Have you checked out West Elm in the city? I am a big fan of divans and they sell a lot of them. They are modern and are sold in sections so you can configure them in the way you like. West Elm stores are located all over the NYC metro area. Check out the site--they have great sale that's going on right now so you may be able to get a good deal on a sofa. Good luck! Here is a link that might be useful: West Elm

with sofas, one really needs to sit on them, and be prepared that almost everything new deemed "affordable" (whhich is not cheap at all btw) will be of worse quality than it was say even 20 years ago so I'd say -either be prepared to pay more, but also go to stores and try to sit first and see whether works for you since seating is very personal..depends on one's height etc..you might also be lucky and they'll have sale, or even better- floor models they want to get rid of, etc. Check Room and Board, Design Within Reach(can't get over the name lol..but the quality's nice), different stores carrying good imports from Europe..Cantoni for example..will be very different price yet who knows, one might get lucky. Or even very lucky. or. If you're inclined to invest your time rather than money(which is what I usually prefer to do)-go to vintage stores, even flea markets if you have good ones in the area..some sellers refurbish vintage mcm, and happen to do it quite well. Then you'll be at West Elm price, even lower maybe, but much more superior quality yet another option -your local Craigslist. Saw amazing mcm couches there many times ..pity that I don't have where to put them lol. actually any site that will have option for local pick up is worth checking, but one needs to search by area. these would be Etsy, Chairish, Everything But The House.. I'd take my time in searching for the right sofa. and I might go for a different one-say fabric as opposed to leather. So it'll be purposeful, interrsting mismatch, yet within same sensibility, and with propotions that will have similarity. I spent my childhood with mostly mcm furniture and it's just as comfy as other furniture..when made well. Again sit on it first. Otherwise you play sort of roulette-will it be comfy? will it be not? Whatever's good for hundred reviewers might have absolutely no relation to me when it comes to seating.

So... If you are still interested in the Iris chair at all, just want to let you know the chair is actually grey, not brown. They are calling the color Pewter. It looks so brown on my monitor. Here is pic from customer review of Iris loveseat. This is the pillow that also comes with chair. (Doggie not included. 😂 So cute. Precious.) Anyway, even better. You could just toss a grey lumbar into sofa pillow mix - or just simply use only one grey pillow or throw if you prefer! As one example, this oversized lumbar from Target is fun. https://www.target.com/p/oversized-lumbar-velvet-throw-pillow-with-tassels-gray-threshold-8482/-/A-79587619?ref=tgt_adv_XS000000&AFID=google_pla_df_free_online&CPNG=Home%2BDecor&adgroup=67-8&ref=tgt_adv_XS000000&AFID=bing_pla_df&fndsrc=tgtao&DFA=71700000012733992&CPNG=PLA_Home%2BDecor%2BShopping&adgroup=SC_Home%2BDecor&LID=700000001230728&LNM=PRODUCT_GROUP&network=o&device=t&location=&targetid=pla-4585581967312127:aud-805670406&ds_rl=1246978&ds_rl=1248099&ds_rl=1247068&msclkid=5d9112dca58b12e8c5d14d5a74840855&gclid=5d9112dca58b12e8c5d14d5a74840855&gclsrc=3p.ds

love love our maiden home thompson bed and jones sectional. i did more reaearch then i care to admit befor buying and think quality and design wise its a few notches above. joybird, article, burrow are not really comparable - they are closer to the ikea end of the spectrum. i think of my maiden home stuff as rh level design but far better quality (made in north carolina) and a much more reasonable price. hope that helps!