Egg noodle convex circle convex form, also called egg noodle, or convex circular cutting, is precious stones after pondering, the bottom is flat, the above is the circular arch, like a semicircle dome of the church. It is deliberately by grinding and polishing into this kind of special shape. Circular high up on the surface can be a little higher, can be shorter, according to you want to reach the effect. Convex circle are often used to grind the colored gemstones, especially with special optical effect of various colored gems of translucent or opaque, is used to highlight their color. Also, because a lot of precious stones are more fragile, using convex shape cutting more secure. Some gems, for example, ruby and sapphire, in some cases, they present a very special inclusions, referred to as the star. Astral, also known as the star effect, is a kind of optical phenomenon. At this point, the convex form will be used to grinding with the inclusion of gems. This phenomenon is due to inclusions are elongated linear, different line inside the stone cross at a certain point of view. Under the floating light in a curved shape cutting grinding stones of the inclusions show star general light, often characterized by radiant or six star line. Because it is very unique and attractive optical phenomenon, convex shape become more and more popular, get more and more people. Choose convex round gems engagement ring no matter whether you want to a stone looks like pieces of the stars of, or an ornate ruby make an engagement ring, the convex circle will be very suitable for you. To its global customers with excellent gem, at the same time to build them inlaid into the most elegant seiko jewelry. If you're looking for a perfect of convex form gem engagement ring, whether it be a single diamond ring, or with halo halo of inlaid ring, we'll be glad to assist you, provide you with the right advice, for you to choose the most beautiful ring. Don't hesitate to have a look at our classic engagement ring series products!