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Different shapes of diamonds8/22/2023 Orange hues are more often accompanied by secondary hues of brown and yellow, and occasionally pink and red. The orange colour is vibrant and rich, occurring in extremely high saturations. Natural orange diamonds without a modifying hue are incredibly rare, similar to red and violet diamonds. This is the same anomaly linked to brown and red colours. The cause of colour is linked to a structural defect, rather than impurity, known as plastic deformation. They’re primarily from the Argyle mine in Australia, which has sourced over 90% of the world’s pinks.Ī fancy pink without a modifying hue is particularly rare, as they’re often accompanied by highlights of purple, brown or orange, creating an impressive range of appearances. On very rare occasions, black may also be the result of highly saturated dark green, linked to presence of nitrogen in very high concentrations.įancy pink diamonds are amongst the most popular of colours in today’s trade. Many dark inclusions overtake the colour caused by the atomic structure. ![]() Due to the opacity, their attractiveness is centred on the lustre and subsequent scintillation that is produced, rather than brilliance and fire.īoth grey and black colours are a result of heavily included material. Natural black diamonds are a rare occurrence in nature, and offer a unique appearance compared to other diamonds. Grey is a modifying hue for most other fancy colours, but more commonly seen with blue and violet fancy colours. Natural grey colours vary in tone from light grey to dark grey and eventually to the black end of the tone scale. The colour is produced by the stretching and snapping of atomic bonds, caused by sheer pressure during the growth process. The brown range – with underlying hues towards yellow or red, together with modifiers like green, orange or pink – Is the most broadly occurring fancy colour range. ![]() ![]() The brown colouration doesn’t occur in the same higher levels of saturation as other hues, such as yellow. In their natural state they’re mostly found in specific locations, such as Australia. Brownįancy brown diamonds are another more frequently encountered colour. The concentration and arrangement of nitrogen atoms within the structure controls the strength of colour exhibited. The colouration is created by the presence of nitrogen as an impurity. It is also common for other hues of brown, green and orange to have yellow highlights as a modifying colour. Yellow hues can occur with very high levels of saturation, producing a vivid and strong appearance compared to other hues, which results in a broad colour range. However, they’re still much rarer than colourless diamonds. Emerald-cut diamonds feature an elongated, rectangular shape, and step-cut facets.įancy yellow diamonds are one of the more frequently encountered fancy colours in nature. Emerald-cut diamondsįor a classic choice, the emerald cut is the embodiment of glamour and eye-catching depth. They are another popular choice, as they often display a similar sparkle to round brilliant cut diamonds. Princess-cut diamondsĭepending on the length-to-width ratio, princess-cut diamonds can appear square or rectangular. This diamond shape was very popular in the 1800s – a true vintage cut that has transcended trends and remains a popular choice for an engagement ring setting. Cushion-cut diamondsĪ cushion has a square or rectangular outline, but with a rounded corner that gives the diamond a “pillow-cut” shape. This is due to the round girdle outline, eight bezel facets, eight pavilion facets and sixteen upper and lower girdle facets on the crown and pavilion, plus a table facet and eight star facets on the crown (57 facets in total). Round brilliant diamonds are cut to enhance brilliance, creating a show of sparkle and contrast. The round brilliant cut is one of the most popular diamond shapes for its intense sparkle.
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