Wanted to share the final product after months of research on this forum and others. Both myself and my fiancé are thrilled with the outcome!
Stone
Color Change Montana Sapphire from the El Dorado Bar
1.59 carat, 6.5mm round brilliant
unheated/untreated
Purchased from and cut by Jeff Hapeman @ Earth's Treasury
Setting
Hexagonal Halo, 3 sided pave
42 diamonds, .46 CTW
Purchased from Mark Sadovsky @ Sadovsky Jewelers
Stone
Color Change Montana Sapphire from the El Dorado Bar
1.59 carat, 6.5mm round brilliant
unheated/untreated
Purchased from and cut by Jeff Hapeman @ Earth's Treasury
Setting
Hexagonal Halo, 3 sided pave
42 diamonds, .46 CTW
Purchased from Mark Sadovsky @ Sadovsky Jewelers