
Lab made diamonds are available in a variety of sizes, from fractions of a carat to over 10 carats. The most popular sizes for lab made diamonds are 0.5 carat, 1 carat, and 1.5 carats. The largest lab-grown diamond recorded is a 30.18-carat
emerald-cut diamond,it was graded by GIA and is considered to be a high-quality diamond.
The size of a lab-grown diamond is determined by its carat weight. One carat is equal to 200 milligrams. The size of a diamond also depends on its shape. For example, a round brilliant diamond will appear larger than a princess cut diamond …


