The ZERO reality: The True Resale Value of Lab-Grown Diamonds in Singapore

The biggest hurdle a consumer faces when trying to sell a lab-grown diamond is a complete lack of liquidity. When consumers approach traditional jewelers, diamond dealers, or major recycling platforms, they face a shocking realization: there is virtually no institutional buy-back market for synthetic diamonds.

Why? It comes down to manufacturing scale. As technology improves, the wholesale prices of newly minted factory stones have plummeted by over 80% in recent years, according to industry analyst Paul Zimnisky. Today, a jeweler can source a brand-new, flawless 1-carat lab-grown diamond straight from a factory for as little as $400 SGD. Retailers have absolutely zero financial incentive to buy a used synthetic stone from a consumer when they can buy it brand new for a fraction of that cost.

Consequently, major industry bodies, including the Rapaport Group, now classify the secondary market value of lab-grown diamonds as essentially "negligible" (zero).

With institutional doors closed, sellers often turn to peer-to-peer (P2P) platforms like Carousell, Facebook Marketplace, or specialized Reddit forums.

In these arenas, a lab-grown diamond must be heavily discounted to even attract attention—typically dropping to just 10% to 20% of its original retail price. But the financial drain does not stop there.

To sell a diamond credibly to a private buyer, you usually need to provide a fresh gemological certificate (like IGI or GIA). The cost of professional grading, combined with a goldsmith's fee to safely unset the stone from its original ring, can easily reach $150 to $250.. TWhen you subtract these operational fees from the already slashed P2P selling price, the net financial recovery is entirely wiped out.

To understand this market, you must stop thinking of lab-grown diamonds as traditional jewelry and start viewing them as consumer electronics. JJust like a new smartphone or a flat-screen TV, a lab-grown diamond depreciates the moment it leaves the store counter. Because it is a mass-produced technological product, it will always become cheaper and more abundant to manufacture over time.

In the interest of full financial transparency, it must be noted that natural diamonds have also experienced a significant decline in value recently, with the current pricing index sitting at a historic low. However, the crucial difference is that the intrinsic value of a natural diamond has not disappeared to zero. They retain a solid baseline of liquidity and can still be liquidated for cash. Furthermore, as synthetic materials continue to get cheaper and cheaper—eventually losing their status as a prestigious or viable luxury alternative—there is a strong potential for the value of natural diamonds to rise again in the future.

At Sell Your Jewellery (SYJ), our focus is on smart money, tangible assets, and preserving your wealth. Because of their continuous depreciation and lack of secondary market demand, we do not purchase lab-grown diamonds.

However, if you own natural diamonds or inherited gold pieces and want to understand their true, liquid market value, we are here to help. We offer fair, transparent evaluations based on real-time market data.