Erte 14K .30 ct black enamel and oval Blue Topaz

Erte 14K .30 ct black enamel and oval Blue Topaz.  Blue Topaz, 7.8mm x 5 x 3.1, 13 bezel set .02’s, .30 ct tw, overall 20mm L x 20.8 W x 5.6, 5.6 dwt, stamped 14K and 425.  Our antique experts confirm the piece is genuine Erte.