Stunning Natural Blue Sapphire Brilliant Cut Diamond 18k Yellow Gold Ring 6.5

Beautiful 18k yellow gold, sapphire and diamond ring with a raised and centered oval sapphire secured with 4 prongs and accented with tapered baguette cut and round brilliant cut diamonds. The are diamonds are prong set in the raised wire gallery with the ring measuring 6.0 mm in width where the split shank meets the center gallery, tapering to 1.70 mm at the bottom of the ring. The inside of the shank is stamped with the metal fineness and a maker's mark "EMICO". 
This ring is cast construction with a polished finish and has a total gem and metal weight of 5.58 grams. Total diamond weight 1.50 cts. Size 6 1/2. Comes with recent appraisal, approximate replacement value of $5600.  See below for gemstone and diamond grading information along with item images. 
Natural Sapphire (Corundum) - Type II Attributes
Shape and cut: Oval facet mixed cut
Measurements: 9.91 x 7.09 x 4.23 mm
Estimated weight: 2.38 cts
Clarity: L2
Gem color: B 6/4
Good proportions and finish, no fluorescence. 
Accent Diamond Attributes
Shape and cut: Round brilliant full cut
Weight: .051 to .051 cts each
Number of diamonds: 8
Estimated total Weight: .40 cts
Clarity: VS-S1
Color: I-J
Good proportions, good to fair finish. 
Accent Diamond Attributes
Shape and cut: Tapered baguette
Number of diamonds: 14
Estimated total weight:  1.10 cts
Clarity: VS-1-2
Color: I-J
Good proportions, good to fair finish.