CERTIFICATED SAPPHIRE AND DIAMOND RING, set with an oval sapphire of approximately 0.92 carats, within a halo of round brilliant cut diamonds totalling approximately 0.35 carats, with accompanying WGI report number WGI9624126664 stating a sapphire colour grade of Medium Blue, slightly included, with evidence of thermal enhancement, marked 18K, size M 1/2, 3.7g