At $3.7 million, this Marie Antoinette Necklace from De Beers definitely ranks among the world's most expensive necklaces. The necklace features more than 181 carats of diamonds, including a monster 8 carat, pear-shaped white diamond as a centerpiece. All of the jewels are set in platinum.
Giardinetti Necklace, c. 1760, gold, silver, diaminds, emeralds, rubies, The giardinetti jewel of which this necklace is an important example demonstrates that passion for colour and flowers characteristic of the eighteenth century decorative arts was not reserved for ceramics and textiles but was also expressed in jewellery. Worn like a garland round the neck the flowers would add a festive note to the toilette of the woman who wore it, and delight the eyes of all who saw her.