Marquise sapphire ring surrounded by diamonds

Marquise ring in 18Kt yellow gold and platinum (hallmark: owl) , decorated in its center with five sapphires weighing a total of approximately 1.00 Ct, in an surround of rose-cut diamonds whose total weight is estimated at approximately 0.40 Ct. Natural Ceylon sapphire without thermal modifications. Circa 1910. Gross weight: 3.50g Height of the pattern: 2.50 cm Width of the pattern: 1.20 cm Finger size: 56 (diameter 17.75 / US 7.50). Condition: very light micro scratches and deformation on the setting, abrasion and natural inclusions in the sapphire and diamonds, see photos. Did you know that the marquise ring originated under Louis XV? In fact the latter, madly in love with the Marquise de Pompadour , ordered an elongated diamond from her, becoming more refined at the ends in the image of her smile. All our engagement rings.