He had a good idea of the type of stone he wanted in the center, and we worked through the options for complementary features until he was sure we had just the right mix. It was created for a client from Redmond, WA, who came into our Bellevue, WA showroom in person to get the custom design process started. This gorgeous engagement ring features a cushion cut blue-green sapphire in the center, accented by split prong and bezel set diamonds on the platinum shank below. Schedule an appointment with your own personal jewelry consultant. Work directly with a designer to create your own unique engagement ring. Synthetic gems have the same chemical, optical, and physical properties of their natural counterparts, but are a more cost-effective alternative to a natural gem.Choose elements you like and a designer will create a drawing and free estimate. The molten powder repeatedly falls from the flame onto a rotating pedestal, creating a synthetic crystal, called a boule, which can later be faceted into a gemstone. Powdered chemicals (the building blocks of the gem) are dropped through a high-temperature flame. The flame fusion process for creating gems, also called the Verneuil process, is the most affordable and common synthesis method for producing corundum (ruby and sapphire) and spinel. When two or more intersecting bands appear, a star pattern is formed. Light that strikes the inclusions within the gem reflects off of the inclusions, creating a narrow band of light. Synthetic star sapphire exhibits the optical phenomenon called asterism, a star-like pattern created on the surface of a gemstone when light encounters parallel fibrous, or needle-like, inclusions within its crystal structure.
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