This is the cheapest I've found. The look is pretty loud though, and I'm not convinced I'd enjoy oval rings. If you find some with compact rings and want standard, I'll swap. I bought some cranks with standard.
I've got compact too, gearing on the GT is a bit absurd now that I have a dedicated roadie. You can have my semi-compact rings if there's any life on them
https://www.ebay.co.uk/itm/5G-NANO-Doval-Chainring-BCD110-130-for-4-5arm-Buy-3-Shipping-cost-discount/122620939766?hash=item1c8cc70df6:m:mkHVViDGEEyjiXcFCclO-FA
This is the cheapest I've found. The look is pretty loud though, and I'm not convinced I'd enjoy oval rings. If you find some with compact rings and want standard, I'll swap. I bought some cranks with standard.