Red diamonds are the rarest of the colored diamonds, with only 20-30 existing in the entire world. They get their beautiful red color from a rare process during their formation, which changes the crystal structure of the diamond and causes light to pass through it differently than colorless diamonds.
Red diamonds are the rarest and some of the most expensive in the world. Also known as Fancy Reds, they come in a variety of shades ranging from orange-red to brownish red. Majority of the world's red diamonds come from the Argyle Diamond Mine in Australia.
In order to assess the grades of colour, coloured diamonds are placed into one of nine categories: faint (least valuable), very light, light, fancy light, fancy, fancy dark, fancy intense, fancy deep and fancy vivid (the rarest and most expensive).
D Color Diamonds (Absolutely Colorless)
D color diamond is the highest grade and is extremely rare—the highest color grade that money can buy.
The highest color grade for a diamond is “D”. “D” color diamonds are very rare and not commonly found in traditional jewelry. Most diamonds used in jewelry have a slight presence of color. It is possible for diamonds to have a very high concentration of desirable color.
The four shapes that look the largest per carat are (in order of which looks the largest): marquise, pear, oval, and emerald diamonds. Among these shapes, oval diamonds are a top choice among those who want a classic-style engagement ring, yet want to maximize the size of their engagement ring's center diamond.
H vs G Color Diamond
For most diamond shapes, h color is a great stone to go for. It is versatile and luxuriant. Since both G & H diamonds fall in the same near colorless category, with G being the higher quality choice.
1. The Cullinan Diamond. The world's biggest diamond is the Cullinan Diamond, discovered in the Premier Mine in South Africa in 1905. Named for the owner of the mine, Thomas Cullinan, the Cullinan Diamond was a massive 3,106 carats in its uncut state: that's 1-1/3 pounds!
Diamond color is typically graded on a scale descending from D, which means no hint of color, to Z, which means light yellow or light brown. An E color diamond is high on this scale, in a range described as “colorless” by gemologists which includes D, E and F colors.
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.
Why? Although most black diamonds on the market today are either superheated or irradiated to an almost black color, natural black diamonds do exist, though they are extremely rare.
On average, the retail price for one carat diamonds can be anywhere between $2,000 to $16,000, and between $8,000 to $72,000 for two carat diamonds . And of course, the retail price and the resale value of a diamond are very different things.
Over its 350-year history, the Hope Diamond has become one of the most famous cursed diamonds. After being stolen and recut, it is said to have contributed to the downfall and death of its owners. Discovered in India in 1673, it was originally a 115-carat blue diamond.
Ammolite. In 1981, the World Jewellery Confederation (CIBJO) declared ammolite a new organic gem. Occurring in limited deposits in the Rocky Mountains, this gem material is much rarer than diamond.
Blood diamonds are rare, and thankfully rebel groups often struggle to mine the precious stones.
The F color grade is a great choice. This is the lowest of the three colorless diamond grades, which makes it the most economical way to enjoy that sparkly, icy look. F-grade stones account for 20 percent of diamonds sold at Blue Nile.
Does Diamond Color Matter? Color is the second most important of the 4Cs because the color grade directly affects the stone's appearance. Diamonds with a poor color grade can appear slightly yellow instead of the desired brilliant white.
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.
What are the least expensive/most affordable diamond Cuts? Carat-per-carat, emerald and Asscher cuts are the least expensive. Because they are step-cut, there is less waste when these diamonds are cut off of the rough stone, which is going to cost the same no matter how it gets cut.
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. Due to its uniqueness, the diamond is said to be priceless.
I3 diamond clarity is officially the lowest diamond clarity grade available. But what does I3 mean? Firstly the letter 'I' stands for inclusions or included. The number '3' refers to the third-worst 'I' grade in sequence.
The first in the faint tint range, K color diamonds have a slight yellow tint that's visible even to the naked eye. L color diamonds have a yellow tint that's visible to the naked eye, and M color diamonds have a definite yellow tint that's visible to the naked eye.
But I-color diamonds are a very good option, especially for yellow and rose gold engagement rings. I-color diamonds will look brightest in round brilliant diamonds and other well-cut brilliant diamond shapes like ovals, cushions, and princess cuts in sizes up to about one-carat.
H color diamonds are part of the “near-colorless” area of the GIA's color scale. This means that they appear almost totally colorless when they're viewed with the naked eye, but could show a slight yellow tint when they're viewed under magnification by an expert gemologist.