This is a contemporary 18k white gold, diamond and sapphire necklace with 51.00cts.  The necklace features a sectional graduating design centrally set with 13 faceted pear shaped sapphires that weigh 17.50cts.  They exhibit a fine deep ocean blue body color with excellent clarity.  They are framed with 365 round brilliant and tapered baguette cut diamonds that weigh 33.50cts.  They are prong set in a handmade 18K white gold mounting that weighs 46.30dwt.  The necklace measures 16" long. As you can see from the photos the necklace is in overall excellent condition.