Handmade Platinum Sapphire & Diamond NecklaceExquisite handmade necklace with a fine blue trilliant cut sapphire weighing an estimated 1. 00ct with a surround of fifteen round brilliant cut diamonds, suspended from a drop including two round brilliant cut diamonds, a baguette diamond and a trilliant cut diamond. Leading from the trilliant cut diamond on either side are three further brilliant cut diamonds which are attached to a fine oval belcher chain. The total diamond content of the necklace