Ruby + Sterling Silver Cat Eye Pendant NecklaceMeow. Cast from solid sterling silver set with a bright ruby marquise and round white diamonds, this dainty pendant is all about bringing the wearer an abundance of good luck. Which naturally also makes this charming piece a lovely, thoughtful gift. (Even to dog lovers.) Length: 16". Solid sterling silver pendant; size: 7mm x 4mm x 33mm (0. 3" x 0. 2" x 0. 1") Sterling silver chain w spring ring closure Ruby gemstone; size: 2mm (0. 1") White diamonds;