Whether the gemstone is man-made or natural, ... use a refractometer to accurately know the weight and hardness value of the stone which will tell you whether it is real or man-made. 6 / 6.

Man-made gemstones excite the sustainability conscious, ... and how close are they to the “real ... The first gem-quality diamonds were artificially created in 1971 and the technology has been ...

Global sales for lab-grown diamonds increased to $12 billion in 2022, up 38% year over year, per an analysis by New York-based Paul Zimnisky, a diamond industry analyst. Jewelry shoppers ...

Why These Lab-Made Diamonds Cost Half As Much But Sparkle Like Real Gems This has partly been made possible by hundreds of companies in China and India, both among the largest producers of man ...