Red diamonds are the most expensive colored diamonds. Currently, only about 20 to 30 exist in the world. These diamonds derive their red shade during the mining formation. The process is uncommon, explaining why red diamonds are rare and extremely small in size.
Arguably, fancy blue diamonds are the second rarest diamonds on the market. Comprising only 1% of all the mined colored diamonds in the world, blue diamonds are often associated with royalty. The color grading ranges from a very faint blue to a fancy vivid blue.
Brown diamonds are generally the least expensive of natural fancy colors. As with colored stones in general, color is paramount for fancy colored diamond pricing. Other quality factors like clarity and cut do not affect prices as much as with colorless diamonds.
D color diamond is the highest grade and is extremely rare—the highest color grade that money can buy.
Flawless is the top grade in the GIA Clarity Grading System. Diamonds graded Flawless don't have visible inclusions or blemishes when examined under 10-power (10X) magnification by a skilled and experienced grader. As clarity increases, and if all other value factors are equal, diamond price per carat also increases.
Tiffany only accepts engagement diamonds in the “colorless” and “near colorless” range on a diamond color scale. In other words, for engagement rings, Tiffany only accepts D color diamonds, E color diamonds, F color diamonds, G color diamonds, H color diamonds and I color diamonds.
The pear or marquise cut is often the least expensive diamond form. Because they are less common than round, princess, and cushion cuts, these diamond shapes are less expensive. It's crucial to remember that a diamond's price is also influenced by carat weight, color, clarity, and cut quality.
Koh-I-Noor means 'Mountain of Light', and the gem is considered the world's most famous priceless diamond. Originally weighing 793 carats, it has been cut and polished over centuries into the present form of a 105.6-carat gem.
The Moussaieff Red Diamond's New Home
Sometime between 2001 and 2002, the Red Shield Diamond was purchased from Goldberg by Shlomo Moussaieff, an Israel-born London jeweller and the founder of Moussaieff Jewellers Ltd. The stunning diamond was acquired for an estimated $8 million and renamed the Moussaieff Red Diamond.
The best diamond color grade is D color. This means the diamond is completely clear with no shade of yellow (or anything else) in it. The best color for a diamond that you will put in your engagement ring is not D. You can put a G, H or I color diamond in a ring and it will look the same while costing a lot less.
Because diamonds reflect white light, colorless diamonds produce the best sparkle and fire. In fact, the more color a diamond has, the less likely it is to reflect white light. And as a result, will produce less sparkle. A D-color diamond is the highest quality, and will offer the greatest sparkle.
The majority of mined diamonds fall between white and pale yellow or brown; what is known as the normal color range. Diamonds of more intense color (usually yellow, but in some cases red, green or blue) are termed fancy color diamonds.
Round Cut Diamonds Sparkle The Most
The standard round cut diamond comprises 57 facets (58 including one on the bezel). This cut heightens the diamond's sparkle and shine. Because round diamonds have the largest number of facets, they create the most sparkle.
Kohinoor is the most expensive diamond in the world. As per reports, the oval 109 carat diamond weighs 21.6 grams and is the main diamond of the British Crown. Its origin is traced back to India with Queen Elizabeth II being the current owner of the diamond.
1. ROUND BRILLIANT DIAMOND. By far the most popular cut is the Round Brilliant, with it's fifty-seven perfectly aligned facets it's brilliance really does out-shine the others. Total internal reflection is the key here; light travels through the stone giving optimum sparkle and scintillation.
1.00 Carat
Because it's the most popular weight, diamonds experience a price jump at 1.00 ct. The price jump is especially high for round diamonds, and, at this weight, you'll get the most savings by choosing a fancy shape.
The Golden Jubilee diamond
In 1997, the diamond was presented to the King of Thailand after it took specialists a few years to cut and polish. Today, the largest finished diamond is owned by the Royal Family of Thailand.
A diamond with a poor clarity grade has multiple inclusions, which directly affects sparkle. Because inclusions hinder the refraction and return of light, the lower the clarity grade, the cloudier the diamond will appear.
Round brilliant cut diamonds are easily the most expensive diamond shape. In part, that's because round is the most popular diamond shape. More than half of all the diamonds sold today are round diamonds. This incredible popularity means that diamond miners and retailers can charge more for such an in-demand shape.
Cubic zirconia, also known as CZ, is one of the most widely used stones to imitate a real diamond. The reason for its popularity is the affordable price, which is only a fraction of what a real diamond costs.
Diamond color is graded on a scale from D to Z, with D being the highest and most colorless grade, and Z being the lowest and most visibly yellow or brown grade. F falls near the top of this scale, and it is considered to be a very good color grade for diamonds.