Their color is a lustrous, sparkling true red color. Burma Ruby is the rarest and most valuable member of the corundum family. However, ruby colors range from lighter, bright red to deep, reddish-brown. In May of 2015, Sotheby’s Geneva hosted a sale that offered a one-of-a-kind Pigeon Blood Mogok Burmese ruby that managed to break all records when it sold for over $30 million and for over $1 million a carat. In some gem-producing nations such as Sri Lanka, pink colors were always considered ruby, while in many consuming countries it is classified as pink sapphire. Ruby rough is very expensive, so many cutters try to conserve as much weight as possible. Dark and violet red rubies come principally from Thailand. To accommodate these crystal shapes, the most common shapes of fashioned rubies are ovals and cushions, with brilliant-cut crowns of kite-shaped and triangular facets, and step-cut pavilions with concentric rows of rectangular or square facets. Weighing 25.59 karats, The Sunrise Ruby fetched a record $30.42 million at Sotheby’s auction in Geneva in 2015. Other factors that would determine the value of a ruby would be its clarity. The gemstone was, however, recovered from Miami and returned to the safety of the museum. Intersecting needles of the mineral rutile create a common ruby inclusion called silk. A ruby is a variety of corundum mineral which is primarily composed of aluminum oxide. Why is a purplish red ruby the most expensive type you ask? The brightest red - and thus most valuable - rubies are usually from Burma. The most valuable color of ruby is familiarly called, “pigeon blood red.” It is not the most glamorous name, but the color is one of the most heart stopping colors found in the gemstone world. If a gem is cut out of this uncut piece of gemstone, it might result in a ruby that weighs 300 carats, making it one of the world’s biggest piece of cut rubies. The finest ruby has a pure, vibrant red to slightly purplish red color. Generally, all red corundums are classified as rubies while the rest are classified as sapphires. Ruby is the red variety of the mineral Corundum. The color must be neither too dark nor too light to be considered finest quality. The previous titleholder for most expensive ruby was the Graff Ruby, which had sold six months earlier in November 2014 for $8,600,410. Those gems that have highly saturated medium-dark red tones are considered the best. Depending on a ruby’s color, the value of it can be from poor to premium. 15.99ct Burmese Ruby Ring by Verdura. Poorly colored Ruby gemstones are common. When they are intact, they prove the ruby was not heat-treated at very high temperatures. Significant surface-reaching fractures can pose durability threats. Some gem dealers debate the borderline between ruby and pink sapphire. An excellent color can make the difference between an amazing ruby and an average ruby. Long mineral inclusions that intersect can create the star effect when stones are cut as cabochons. At a November 2014 auction held by Christie’s in Hong Kong, an incredible signed Cartier platinum, diamond, and Burmese… These rubies are the most prized and valuable of all rubies. The color must be neither too dark nor too light to be considered finest quality. The first one is that according to color science, purple will bring out the red color more than other hues like pink and orange. Whereas, such rubies that are either too dark or too light red do not come at extremely high prices. According to reports, the Neelanjali Ruby is currently safe in Bangalore, India. The most expensive type of ruby is called 'pigeon-blood ruby' and is a ruby with a slight purple hue to it. Unfortunately, the Liberty Bell Ruby was stolen during a jewelry heist in 2014 and is yet to be recovered. 50 diamonds have also been included in the bell. The 8 1/2 thousand carats large ruby is sculpted to represent a miniature version of the Liberty Bell. People in the trade expect rubies to have at least some inclusions because inclusion-free rubies are practically nonexistent. Traditional descriptions like these are useful for evoking images and describing color among professionals. Inclusions can also limit a ruby’s durability. There is no denying the fact that Burmese rubies are not always flawless. The world’s largest mined ruby, the Liberty Bell Ruby, was discovered in the … A … A ruby’s crystal shape dictates its suitability for certain cuts. Rubies often have … The ruby was discovered in Sri Lanka. Lighter shades are classified as pink sapphires. The presence of rutile silk causes light to scatter across facets that might otherwise be too dark. The presence of chromium in the stone is the main cause for the red color. It set a record as the most expensive colored gemstone ever sold at a US jewelry auction. The brightest and most valuable shade of red called blood-red or pigeon blood, commands a large premium over other rubies of similar quality. GIA is a nonprofit 501(c)(3) organization. Colors range from pink red ruby to a vivid pigeon blood red that is regarded as the finest color for ruby. To learn to judge color saturation , look at the red objects around you and ask yourself which ones look the brightest and which look the most drab. All rights reserved. In ruby it typically appears as red to purplish red in one crystal direction and orangy red in the other. This star ruby weighs 116.75-carats and has a deep purplish red color. One of the rarest rubies in the world, the Prince of Burma is a large uncut ruby weighing 190 g (about 950 carats). All maps, graphics, flags, photos and original descriptions © 2020 worldatlas.com, A List Of The Most Valuable And Word Famous Opals, A List Of The Most Valuable And Word Famous Sapphires, Types Of Crimes By Number Of Offenses In The US. Historically, the word ruby referred to shades of red, which technically included pink. Needles that intersect can also cause the star effect, called asterism, when the stone is cut with a curved upper surface, called a cabochon cut. Even though it's debatable as to what are the most valuable ruby hues and tones, gem dealers agree that pure, vivid colors are far more desirable than dull, muddy, brownish colors. The color of a ruby is assessed based on three attributes: hue, saturation, and tone. Amethyst colors range from pale lilac to deep reddish purple and ranging from transparent to translucent quartz. - Photo: Robert Weldon/GIA. Rubies are made of corundum with chromium present as an impurity. The mines in Myanmar (formerly Burma) have the perfect combination and balance of minerals to create rubies precisely how we like them. By closing this banner or using this site you agree to our revised Privacy Notice, Terms of Service and Cookie Policy. The gemstone is typically blood-red to pink in color. Color is the most important. This precious gemstone traces its origin to Myanmar. This may be a bit of a surprise as the blue ones are so valuable. Obvious inclusions, or inclusions that reduce transparency or brightness, lower a ruby’s value dramatically. The GIA Laboratory uses a controlled set of comparison stones called masterstones to determine if corundum is ruby The laboratory grades its masterstones on the principle that red must be the dominant hue before a stone can be called a ruby. The most valuable ruby gemstones are a dark red known as blood red or pigeon blood. Sapphire comes in every color of the rainbow and the other colors are rarer than the blues. Hue refers to the actual color of the ruby and any secondary colors that may be present. An illustration of how color affects the value of ruby. Rough: Gift of William F. Larson. Despite not being subjected to heat treatment, the gemstone has a unique pigeon-blood red color. Needles might be short or long and slender, and they might appear to be woven tightly together. One of the finest and largest star rubies in the world, the Rosser Reeves Ruby also traces its origin to Sri Lanka. True blue sapphires are the most valuable. The ruby is noted for its prominent star pattern and attractive color. Much darker red or lighter pinker shades are considerably less valuable. With ruby, stones that have an intense red hue are more valuable than those whose color is not as vivid. In 1937, the owner of the gemstone donated it to the American Museum of Natural History (AMNH). The Sunrise Ruby weighs 25.59 carats, with … An exotic type of sapphire also called the Color Changing Sapphire, displays different colors depending on its lighting. Ruby derives its name from “ruber” which in Latin means red. Color is the most significant factor affecting a ruby’s value. Ruby can command the highest prices of any colored gemstone. Such a ruby set in gold as it appears even richer in color because of the yellow gold neutralizing any blue. 'Ruber' in Latin means red, hence the name “ruby.” Considered one of the four precious gemstones, along with emeralds, sapphires, and diamonds, rubies are valuable, beautiful, and fascinating … If large and prominent inclusions are located under the table facet, they greatly diminish the transparency, brilliance, and value of the stone. The world’s largest mined ruby, the Liberty Bell Ruby, was discovered in the 1950’s in eastern Africa. Courtesy: Tommy Wu, Shire Trading Ltd., Hong Kong. We have also included sections for multicolor, color change and star/cat's eye gems. – Photo: Robert Weldon/GIA. The finest ruby has a pure, vibrant red to slightly purplish red color. African rubies are gems of the sun. The most common shape is a flat tabular hexagonal shape, but ruby crystals from some sources can be elongated. Photo: Robert E. Kane/GIA. © 2002 - document.write(new Date().getFullYear()); Gemological Institute of America Inc. GIA is a nonprofit 501(c)(3) organization. Since the ruby was only 8.62 carats, its sale price was only $2,200 shy of the new per-c… Explore ruby history, research, quality factors, and more in the GIA Gem Encyclopedia. The following are … Historically, the term “pigeon’s blood” described the red to slightly purplish or pinkish red color of rubies with a soft, glowing, red fluorescence. The well-balanced combination of trace elements in the ruby lends the gemstone its lovely ‘pigeon blood red’ color. This stone most definitely takes the award for least well-known gem on our list of the … The most valuable among its different variations of colors would be the so-called ‘blood-red’ or ‘pigeon blood’, which characterizes the brightness of its color. As you can see, rubies are available in a variety of shades of red. Even the most sought after blood-red rubies have a blue hue to them and are called “Pigeon’s Blood Ruby” or “Burmese Ruby.” Some rubies are even light pink and are called pink sapphire. Red Gems. For top-color ruby that’s also free of eye-visible inclusions, the price rises even more. The Prince of Burma was discovered in Myanmar’s Dattaw-Mine in 1996. Round, triangular, emerald-cut, pear, and marquise rubies are also available. An untreated, vividly colored large ruby is almost priceless and any untreated ruby gemstone with a good color will demand a very high price. Rubies are commonly cut into oval and cushion shapes. However, the law of supply and demand comes in here. Ruby is distinguished for its bright red color, being the most famed and fabled red gemstone. Cut stone: Courtesy: Edward Boehm. It is also known as the Jubilee Ruby. In most markets, pure red colors command the highest prices and ruby with overtones of orange and purple are less valued. It looks the best in daylight as compared to artificial lighting. Another valuable Sapphire type is the very scarce, orange-pink Padparadscha. Several factors affect the cut and proportion of rubies on the market. The price of a ruby varies widely and is determined by numerous factors like color, clarity, weight in carats, etc. A ruby that has simply been heat treated to bring out the best of its color and clarity will also be extremely valuable while a fracture filled ruby will be considerably less expensive. Clarity isn’t as much a factor in pricing as color, and the Sunrise Ruby’s perfect shade is what sold it. Over time and years of experience trade terms can conjure up perceptions of certain colors and qualities that are associated with a stone’s source. Although some of the other gemstones stolen during this robbery were recovered, a massive ransom amount had to be paid to get back the DeLong Star Ruby. For better-quality material, slight differences in color can make significant differences in value. In fact, the descriptive trade term might represent only a small, yet highly desired percentage of stones from that source. When the mineral is rutile and needles are present in intersecting groups, it is called silk. The primary color is red, and the secondary color is usually orange, purple or pink. The price per carat goes up significantly for ruby as it increases in size. The Liberty Bell Ruby. The world’s most expensive ruby, the Sunrise Ruby, is also the world’s most expensive gemstone other than a diamond. The ruby is of Burmese origin and features a rare color of pigeon’s blood. One can simply not talk about the most valuable gemstones in the world right now without mentioning the Blue Diamond as… JP Morgan donated it to the museum. Relatively speaking, there is an abundance of good quality small sapphires but not rubies. Explore the world of diamonds and colored gemstones. 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