18k White Gold Natural Diamond Solitaire Pendant. Marked 750 on the bail which is another way to indicate 18k. The diamond is beautiful I can't get a picture to do it justice. It's eye clean, bright and colorful in the right light. It's a natural diamond, guaranteed. I bought this from a reputable seller and tested it as well. I'm unsure the ctw, I think it's 0.15ct. it could be anywhere from .10- .20 unsure of exact size . Please view photos I have it next to an inch side and a cm side of a ruler. Weight pictured above. Please read and view all photos. Ask questions if you have any, returns are not accepted