Plated 18KT Yellow Gold 3.00ct Opal and Diamond Pendant with Chain

One Plated 18KT Yellow Gold 3.00ct Opal and Diamond Pendant with Chain. (1) Opal with a total weight of 3.00cts. Diamonds with a total weight of 0.12cts with a color of I-J and clarity of I-3. Total weight of 11.55 grams of brass layered with 18K yellow gold.