IQTests.com was sold at Uniregistry back in 2015 for $20,000. The domain name did have a developed website up but was left to expire.
Today IQTests.com closed at $18,250 at GoDaddy auctions. IQtests is registered in 23 extensions according to DotDB.com.
No backlinks on this one, so the price was just on the strength of the name.