Opal, Diamond, Yellow Gold Pendant Necklace. Featuring one pear shaped opal cabochon measuring approximately 17.5 x 11.4 mm, accented by ten full-cut diamonds weighing a total of approximately 0.25 cttw., set in a 14k yellow gold pendant mounting measuring approximately 32 x 12 mm, suspended from a 10k yellow gold chain, forming a 20 inch necklace. {Gross Weight: 2.6 dwts}