Vintage 18K Gold Sapphire Cabochon and Diamond Ring

Vintage 18K gold ring featuring a round sapphire cabochon set within a bezel of diamonds, supported by fifteen millimeter wide shoulders tapering down to a five and a half millimeter wide band. Bright polish finish.
Sapphire: approx. 4 carats
19 diamonds: 0.40ctw. Color: G-H, Clarity: SI1-I1
Front: 17.5mm
Back: 5.5mm
Weight: 11.1 grams
Size: 11.5 (limited sizing available)
Marked: 18K