Massive heart necklace in 2 golds and emerald

Magnificent 18k yellow gold (750/1000) necklace. The chain features a graduated, flattened bean link. The heart motif is set with a heart-shaped emerald of approximately 2.60 carats (slightly chipped). Twelve brilliant-cut diamonds totaling approximately 0.18 carats are set in white gold. Length: 41 cm. Maximum width: 1.03 cm. Minimum width: 0.49 cm. Motif dimensions: 2.66 cm x 2.58 cm. Total weight: 46.27 g. Hallmarked. Excellent condition.