Mauboussin "Couleur Baiser" RingThis exquisite Mauboussin ring epitomizes Art Deco elegance with its 18k gold and grey gold construction. The centerpiece features a stunning rectangular amethyst (approximately 5 carats) with step cut faceting, flanked by delicate baguette amethysts and brilliant cut diamond accents. Signed and numbered by the prestigious Parisian jeweler, this piece bears the hallmark of exceptional craftsmanship. Ring size 52, gross weight 7. 77g. In excellent