5-Carat Lab-Grown Blue Diamond Graded by GIA

With labs perfecting the HPHT lab process for lab grown diamonds larger and larger stones are coming to the markets. Recent a 5.03ct blue diamond grown in a laboratory was inspected by GIA. These larger stones are causing a lot of interest in the markets, as the technology increases the quality is as well. Although a lab grown gem can be detected in a number of ways they still are causing the jewelry industry to sit up and take notice.

This particular man made gemstone was significant enough to have the findings published early online by GIA. The company to produce it in Russia is thought to be the producer of the largest known lab created blue diamond in the world.

Regardless of what you call them these man made, lab grown, lab created stones are getting more and more attention in the worlds jewelry markets. Jewelry designers are taking notice as well. Of course full disclosure of the source of these gems is taking place, it is important to have knowledge that the are coming onto the market.

Although differing opinions on these created gems exist the fact is they are here to stay and are becoming a normal part of the industry. Regardless of what one thinks of these beautiful examples of gems, it is a fact that they are now a permanent part of the jewelry business and one should stay informed about the advances being made in creating them.

5ctLabDiamondNew York–The Gemological Institute of America’s New York laboratory recently evaluated the largest lab-grown blue diamond it’s seen to date, a 5.03-carat stone made by a diamond company based in St. Petersburg, Russia.

According to a Lab Note authored by GIA researchers Kyaw Soe Moe, Paul Johnson, Ulrika D’Haenens-Johansson and Wuyi Wang, the emerald-cut diamond was produced by NDT.

NDT, or New Diamond Technology, is one of the founding members of the new International Grown Diamond Association. It’s also the company that produced the world’s largest known colorless diamond, a 10.02-carat, F color, VS1 stone cut from a 32.26-carat piece of rough and submitted to IGI Hong Kong last year.

The Lab Note stated that the 5.03-carat diamond exhibited a number of traits characteristic of diamonds grown using the high-pressure, high-temperature (HPHT) process, including color zoning and a cuboctahedral growth pattern. READ MORE…

About Rob

I have been designing military coins and jewelry for nearly 40 years now.