in overtone (silver/copper/pink?) depending on the lighting.
There are a few peach pearls that are not very different from the norm in terms of color; however, there are also one or two bubblegum pink pearls that really stand out.
Under warm lighting, the metallic quality stands out. Under natural sun light, they are blinding. Under cool lighting, the deeper colors stand out more than anything.
All in all, these FW pearls are absolutely creme de la creme, especially compared to other FW pearls. The metallic sheen changes in caliber under different types of lighting. In this case, this is indirect natural lighting w/ overcast. I think these pictures accurately depict how they look in real life despite not having a professional set up.
I look forward to the possibility of single-colored exotic strands in the future!