Beautiful Ruby Ring!

Appraisal reads as follows:
One stamped 18kt white gold ladies cast flower design ring containing:

1 prong set oval shape standard mixed cut natural corundum/ruby, gauging 8.00x5.90x3.70mm, 10% bulge factor, approximate weight 1.57ct.
Clarity: SI-1 Type II
Color: Medium Strong Mod p Red
Cut: Good

26 bead set round brilliant cut diamonds, gauging 1.40x1.60x0.85mm. (depth estimated) , 3% bulge factor total weight 0.40ct.
Clarity: SI-2
Color: G-I
Cut: Medium Good

Total weight of diamonds: 0.40ct
Total weight of colored stones: 1.57ct
Mount weight 6.20gm
Approximate replacement value: $3100.00 CAN