Estate Effy ruby diamond ring, circa 2000. This 14 karat yellow gold ring by Effy of NYC features a center oval ruby at 1.20 carats encircled with diamonds. The baguette diamonds have a total weight of 1.0 carat. The two additional rows of round diamonds have a total weight of .75 carat. All diamonds have VS-SI clarity and G-H color. Total diamond weight is 1.75 carats. This Effy ruby ring is a size 6.25.