A pretty ruby and diamond pendantHeart Shaped Ruby & Diamond Pendant Necklace A beautifully crafted heart shaped pendant featuring a central heart cut ruby, measuring approximately 5. 6 x 5. 6mm and weighing an estimated 0. 62 carats. The ruby displays a vibrant pink red hue with excellent clarity. The ruby is framed by a halo of 18 round brilliant cut white diamonds, with a combined estimated weight of 0. 20 carats, enhancing its brilliance and sparkle. The pendant measures