STERLE STONE - 1960S MAGNIFICENT TURQUOISE AND DIAMOND FLOWER RING This ring features a budding flower formed from a sugar loaf cabochon of turquoise held together by petals set with small brilliant-cut diamonds. The ring forms branches in chased 18K yellow gold. French work signed Sterlé Paris and numbered. Gross weight: 20.20 g (one small white stone). Finger size: 50. Height: 1.7 cm. Reference: Viviane Jutheau, Pierre Sterlé, Editions Vecteur, Paris 1991 for many original designs of similar inspiration. A turquoise, diamond and 18K yellow gold "flower in bud" ring by Pierre Sterlé, circa 1960. French assay mark. Signed Sterlé Paris and numbered. Gross weight : 20,20 gr. (one white stone). Size : 50. Height : 1,7 cm.