Marquise lab diamonds are a sophisticated new spin on traditional mined diamonds. At Crysdiam we focus on the manufacture of these beautiful diamonds with revolutionary techniques, producing amazing stones suitable for any jewel. The marquise cut, which has a long, oval body with pointed ends, is perfect for those who want their rings, necklaces and earrings to have an elegant look. Let’s take a deep dive into the world of marquise lab-grown diamonds and discover the limitless choice you have with them.



Crysdiam was the first company to build an MPCVD reactor in China in 2013. Crysdiam has full marquise lab grown diamond. Furthermore, Crysdiam independently developed various types of laser equipment as well as grinding and polishing equipment. Crysdiam is able to rapidly react and create custom products by vertically linking RD in equipment, diamond production, processing diamonds, and jewelry manufacturing.
With over 1500 MPCVD-equipped reactors and a highly equipped state-of-the-art factory, Crysdiam ranks as a marquise lab grown diamond on a the scale of production and the technological level. Our stable supply of laboratory-grown diamonds of various shapes, sizes and colors will address the worries our clients have regarding supply chain security.
Crysdiam is among the very few CVD manufacturers in the world capable of producing marquise lab grown diamond colored diamonds with colors like D/E/F are advanced. Our development technologies for fancy colored lab-grown stones like pink and blue have also been refined. In addition, Crysdiam is able to provide high-quality lab-grown diamonds in calibrated sizes, which can significantly increase the efficiency of later jewelry manufacturing processes.
marquise lab grown diamond the maximum size of our single-crystal CVD diamond is 60mm x 60mm We can dope diamonds with elements like N and P to obtain an extremely high purity of 1ppb Our processing capabilities for precision allow us to create diamond surfaces with a roughness less than 0 5nm Crysdiam's advanced diamond materials can be utilized for industrial and scientific applications
White and fancy color lab-grown diamonds in various sizes and shapes;
Offered as certified/uncertified stones, matched pairs, and calibrated parcels.