![]() The Diamond Jubilee celebrates Her Majesty’s 60 years as Monarch. It not matches 60 of her outfits with the corresponding Pantone color, but is also shaped like her. If you'd like to talk to an expert gemologist, or a member of our friendly Customer Care Team about choosing the perfect diamond colour for you, please get in touch on or enter into a Live Chat as you prefer. London-based ad agency Leo Burnett created the Pantone Queen: Diamond Jubilee Color Guide, a Pantone color deck created for Queen Elizabeth II’s Diamond Jubilee celebration. The less body color in a white diamond, the more true color it will reflect, and thus the greater its value. However in a white diamond, the presence of a yellow tint will lower the price of a diamond. Overall, fluorescence should not be a major factor in the diamond purchase since its effects on appearance are negligible, if not slightly positive. Diamonds come in a variety of colors, some of them highly prized (pinks, blues, even yellow). For this reason, H-I diamonds tend to sell at a slight premium when they possess Medium to Very Strong fluorescence. The visible effects of faint to medium fluorescence are perceptible only to a gemmologist using a special UV light source.īecause the fluorescent glow is usually blue (which is the complementary colour to yellow) fluorescence can make diamonds of H-I colour appear up to one grade whiter. ![]() The effect was most noticeable in the I-K colours. In the table up position, diamonds of Strong or Very Strong fluorescence appeared to have better colour than less fluorescent stones. A GIA Study Of Diamond Fluorescence:Ī study performed in 1997 by the GIA found that the level of fluorescence has no widely perceptible effect on the colour appearance or transparency of diamonds when viewed table down (upside down). A diamonds color refers to a diamonds transparency, or lack of color saturation. Roughly 30% of diamonds fluoresce to some degree. Red diamonds are the rarest, with only around 20 to 30 true red diamonds known to be in existence. Diamonds graded better than J are colourless or near colourless.įluorescence refers to a diamond's tendency to emit a soft colour glow when subjected to ultraviolet light (such as a "black light"). Fancy coloured diamonds manifest in a range of tones including green, blue, yellow, orange, pink and red. Snowflake H690 Polar White H691 Diamond H600: Amber H621 Aquamarine H660: Aventurine H622 Bronze H710: Citrine H640 Copper H720: Hematite H671 Jade H650: Moonstone H670 Onyx H680: Opal. Colors may vary due to job site conditions, absorption of tile. We only offer our customers the finest diamonds with a colour grade of between D and I. The Bostik Grout & Sealant Color Guide is provided for initial color selection. Light Yellow What Colour Diamonds Do You Offer?
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