8.04 Carat Turquoise Black Diamond Yellow Gold Cocktail Ring8. 04 Carat Turquoise Black Diamond Yellow Gold Cocktail Ring This ring has a 4. 90 Carat Oval Cut Turquoise and is surrounded by 18 Round Cut Black Diamonds that weigh 2. 57 Carats. The Black Diamonds are natural diamonds that are color treated to get the black color. There are also 40 Round Cut Diamonds that weigh 0. 57 Carats (Clarity: SI1, Color: F). The total carat weight of the ring is 8. 04 Carats. The ring is crafted in 14 Karat Yellow Gold