The most popular lab-grown diamond size that people buy typically falls between 1.0 to 2.5 carats, with 1.5 carats being the sweet spot for engagement rings. Here’s a breakdown of common choices: 1.0 – 1.5 Carats – Most frequently purchased for engagement rings; offers great size and sparkle without being too flashy. 2.0 – 2.5 […]