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What is the difference between Lab Grown Diamonds and Moissanites?

Thursday, August 13th, 2020

We often get asked what the difference is between our Moissanite & Cultivated Lab Grown Diamonds. While both are grown in a lab, their original structure is what separates them, Lab Grown Diamonds are made from carbon, while Moissanites are made from silicon carbide.

Lab Grown Diamonds are certified diamonds and, while Moissanites have a magic of their own, they are not diamonds, they are gemstones.

A gemstone’s brilliance is determined by the gemstone’s ability to reflect white light. The sparkle of moissanite is often rainbow coloured rather than colourless.
Cultivated Lab Grown Diamonds are identical both visually and molecularly to traditionally mined diamonds. They are just as durable as traditionally mined diamonds, sitting at the top of the internationally recognised MOHS scale for gemstone hardness.


Let’s Look Further:

What are Cultivated Lab Grown Diamonds?
Cultivated lab grown diamonds are grown in a lab from a natural diamond seed, using the age old combination of carbon, heat, pressure and time. They are visually and molecularly identical to a traditionally mined diamond and are an amazing gemstone if you want the incredible sparkle of a classic diamond, but a more sustainable alternative.

How Are They Formed?
A thin slice of diamond is placed into a sealed chamber, this is known as a diamond seed. Tremendous heat and pressure is applied to the diamond seed, mimicking the conditions in the earth’s crust. A rough cultivated lab grown diamond is formed, identical to a traditional mined diamond which is then hand-cut and polished.



What is Moissanite?
Moissanite is the most brilliantly sparkling gemstone, grown in a lab with minimal environmental impact. We have sourced our moissanite gemstones from Charles & Colvard in New York bringing you a hand cut, socially responsible and eternally brilliant gemstone.



Moissanite is a rare mineral, first discovered by Dr. Henri Moissan in a meteorite crater in Arizona in 1893. He discovered the precious gem in a meteorite crater in Arizona while examining rock samples from the meteorite that fell from the sky. At first, Henri thought that he had discovered diamonds. He later realised that the crystals were made of silicon carbide, making it one of the rarest minerals found in nature.

How is it formed?
As moissanite is so incredibly rare in nature, Henri wanted to find a way that science could reproduce this remarkable natural mineral. Nearly a century later and after years of experimentation, scientists at Charles & Colvard developed a process for developing moissanite in a lab by using a patented thermal growing process. Single-crystal moissanite is manufactured through a patented thermal growing process, the specifics of which are proprietary. The process is very difficult and is performed by only one company in the world, Charles & Colvard.

If you would like to take a closer look at both of these options, you can book a Digital Jewellery Appointment and one of our Jewellery Experts can help you choose!

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