Very Large Diamond Stud Earring At An Amazing Price. Be clear what you are buying. The diamonds show color and are visibly included, but are bright and fiery. The bottom line is that they are big diamonds at a low price! 4 Carat Round Diamond Stud Earrings. No jewelry store can touch SuperJeweler's prices on diamonds, and definitely not on Clarity Enhanced Diamonds. The diamonds are L-M color, which is very white and I2-I3 Clarity. Crafted in 14 karat white gold with screw-on screw-off posts.