Additionally the can affect the structural integrity of the ruby, especially when setting the ruby in jewelry. CLARITY SCALE… Rubies are typically graded on a letter scale with AAA being the best and ranging down. Different grading systems are used to determine the quality of this precious gemstone, depending on what factor is being graded. In the world of diamonds, clarity is one of the four "C's" that determine value, along with color, cut and carat weight. SI1 - Slightly included. Rutile needles, or silk, can sometimes add to a gem's look. Included Included. Scratches can often be polished away; however, it depends on the size, location and depth of the scratch. Colored Gemstone Clarity Scale. They often look a bit glassy and impact light performance, but less so on color. It’s not as amazing as the AA grade, but it’s still considered to be great. There are large or many inclusions that can easily be seen with 10x magnification, and they’re also apparent to the naked eye. 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All rubies are primarily red but do have other secondary colors. These are the top 5% of natural rubisapphirees that are available. Jul 30, 2015 - :: StarRuby.in :: 1.86-Carat Splendid Intense Red Ruby from Mozambique :: Product Details: SIZE : (LxWxH) : 1.30 x 1.30 x 0.80 MM. They have minimal eye-visible inclusions and a beautiful transparency. Because, crystals are typically white or black, their signficantly impact the rubies color, visibility and light performance. This reduces the rough wastage and also helps the color of the ruby to shine through. The GIA diamond grading scale is divided into 6 categories and 11 diamond clarity grades. For example, different hues include red, slight orange, strong orange, slight purple, and strong purple. When describing hue, list modifying terms first and capitalized the predominant color. GemSelect suggests using Rubies in ring designs, necklaces designs, and earrings. When they are intact, they prove the ruby was not heat-treated at very high temperatures. Clarity Scale. SIZE : (LxWxH) : 4.15 x 1.98 x 0.91 MM. While undergoing this treatment, the ruby is placed under a high temperature of 1800 degrees. 2016 - Pinkish Red. Finally, describe the gem’s saturation or “intensity” on a scale of one to six, where the most highly saturated gems receive a six. Many inclusions and blemishes are too tiny to be seen by anyone other than a trained diamond grader. Natural Ruby ALGT Certificate: 90886522 Weight: 2.09 ct Shape: Oval (excellent cut) Clarity: Transparent Size: 9.10 x 7.40 x 2.76 mm Colour: Deep Red Luster: Superior Hardness: 9 on Moh's scale Treatment: indication of heating present and moderate residue in healed fissures Origin: Burma Remarks This is the true picture exclusive to Catawiki, to show details of the stone. ORIGIN : Mozambique. Cabochon Ruby. COLOR : Red. This creates a barrier and prevents the rubies from sticking together during the heating process. Difference in price - a few thousand dollars on a carat to carat basis. The heat dissolves the rutile inclusions and improve the color, transparency and clarity of the ruby. They can look like small pinpoints or grains. The ruby is bleached and treated with the addition of a liquified glass. Ideally, they are located away from the surface so lower visibility in the gemstone. If very deep, a lot of weight loss may result from a scratch. Beryllium Diffused Rubies: In this treatment, beryllium is added to the ruby as it is being heated. The more vivid the red of ruby, the blue of sapphire or the green of emerald, the more valuable that gem will be, all other things being equal. They have minimal eye-visible inclusions and a beautiful transparency. Cutters try to preserve the red hue and tone to make the color even. With Clarity does not use any flux healed rubies to craft jewelry. Inclusions can typically be seen with the naked eye, while others can be seen with a 10x microscope. Clarity refers to the presence of inclusions, that can affect the transparency and impact how it emits and reflects light. The primary inclusions located under the table facet are not readily visible without magnification, but they’re right there if you know where and what to look for. The vast majority of natural rubies contain inclusions. Transparency is similar to the clarity in rubies. Crystals - solid inclusions ranging in shape and size, Needles - Long and thin inclusions that consist of crystals or tubes filled with gas or liquid, Silk - Fine fibers of rutile or other minerals that resemble silk. Color and carat or size have the greatest effect on a ruby’s value. Natural Ruby. ORIGIN : Burma. Inclusions are natural. These inclusions can have litle impact on ruby color and clarity. The color saturation categories include vivid, strong, fair, medium, and weak. 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