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Diamonds
Diamonds are the hardest mineral on earth. Ask questions about famous diamonds, mining, production and buying.
4,145 Questions
Loads of temperature changes in the upper mantle forces the carbon atoms to go deeper where it melts and finally becomes new rock, when the temperature reduces. If other conditions like pressure and chemistry is right then the carbon atoms in the melting crustal rock bond to build diamond crystals.
How do you find out if an amatory diamond is a real diamond?
I have never heard of an Amatory diamond before. After an internet search, the only reference that I found to it was on ebay. It may be a trade name for another type of stone. There are many misnomers in the gem trade. I would have a GIA jeweler appraise the "diamond".
How do you tell if a diamond is real?
If you shine it in the sun and it shines very bright it is real
Another Answer
Take your diamond to a local jeweler who can use a probe to determine whether or not your diamond is a real diamond.
What does 925 mean on the back of a gold bracelet?
A hallmark is an official mark (or a series of marks) made in metal that indicates the fineness of the metal and the manufacturer's mark. For example, a hallmark of 925 indicates 925 parts of gold per 1000 weight. Other hallmarks indicate the maker of the piece and sometimes the year of manufacture. In many countries (like Britain) it is illegal to hallmark metal incorrectly; some countries are notoriously lax in their enforcement of hallmark honesty.
Yes, diamonds have a high refractive index which causes light to reflect internally within the diamond, creating a sparkling effect known as brilliance. This property is one of the reasons why diamonds are highly valued in jewelry.
What is the difference between certified and non-certified diamonds?
A certified diamond is simply one that has been graded by a company whose job is to certify diamonds. A grade then is given to each and every stone according to the four C's. After they grade each stone it receives a certificate that it was graded and the product your purchasing is described gemologically.
But, a non certified diamond is not different from a certified one, except a piece of paper describing it, and your trust has to be in the hand of the salesperson who is selling it to you the consumer.
By law if a diamond has been altered, the store selling these items have to disclose that it is selling altered diamonds. So be a conscientious shopper and do your homework on diamonds, before you set out to purchase a non-certified stone.
Finally, In an effort to verify that diamonds are not 'blood diamonds' -- diamonds gathered as a criminal activity -- there are certificates that purport to show the provenance of a gem, to support the claim that the diamond has been legally mined, cut, polished and traded as a legal gemstone.
How do you determine if a diamond is real?
One old-time method of determining if a diamond is real is by trying to scratch glass, such as a mirror, with it; if the gem scratches the glass without being damaged itself, it was considered to be a diamond. This method, though, may fall short with modern materials that are harder than glass, but softer than diamond.
Jewelers and pawn shops can purchase a device with a single needle that, when placed on the diamond, can determine whether a diamond is real. I don't know how this device works, other than the needle gets hot quickly.
Another Answer
A diamond conducts heat, and the probe determines whether or not the stone is a diamond. Some more sophisticated probes can also determine the difference between diamond and moissanite, a crystallized silicon carbide that closely resembles diamond and often fools novice jewelers.
How can you tell whether a diamond is real?
Ask a Jeweler
Assuming the diamond is yours*, the traditional way is to try to cut glass with it, although this is not recommended, as it may damage the setting. The easiest way is simply to walk into any jewelry store that buys jewelry (many do) and tell them you're thinking of selling it. They will pull out a jeweler's loup, examine the stone and size it in about two minutes. If the stone is a fake, they'll tell you instantly. Just be aware that if the stone is genuine, the price they quote may be about half what you originally paid for the new ring.
Pay for a Certificate
Take your diamond to a certified gemologist and pay for a certificate that will document the diamond's weight, cut, clarity and colour.
Use a thermal probe
Many jewelry stores and almost all pawn shops have a thermal probe to test diamonds to determine if they are real. The probes are generally a bit expensive (a few hundred $US), and are difficult to fool.
Glass Test Doesn't Cut it
Tests like 'scratching glass' are very old tests derived from when many imitation diamonds were in fact made from glass. Most modern diamond simulants including CZ, YAG, or moisanite can readily cut glass so this test no longer provides any useful information.
Real or Man-Made
Identification of synthetic diamond (man-made diamond) from real diamond is almost impossible with hand-held tools such as thermal probes. If you have to know, you can get your stone tested by a reputable gemological lab.
* If you're speculating about someone else's ring, it's difficult to impossible to be sure. Cubic Zirconias and other fakes look so convincing that people couldn't tell if Paris Hilton's megawatt stone was real or not. I'd try to judge by the person's general socioeconomic status. Someone who buys their clothes at Walmart is unlikely to be sporting a genuine five-carat stone. Celebrities and the wealthy DO wear fakes from time to time, especially to prevent heavy loss if theft occurs when traveling.
Test your stone with thermal probe.
What continent has most of the worlds gold and diamonds?
Africa has the largest reserves of gold and diamonds in the world. Major producers include South Africa, Ghana, and the Democratic Republic of Congo for gold, and Botswana, South Africa, and Angola for diamonds.
Where are diamonds in the world map?
Diamonds are found in various countries around the world, with major producers including Russia, Botswana, Canada, Australia, and the Democratic Republic of Congo. These countries have significant diamond mines that contribute to the global diamond market.
What states and countries do diamonds occur?
Diamonds are found in various countries around the world, with significant production in Russia, Botswana, Canada, and Australia. In the United States, diamonds are primarily mined in Arkansas and in western states like Colorado. Additionally, diamonds are also found in countries like South Africa, Angola, and Namibia.
Where are blood diamonds found in Africa?
The term blood diamonds describes how raw diamonds are gathered.
Blood diamonds could be found on every continent on earth, except Europe and Antarctica, when they are gathered by humans working at gunpoint or under the threat of death or dismemberment/ disfigurement, for the benefit of terrorists or those who use diamonds as funding sources for mayhem, civil war and other inhumane actions against humans.
Where are diamonds located today?
Diamonds are found in various countries around the world, including Russia, Botswana, Canada, Australia, and South Africa. They are typically found in kimberlite pipes, which are vertical columns of volcanic rock that bring diamonds closer to the Earth's surface. Diamond mining can also take place in alluvial deposits, where diamonds have been carried by rivers and deposited in sedimentary layers.
Which African countries are rich in diamonds as a natural resource?
Some African countries rich in diamonds as a natural resource include Botswana, South Africa, Angola, and the Democratic Republic of Congo. These countries have significant diamond reserves and play a major role in the global diamond industry.
Which continent contains the world's largest supplier of diamonds?
Africa is the continent that contains the largest supplier of diamonds in the world, with countries like Botswana, South Africa, and Angola being major producers.
Which country do diamonds come from?
Diamonds are mined in various countries around the world, with major producers including Russia, Botswana, Canada, Australia, and the Democratic Republic of the Congo. Additionally, countries like South Africa, Namibia, and Angola are also significant contributors to the global diamond supply.
Where are most of the blood diamonds mined?
Most blood diamonds are mined in Africa, particularly in countries like Sierra Leone, Angola, and the Democratic Republic of the Congo. These diamonds are often used to finance rebel groups and fuel conflicts in these regions.
Where is a major diamond producing country?
A major diamond producing country is Botswana, which is home to some of the world's largest diamond mines. The country's diamond industry plays a significant role in its economy, with diamonds accounting for a substantial portion of its export revenue.
What country has the largest diamond reserves?
Russia has the largest diamond reserves in the world, with vast deposits located mostly in Siberia. The country is a major producer of gem-quality and industrial diamonds, accounting for a significant portion of global diamond production.
Where would you find diamond mines?
Diamond mines are typically found in countries with rich deposits of diamond-bearing rock, such as Botswana, Russia, Canada, and Australia. In these countries, diamond mining operations extract diamonds from deep underground or from alluvial deposits in river beds.
In what part of the world can you find a diamond?
Diamonds are the hardest natural substance. They are found deep in the Earth's crust.. Australian and African are the world's largest source of rough diamonds.
Diamonds are also found in Brazil, Canada, India, Russia and even USA -- in Arkansas.
Which country has the largest diamond deposits?
Russia has the largest diamond deposits in the world, with significant reserves located in Siberia. The region is home to the famous diamond mines such as Mirny, Udachny, and Jubilee. These mines contribute significantly to the global diamond supply.
Where are diamonds made what country?
Diamonds are not made in a specific country. They are formed deep within the Earth's mantle under high pressure and temperature conditions. They are then brought to the surface through volcanic eruptions and can be found in various countries around the world, including Russia, Botswana, Canada, and Australia.
In which states can you find diamonds?
In the United States, the only state where you can find diamonds is Arkansas.
