Unusual ivory color ground with pink and light brown. Round old mine cut diamond in the center area which weighs about 0.06ct.
Total weight- 6.8 grams. It measures about 30mm by 27mm.  Signed with French control marks and maker mark.  Condition is
excellent but there is a tiny tiny chip on the edge of the enamel.  See Photo # 5. It is not readily visible without a loupe.