A diamond necklace with diamond pendant

A diamond necklace with diamond pendant, the detachable pendant is set with a pear shaped diamond which weighs approximately 2.75cts, a marquise shaped diamond which weighs approximately 1.10cts and two marquise shaped diamonds which weigh approximately 0.75cts in total. The necklace is mounted with one hundred and twenty one graduated brilliant cut diamonds which weigh approximately 18.00cts in total. All set in white gold.