Opal Diamond 10k Rose Gold Pendant This opal has a lot of fire which I could not capture with my camera. Its beautiful. The opal measures approx 39mm by 23mm at its widest point. The light yellow round brilliant cut diamond is approx 5mm in diameter. (approx .45 to .50 carat) per the auction house, the gold is rose gold. The pendant measures approx 41mm by 25mm including the bale. It is not marked but sold to me by the auction house as 9k/10k gold and it tests as 10k. Weight approx 11.9 grams. Chain not included. This is a customer made pendant who came to me from an Australian auction house. Please look at all 12 pics as they are part of the description. All pics enlarged to show details.