Black diamond is becoming more and more popular in Jewelries set with either gold, white gold and combined with colorless diamonds. However, after through examination and fully analysed in our Lab. Some of them are actually synthetic black cubic zirconia or in Indonesia is commonly known as "American Diamond". They really look like black diamond from their specific gravity diamond is usually around 3.52. Synthetic cubic zirconia is between 5.90-5.95.
Photo and Article by AGL GEMOLOGIST TEAM