They differ in their origin and cost
Lab-Grown Diamonds
-Grown in 2-4 week in factories overseas (China, India etc.)
-Supply available on demand (not rare)
-Production cost extremely low. Technology improving, prices lowering regularly.
-Uncertain Future Value (Not Eligible for Trade Up Program)
Natural Diamonds
-Created over 1-3.3 billion years ago
-Finite Supply (rare)
-Valuable material, stable/increasing prices
-Holds Value (Lifetime Trade Up Program)