Vintage Diamond and 14 Karat Yellow Gold Engagement Ring and Ring Jacket Set. The engagement ring set with an approx. 1.50 carat marquise cut diamond G-H color, SI2 clarity and accented with round brilliant cut diamonds. The wedding ring jacket set with marquise and round brilliant cut diamonds Stamped 14K. Ring size 7-3/4. Approx. weight: 8.7 grams. Condition: Surface wear from normal use. Ring jacket slightly out of round. Estimate: $2500.00 - $3500.00 Domestic Shipping: $30.00