Table of Contents
1. What is a red diamond?
Red diamonds are the most expensive and rarest color diamonds in the world. Even red diamonds are rarer than pink or blue diamonds. In the history of the gem industry, fewer than 30 natural red diamonds have ever been found.
Unlike other colored diamonds, the red pigment of red diamonds is not created from impurities such as nitrogen present in the composition of red diamonds. In fact, the exact cause of the red color of diamonds is still unknown.
Some geologists believe that the red color of diamonds comes from changes in the atomic structure – a phenomenon called plastic deformation – that occur during the diamond’s push to the Earth’s surface. Similar to pink diamonds, extreme pressure affects their molecular structure. With this theory, higher pressure means darker red.
2. Origin of the red diamond?
Since 1985, the Argyle diamond mine in Western Australia has been the source of nearly all of the few red diamonds entering the market. However, the three most famous diamonds in the world come from other sources and from the time when the Argyle diamond mine was untapped. Therefore, Argyle is not the only source of this color diamond.
Not knowing the exact origin as well as the place of origin adds to the mystery of the stone, as it is an extremely rare type of 12 unique colored diamonds.
3. Other types of red diamonds
3.1. Synthetic red diamond (Lab-grown diamond)
Synthetic diamonds are cheaper, environmentally friendly, and do not have conflicts like destroying the ecosystem. Man-made diamonds control to mimic the processes and properties of natural diamonds. Currently, the research laboratories have made many kinds of artificial colored diamonds.
3.2. Red fire diamonds
For the purpose of changing the color or intensity of a diamond’s color, through irradiation, man-made diamonds (which can be white, yellow, or blue) or natural white diamonds are bombarded with neutrons or electrons to change the structure of the crystal lattice, which changes their color. The mixture is then heated to achieve the desired red intensity.
These two grades are much more economical than natural diamonds, but keep in mind that they still cost more than other artificial or irradiated colored diamonds.
4. The price of natural red diamonds and the stones that shook the world
Untreated natural red diamonds often cost around $1 million per carat, making them the most expensive color diamonds.
The world’s most expensive red diamonds have shaken the diamond auction world:
- The Red Hancock Red Diamond, weighing 0.95 CT and priced at $926,000 per carat, is the world’s most expensive red diamond per carat.
- The Moussaieff Red, weighing 5.11 carats, is the largest red diamond in the world.
- DeYoung Red Diamond weighs 5.03 carats for nearly 1,000,000 USD/carat.
4.1. Red Hancock
Hancock Red is cut from rough diamonds found in Brazil. The first owner spent just $13,500 on the gem in 1956. At that time very few people were interested in colored diamonds, and most people never thought of wearing them. Christie’s 1987 auction in New York pushed the value of the stone to eight times its original estimate of $926,000/ct. The price-per-carat was the highest ever paid for any gemstone and made the Red Hancock and colored diamonds all the rage for a while. And the era of colored diamonds began to take shape.
4.2.The Moussaieff Red
- Weight: 5.11 carats (1,022 g)
- Detected: 1989
- Cut by: William Goldberg Diamond Corp.
- Original owner: Ricardo EP Filho
- Owner: Moussaieff Jewelers Ltd.
At 5.11 carats, the Moussaieff Red is the largest known red diamond. The 13.9-carat rough diamond used in the creation of Moussaieff Red was found by a farmer in a mudflat west of Minas Gerais, Brazil. Currently, the stone is owned by Moussaieff Jewelers Ltd and so far, the price of this colored diamond has not been disclosed.
4.3. DeYoung Red
DeYoung Red has a dark brownish-red color that is mistaken for a red garnet. With near-perfect clarity at VS2 and weighing 5.03 carats, the Hancock Red sold at auction for nearly $1,000,000 per carat in 1986. Today, the DeYoung Red is the only red diamond on display. at the Smithsonian, in a box containing some of the largest, rarest, most expensive diamonds in the world.
5. How are red diamonds rated in the 4C diamond standard?
Extremely rare large-size red diamonds. In fact, the largest known stone – Moussaieff Red – weighs only 5.11 carats. All other natural pellets are less than 1ct in size. However, man-made diamonds offer a wider selection and you may find a stone that is slightly larger.
Color and Clarity
With red diamonds, color is the most important criterion. You should pay attention to how it looks in different lighting conditions when buying. For example, they look best in natural light and worst in fluorescent light.
The cut of a diamond can significantly affect the sparkling appearance. For red diamonds, the oval will be the most flattering design. In contrast, circles tend to reduce their luminescence.
Like all diamonds, red diamonds score 10 (hardest) on the Mohs hardness scale.
Read more: Tips choosing feng shui color suitable for five elements
6. Red diamond meanings
In addition to the symbol of an intense and lasting love like the diamond in general, with the color of flaming fire, the red diamond brings the beauty of charm and a strong personality full of confidence. People with red color diamonds have a wise mind, abundant energy, and good luck in life. In medicine, red diamond has the effect of regulating blood pressure, blood circulation, and stabilizing heart rate. A ring or jewelry set with red diamonds is the dream of any diamond enthusiast.
7. Stones similar to red diamonds
Because red diamonds are quite expensive and expensive, we would like to introduce you to some other red stones at a lower price:
Red gemstones with high hardness: Red ruby, Red spinel, Red garnet
Red gemstones with softness:
Which sign is red diamond suitable for?
Similar to Ruby or other red stones, red diamonds are suitable for people with Earth and Fire par. However, due to the rarity and high price, red diamonds consider a symbol of nobility and the wealth of the wearer. Due to the extremely hard carbon structure, red diamonds can use to make any kind of jewelry for everyday wear. Jewelry with red diamonds design with as few lugs as possible to show off the beauty of the diamond.
8. Frequently asked questions about red diamonds
Why are red diamonds so rare?
Red diamonds are rare because it is difficult for diamonds to form this red color in nature. Unlike other colored diamonds whose color is formed from impurities, red diamonds are formed entirely from carbon. The diamond’s red color is caused by a rare chance in the atomic structure, also known as the phenomenon of plastic deformation.
How many red diamonds have been found?
A total of less than 30 natural red diamonds have been found so far (2020).
Are Red Diamonds Ruby?
Red Diamond and Ruby are two completely different gemstones. Red diamonds formed from carbon with a hardness on the Mohs scale scoring 10. Ruby, meanwhile, derives from the mineral corundum, with a hardness rating of 9 on the Mohs hardness scale. The most expensive and rarest member of the diamond family
Red diamonds are the most expensive and rarest color diamonds in the world, even red diamonds are rarer than pink or blue diamonds. In the history of the gem industry, fewer than 30 natural red diamonds have ever been found.
Read more: What gemstone are you
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