Lab-Grown vs. Natural Diamonds: Resale Value

The Difference is the Origin

To the naked eye, a lab-grown diamond and a natural diamond are indistinguishable. They have the same chemical, physical, and optical properties. The difference lies entirely in their origin: natural diamonds were forged deep within the Earth over billions of years, while lab-grown diamonds are synthesized in a factory over the course of a few weeks using HPHT (High Pressure High Temperature) or CVD (Chemical Vapor Deposition) processes.

While this makes lab-grown diamonds much cheaper to purchase at retail, it creates a massive discrepancy when you try to sell the stone on the secondary market.

Supply, Demand, and Scarcity

The fundamental economic driver of secondary market value is scarcity. Natural diamonds are finite. Large, high-quality natural diamonds are exceedingly rare, meaning there is a consistent, global wholesale demand for them. This allows professional diamond buyers in Orange County and around the world to offer strong cash payouts based on established pricing indexes.

Lab-grown diamonds, conversely, are technology products. Because they can be infinitely reproduced in a factory, there is no scarcity. As manufacturing technology improves, the cost to produce lab-grown diamonds continues to plummet.

The Crash in Lab-Grown Resale Value

Because wholesale prices for brand new lab-grown diamonds are constantly falling, the secondary resale market for pre-owned lab-grown diamonds is virtually non-existent. A jeweler or diamond buyer has no incentive to purchase a pre-owned lab-grown diamond when they can order a brand-new one from a factory for pennies on the dollar.

Consequently, if you attempt to sell a lab-grown engagement ring, the buyer is primarily offering cash for the melt value of the gold or platinum setting, as the synthetic stone itself holds little to no residual cash value.