10 CT RUBY AND DIAMOND RING: 14K yellow gold. This oval cut ruby corundum gemstone is center mounted and surrounded by round brilliant cut diamonds. The ruby is approx. 10.38 ct. with I1 / type 3 clarity and is red (5/5) color. The diamonds total approx .71 ct with an average clarity I1 to I2 and average color H-J. Size 7. Sold with GemAssure Gemological Appraisals, GIA graduate's written appraisal of $4,390.