WebGIA evaluates ruby but does not grade it. A GIA Colored Stone Identification & Origin Report assesses the characteristics of a ruby (weight, measurements, shape, cutting … Web4.50 Cts Natural Red Ruby Radiant Cut Museam Grade Certified Gemstone. $6.99. Free shipping. 25.22 Cts Natural Red Ruby Radiant Cut Museam Grade Certified Gemstone. $7.99. Free shipping. 25.10 Cts Natural Red Ruby Radiant Cut Museam Grade Certified Gemstone. $7.99. Free shipping.
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WebMar 1, 2024 · To the degree that there are inclusions present that interfere with the clarity or transparency of the stone is how a ruby will be graded. How Cut is Graded in Rubies. The cut of an ideal ruby will have a depth and width ratio higher than diamond cuts will have. A good quality of ruby will have a depth percentage of 65% to 80%. WebPlease do not ask for 1.00 to 2.00 color grades. Because of the AGL's stringent grading practices, a 3.5 color is usually the best color grade any gem will receive. A 3.5 colored stone on an AGL Grading Report is nearly synonymous with a D-color diamond on a GIA Diamond Grading Report. On occasion, because of our international contacts, we may ... WebThis makes ruby one of the most important gems in the colored stone market. In its purest form, the mineral corundum is colorless. Trace elements that become part of the mineral’s crystal structure cause variations in its color. Chromium is the trace element that causes ruby’s red color. Ruby Description. how far is 194 fries mill road