MAUBOUSSIN "My Princess of Love" ring in white gold and amethyst

A ring signed by the House of Mauboussin in 18k white gold (750/1000). "Ma Princesse d'Amour" model. Set with amethysts and diamonds. One rectangular-cut amethyst, weighing approximately 4.21 carats, surrounded by 24 round-cut amethysts, weighing approximately 0.48 carats each (each amethyst weighing approximately 0.02 carats). Thirty brilliant-cut diamonds, weighing approximately 0.21 carats each (each diamond weighing approximately 0.007 carats). Total diamond weight approximately: 0.21 carats. Width at the top: 0.80 cm. Ring size: 56. Total weight: 6.46 g. Owl hallmark. Excellent condition.