What makes a diamond red?

What makes a diamond red in colour? Unlike other fancy colour diamonds that derive their colour from impurities such a nitrogen and borono, red diamonds are made purely from carbon, just like colourless diamonds. The red colour of the diamond is created by a rare occurrence in its atomic structure.

Can real diamonds be red?

Red diamonds are so rare that a shockingly low number of pure red diamonds actually are known to exist. Currently, only 20-30 pure red diamonds have been found, and most of those diamonds are less than half a carat in size. The expense of a red diamond is not just prestige.

Are red diamonds valuable?

Pure red diamonds go for about 1 million dollars per carat. These stones can be costly and are not as widely available as other fancy colored diamonds. The rarity of the stones combined with demand and price inflation causes them to be some of the most expensive gems in the world.

What is red diamond called?

A similar use of "red" and "pink" in gemology is in the grading of gem corundum. Corundum with a vivid red color is called "ruby", while corundum with a light red color is called "pink sapphire" or "fancy sapphire". The difference in price between a "ruby" and a "pink sapphire" can be significant.

Why are red diamonds expensive?

Red diamond gets its exorbitant value from its rarity and composition. It bears no chemical impurities, yet it exhibits a unique colouration. Fancy coloured diamonds are highly sought after, but red diamonds are the rarest and purest. This makes their per-carat price significantly higher than other diamonds.

Top 10 | Most Beautiful and Rare Red Diamonds

Are red diamonds rubies?

A true, pure red diamond does not resemble a ruby, a garnet, or any other red gemstone in terms of the color. A red diamond's coloring is slightly gentler.

Who owns a red diamond?

The largest red diamond in the world, the 5.11 carat Moussaieff Red, was discovered in Brazil in the 1990s and is currently owned by jeweler Moussaieff.

What is the rarest diamond color?

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.

How much is a 1 carat red diamond worth?

Still, their rarity and their intense, crimson color make them the most expensive per carat of all the colored diamonds, and on average will cost over $1 million per carat. The largest red diamond ever sold, weighing 5.11 carats, was bought for $8 million, at $1.6 million per carat.

What are red diamonds found in?

The majority of Red Diamonds come from Australia, particularly from the Argyle Diamond Mine, famous for the world's best pink, violet, blue and brown diamonds. In some cases, red diamonds have been found in small areas in South America, parts of Russia and in India.

Are red diamonds treated?

Most treated red diamonds get their color from a combination of heat and irradiation, though some older stones were given colored foil backings to give the illusion of color.

Is a black diamond real?

Black diamonds are real diamonds. Natural diamonds, Carbonados, and treated black diamonds are all found in nature. Unlike natural diamonds and Carbonados, treated black diamonds aren't naturally black, they're treated with heat to get their color.

Why are there no more red diamonds?

Although all natural fancy coloured diamonds are extremely rare, none are more so than the red diamond. Found mostly in Africa, Australia and Brazil, red diamonds are so rare that only around twenty to thirty true red diamonds are known to exist and most are less than half a carat in size.

Are Blood Diamonds red?

Blood diamonds (also called conflict diamonds, brown diamonds, hot diamonds, or red diamonds) are diamonds mined in a war zone and sold to finance an insurgency, an invading army's war efforts, or a warlord's activity.

Do purple diamonds exist?

The actual color of a purple diamond can range from very light lilac or near-pink to a deep and vivid color. The color can also range from a pinkish-purple to one with a cooler blue tone. Even though natural purple diamonds are very rare, there is a growing interest in purple colored diamonds.

What is a rainbow diamond?

“Rainbow diamonds” is a commercial name used for synthetic rutile (or titanium dioxide), a diamond stimulant introduced in 1948 and popularized for some of its gemmological properties, which were close to those of natural diamonds.

What is the cheapest color diamond?

To group the colors based on prices the relatively affordable colored diamonds are grey, brown and fancy yellow. Going to mid ranging prices it can be an intense and vivid yellow diamonds and orange diamonds. A group higher in prices are pink, purple, violet, green and blue diamonds.

Do rainbow diamonds exist?

These diamonds are what we call fancy color diamonds. These rare diamonds come in every color of the rainbow, including: blue, green, pink, and red. When light enters into a diamond the stone absorbs some of the wavelengths (spectral bands) and returns the others back to our eyes.

Do green diamonds exist?

Green diamonds, when fashioned as gems, very rarely have a pronounced green body color. The most famous natural-color green diamond is considered by many to be the Dresden Green – the largest-known natural green diamond weighing approximately 41 carats. The Dresden Green has a storied history.

What is the most famous red diamond?

The Hancock Red is one of the most famous red diamonds. At the time of its sale in 1987 it was the most expensive per-carat gemstone ever sold at auction. The hammer came down at $880,000—a remarkable $926,315 per carat, eight times its pre-sale estimate.

What is the biggest blue diamond ever found?

Named "The De Beers Cullinan Blue," the massive 15.10-carat step-cut gem sold at Sotheby's in Hong Kong after an eight-minute bidding war among four hopeful buyers, according to Sotheby's.

What is ruby diamond?

Ruby is one of the most popular traditional jewelry gems and is very durable. Other varieties of gem-quality corundum are called sapphires. Ruby is one of the traditional cardinal gems, alongside amethyst, sapphire, emerald, and diamond. The word ruby comes from ruber, Latin for red.

How can you tell a red diamond from a ruby?

Ruby's reserves are richer than red diamonds. It is more colorful, with more expressive colors like pink, dark red, purple-red, and so on. The main component of red color is chromium (Cr), mainly Cr2O3, its content is generally 0.1 to 3%, the highest is 4%. The pigeon blood red ruby is considered the best.

What are orange diamonds?

Orange diamonds owe their color to nitrogen impurities that are incorporated in the diamond lattice during growth deep in the earth. Nitrogen is the most common impurity seen in diamonds due to its abundance in the growth environment deep underground.

Which is more expensive diamond or red diamond?

It is made exclusively from carbon, the same as colorless diamonds, and the red color is created by a rare occurrence in its atomic structure. As such, natural fancy red diamonds end up costing an impressive 1 million dollars per carat, being the most expensive type of colored diamond.