18K Ruby and Natural Diamonds the white metal that holds the pendant is platinum

Authenticity Guaranteed Hairline scratches on the back of the pendant. Pictures have been magnified for your judgment This is a vintage piece Main Color : Gold Sub Color : Pinks Pendant Size : 1.8X1 cm / 0.70X0.39 inch Chain Size : 42 cm / 16.5 inch Total Main Stone(s) : Ruby Main Stone Carat : 0.49ct Total Secondary Stone(s) : Diamond Secondary Stone Carat : 0.3ct Material : Yellow Gold Purity : Pt900 X 18K Gross Weight : 3.7 g / 0.130 oz Diamond Color Grade : Unknown Cut Grade : Unknown Clarity Grade : Unknown Come with : Nothing