What its worth for 12.28 ct GIA Certified Burmese Ruby Ring

Need some help with this beautiful Huge Burmese Ruby and Diamond Ring, Any guess what would be market value per ct or for the ring? Thanks you in advance.

Weight 12.28 cts
Dimension 14.75 x 11.22 x 7.32 mm
Treatment Heated (Moderate Residue)
Color Purplish Red color.
Origin Mogok
Certified by GIA as Burmese Ruby
GIA REPORT NO 1213179708

Diamond G, H, VS , wt 1.04 ct

Metal Platinum 900 15 gm
https://youtu.be/Jzf17spR6zg