This is to be a champagne mead destined for some strong bottles and a nice bubbly texture. According to Mead Made Complicated, it should be a target of 10-11% ABV and that leaves a 1 gallon batch to be 1.085 if fermented dry.
Target Gravity 1.085
Target ABV: 11.0%
Honey Used: 37.2 oz
Honey Variety: budget clover
Other Fermentables: 5.4 oz invert sugar
Target Volume: 1.0 Gallons
Yeast: Premier Cuvèe
Other Additions: Irish moss, citric acid