Necklace in 18K (750) white gold set with round brilliant-cut and calibrated diamonds, adorned with oval sapphire florets, diamond-paved leaves, finished with 5 pendants set with round, calibrated and navette diamonds and sapphires. Work of the 1980s. Length : 44 cm approximately. Gross weight: 146.7 g. A sapphire accompanied by a GEM-Paris pre-report (2022) attesting : origin Thailand, heated. A sapphire (Thailand, heated) and diamonds necklace