Art Deco Openwork Dome Diamond Ring chaine ancienne or jaune bears the Jaeger-Lecoultre signature

bears the Jaeger-Lecoultre signature

sertie de saphirs taillés en navette et en poire

streamlined forms

and dents on gold parts

bien que jusqu’au Moyen-Âge le terme désignait plutôt le lapis-lazuli

Art Deco Openwork Dome Diamond Ring chaine ancienne or jaune bears the Jaeger-Lecoultre signature18Kt white gold and platinum openwork dome ring (hallmarks: eagle and dog) set in its center with a half cut diamond weighing approx. 0. 25 Ct (estimated color H, and estimated clarity SI) in a surround of rose cut diamonds, whose total weight is estimated at approx. 0. 20Ct (estimated color H to K, and estimated clarity VS to SI). French work, Circa 1930, Art Deco. Gross weight: 3. 32 g Height: 1. 10 cm Finger size: 57 (diameter 18. 00 US 7. 75).