This estate blue zircon ring with baguette diamonds is crafted in 14k white gold, weighs 9.2g and measures 12.5mm wide and 10mm deep. Elaborately designed and of massive and sophisticated aesthetic, this blue zircon estate ring exposes a doubl-refractive 3.17ct oval faceted zircon, measuring 8.66mm long and 6.71mm wide, graded 'vibrant dark aqua-blue' color and 'good' clarity. The fuzziness visible in the close-up photographs of blue zircon is due to the gemstone's high degree of double refraction. Elaborately detailed shoulders of sculptural 'epaulette' design, embellished with openwork teardrop motif silhouettes are cumulatively channel and bead set with 2.00cts of tapered baguette and full-cut diamonds graded K color and SI clarity range. This attention-seeking blue zircon estate ring is presently a size 6, featuring a meticulously ridged white gold band and a sizable shank.
Certain gemstones, primarily zircon in all its varieties, have more than one refractive index, which is the degree to which a beam of light is bent when passing through a gemstone. This is because they belong to crystal systems that have atomic structures causing a ray of light to be resolved into two rays, known as 'double refraction' and the reason close-up pictures of zircon appear ‘fuzzy’. It is interesting to note that zircon possesses the highest degree of double-refraction (1.800 to 1.950) amongst all gemstones discovered to the present day.
Zircon is a naturally occurring gemstone, not to be confused with cubic zirconium, which is a synthetic substance with a completely different chemical composition. Zircon is a mineral belonging to the group of 'nesosilicates', the natural color varying between colorless, yellow-golden, red, brown, blue and green. Colorless specimens of zircon showing gem quality are a popular substitute for diamonds and are known by the name 'Matura diamond'. The name zircon derives either from the Arabic word 'zarqum' meaning vermilion or from the Persian word 'zargun' translated as 'golden-colored'. These words have been fused into 'jargoon', a term applied to light-colored zircons. Zircon occurs in France, Ceylon, Thailand, Cambodia, Vietnam, Nigeria and Tanzania and, together with turquoise, is the traditional birthstone for the month of December.
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