SEABOARD GR02 Gravel Bike Frameset Carbon Fiber Fork Off-road Long Distance Bicycle Framework 700C 142mm Thru Axle Wheelet

The Tsunami / Seaboard GR02 is another option, although it's a bit more of an all-road bike than gravel (42mm official max tire clearance, although may have been increased?). I have one for my commuter and it's been great - no issues building it up, and the paint and welds look good.

I only found one link for it, but I didn't search very hard:

You can get it direct from Tsunami as well, with more color and size options:
https://tsunamibicycle.com/product-category/products/tsunami-fixie-frameset-road-bike-frameset-gravel-frameset/multiple-speed-frameset/gravel-frameset/aluminum-alloy-gravel-bike-disc-brake-700c-internal-cabling/