So stylish, this gemstone White and blue sapphire engagement ring will take her breath away. Crafted in 14K white gold, this exceptional vintage design features a 6.0mm bright blue sapphire center stone that catches the eye. Smaller white sapphires, bordered with shimmering accent diamonds.
Star sapphires usually have six ray stars, but twelve ray stars are also known. Rarely, when sapphires are cut en cabochon, they can demonstrate a cat's eye effect.
This effect displays a thin band of light down the center of the stone and is known as chatoyancy. Heating colorless and very pale blue sapphires to high temperatures is done to give them an intense blue color This treatment can also improve the clarity of the stones by removing tiny inclusions. A rare variety of sapphire, known as color changing sapphire, exhibits different colors in different light.A color change sapphire is blue in natural light, and violet in artificial light. A similar effect is also seen in alexandrite. About Star Sapphire - History and Introduction. Star sapphire is rare variety of sapphire. That exhibits a rare asterism. When viewing star sapphire, a six-rayed star will appear to float across the surface of the stone.
The effect is best viewed under a direct light source and while tilting and rotating the stone from different angles. Star sapphires contain unusual tiny needle-like inclusions of rutile. Aligned needles that intersect each other at varying angles produce the rare phenomenon known as asterism. Star sapphires can range in color from blue in various tones to pink, orange, yellow, green, lavender, gray or black.The most desirable color is a vivid, intense blue. Most star sapphire exhibits a white star, but star sapphire from Thailand is famed for its gold colored asterism. Sapphire is a member of the corundum family and is closely related to ruby. The red to pink-red gem-quality variety of corundum. The name'corundum' comes from the Sanskrit word'kuruvindam', meaning'ruby sapphire', while the term'sapphire' is derived from the Persian word'safir', which originates from the Greek word for'blue'. Blue is indeed the best-known and the most valuable of sapphire colors. The prized Kashmir and Burmese sapphires have a deep blue that is described as both intense and velvety. These sapphires are not often seen on the market today. Sri Lankan and Madagascar sapphires are the most common today, with a wide range of colors from light blue to dark blue. With blue sapphire, the intensity of blue is the most important factor. For example, a huge sapphire with a washed-out, weak blue color is much less valuable than a much smaller stone of excellent color.
An intense, rich pure cornflower blue that is not too dark or too'inky' is the most desirable color. Overall, sapphires that are too dark or too light in color are less valuable, but light-blue sapphires often have greater brilliance that is rarely found in darker blue stones.
Colorless sapphires are actually quite rare, since most stones will exhibit some faint hints of color. In the gem trade, when referring to sapphire, blue sapphire is the official designation; all other colors, including pink, green, orange, purple and white sapphire, are referred to as'fancy sapphire'.
Folklore, Legend, and Healing Properties. Its powers include spiritual enlightenment and inner peace. Sapphire is believed to offer healing properties for rheumatism, colic, and mental illness. It is also considered an antidepressant and an aid to psychokinesis, telepathy, clairvoyance and astral projection. The item "VINTAGE 14K WHITE GOLD GENUINE BLUE STAR SAPPHIRE & WHITE RING SIGNED FLOWER" is in sale since Wednesday, June 20, 2018.This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Rings\Gemstone". The seller is "4744366" and is located in Andover, Massachusetts. This item can be shipped to United States.