BOUCHERON Cocktail ring in white gold and tourmaline

A ring signed by the House of Boucheron. In 18k white gold (750/1000). Part of the white gold has black rhodium plating. One central square-cut pink tourmaline weighing approximately 7.48 carats. Four cabochon-cut pink tourmalines, weighing approximately 0.20 carats each. Total weight of the pink tourmalines: approximately 8.28 carats. One hundred brilliant-cut pink sapphires. Total weight of the pink sapphires: approximately 0.74 carats. Width at the top: 1.65 cm. Ring size: 52. Total weight: 10.86 g. Serial number: F03450. Eagle's head hallmark. Excellent condition.