The ring is by De Grisogono. It is a blue sapphire surrounded by 107 blue sapphires and 224 white diamonds in white gold. So going onto my Christmas wish list (in the words of Cher Horowitz, as if!) via Rings
Idée et inspiration Bague Diamant : Image Description Jacob Co. Diamond Solitaire, 27.04 Ct…..HOLY HAUTE ROCK!
AN ART DECO EMERALD AND DIAMOND RING The central square cut-cornered emerald to baguette-cut diamond raised shoulders and pavé-set circular-cut diamond bezel surround, with plain tapering hoop, circa 1935