Blessed be the Lord thy God - This acknowledgment of Yahweh falls below the confessions of Hiram 2 Chronicles 2:12 and Cyrus Ezra 1:3. It does not imply more than an admission of His power as a local deity; namely, that He is the God of the Jews and of their country.
Related Commentaries of 1 Kings 10:9
1 Kings 10:9
9 Blessed be the LORD thy God, which delighted in thee, to set thee on the throne of Israel: because the LORD loved Israel for ever, therefore made he thee king, to do judgment and justice.