Jeffrey Cohen gives a insiders look at the current consumer diamond demand when it comes to engagement rings. He provides knowledge and insight. across the 3 major retail sectors of the market, into the most popular diamond shapes and the most commonly used qualities, as well as information on the desirability of "composite-heads” and single stones. Additionally, he discusses the up-tick of lab-grown diamonds and the use of other precious and semi-precious colored gemstones in engagement rings. Jeffrey Cohen is the Vice President of Sales for KGS Jewels, a DTC sight holder with one of the largest diamond cutting factories in the world.