$691 for this ring with 2ct（7mm）yellow accher moissanite center, orange sapphire and yellow sapphire accents in 10K Yellow gold band and 10K white gold ring head. ( There are 3 rows accents, yellow sapphire-moissanite-yellow sapphire)
The price difference is $314.4($691*0.8-$298*0.8). -