Here are my final guesses (38mm/42mm):
Apple Watch Sport (all colors): $349/399
Apple Watch, steel, Sport Band: $749/799
Apple Watch, steel, Classic Buckle: $849/899
Apple Watch, steel, Milanese Loop: $949/999
Apple Watch, steel, Modern Buckle (38mm only): $1199
Apple Watch, steel, Leather Loop (42mm only): $1299
Apple Watch, steel, Link Bracelet: $1499/1599
Apple Watch, space black steel, Link Bracelet: $1599/1699
Apple Watch Edition, Sport Band: $7499/7999
Apple Watch Edition, Modern Buckle (38mm only): $9999
Apple Watch Edition, Classic Buckle (42mm only): $10,999
And purely based on my own speculation the following configurations have not been announced, have not even been rumored, and have not been suggested to me by any sort of sources:
Apple Watch Edition, Gold Milanese Loop: $14,999/$16,999
Apple Watch Edition, Gold Link Bracelet: $17,999/$19,999