18kt White Gold Pendant with Onyx and Diamonds

18kt White gold pendant with one pear cabochon shaped onyx approx. 17 X 12mm with a very smooth finish. As well as eleven round brilliant cut natural white diamonds gauging 1.75 X 1.20mm, carat weight 0.10ct.tw., clarity SI1-SI2, colour G-H, cut Good. Total weight of the pendant is 3.40 grams.