Is there a GIA certificate for lab diamonds?

  A GIA certificate is an appraisal report. A synthetic diamond can also be issued with a GIA certificate, except that it will state that it is a synthetic diamond. Synthetic diamonds can also be graded in accordance with the 4c's of diamonds and can therefore be issued with the same system of appraisal as natural diamonds.

The difference between natural and synthetic diamonds: apart from the difference in the way they are obtained, natural and synthetic diamonds appear to be almost identical, but in reality their prices are so different that the market has seen the unhealthy phenomenon of synthetic diamonds being sold as natural diamonds for huge profits, so it is essential to distinguish between natural and synthetic diamonds:

1. Certificate: The most important thing is that synthetic diamonds have a "lab-grown" laser mark on the girdle to facilitate better identification of natural and lab diamonds. The synthetic diamond has a "lab-grown" laser mark on the girdle to facilitate better identification of natural and artificial and to provide more information.

2. Internal characteristics: Synthetic and natural diamonds are very close in chemical and physical characteristics, but after all, they come from different growth conditions, have different formation histories and processes, so if you use sophisticated equipment to observe them, you will still find subtle differences, for example, through different ways of CVD diamonds, there will be significant differences in fluorescence, phosphorescence and other characteristics, which is due to the formation of natural diamonds in the geological process, and the formation of the natural diamond. This is due to the geological effects of the formation of natural diamonds, which are extremely difficult or almost impossible to replicate under synthetic conditions, and therefore become unique to natural diamonds.

3. Price: although man made diamonds also have different cost issues, and the larger the carat the higher the cost of synthetic diamonds, and the difference between natural diamonds is not obvious, but the price of ordinary small particles of diamonds is relatively inexpensive, and as long as the conditions allow, lab grown diamond can be mass-produced, which is the advantage of natural diamonds can not be compared.