As a leading corundum manufacturer, Durastar uses the purest and best material to apply Verneuil Process to produce star ruby, sapphire, and other synthetic gemstones like corundum and spinel, which are usually made for use of jewelry making.
We follow Verneuil Process to deliver semi-finished either finished crystalline solid product. By using the oxyhydrogen flame (reaches 2,050°C (3,722 °F) to melt dopped alumina powder into small droplets, the drops will laying on one and other and gradually become a crystalline. The heat treatment is essential when making crystalline, it will easily cause default to the product if the process was not being controlled properly.
Our rich experience allows us to effectively and successfully manage the gemstones making process. We spend three decades in this area so we can become the best, the most unique and professional synthetic gemstones manufacturer.
Diamond without crafting will always remain as a rock, it cannot shine, it will not have its beautiful refraction. A good jewelry crafting skill is extremely important when it comes to making loose stones.
We are not only providing round and all the common fancy shapes such as square, baguette, tapper baguette and heart, we also do special cuttings on demand. So far we have over hundreds of cutting charts in our archive which can satisfy our customers’ request.
Our knowledge and experience allow us to deliver better-than-expected gem cutting, only those who understand gemstone component can make the stone shine like the evening star.
Our background and connection allow us to be creative and flexible when it comes to our jewelry and accessory design. We constantly study lastest jewelry and accessory trend so we can be ahead of time.
Star Ruby and Star Sapphire belong to Corundum family, also calls as Linde Star, Royal Star, and Durastar. The main compound is Alumina- Hexagonal column crystal. Its biological and chemical compound is the same as natural star stone. Its melting point is at 2050℃ and reaches Mohs 9゜
The reason that Synthetic star stone is so precious is that the procedure is difficult and it takes time. Every small step counts. One little carelessness will cause a huge difference in quality.
In order to avoid crystal burst during the process and create its’ special aster effect, twice heat treatments are essential when it comes to making Star Ruby and Star Sapphire. Therefore, to produce synthetic Star stones, requires time, patience and of course, experience.
Star Ruby and Star Sapphire are the signature products in Durable Star, we have more than three decades of experience in making this specific item. In fact, Star Ruby and Star Sapphire are how we start this whole company in the begin with.