Not brittle nor prone to breakage, they are pretty safe. Their durability and wearability excel most other gemstones (except the actual diamonds, of course). In fact, they are the toughest of all diamond varieties.īlack sapphires have excellent durability as well – ranked #9 on the Mohs scale. Black diamonds have a compact composition that ranks them at ten on the Mohs scale. Black Sapphire Durabilityīoth diamonds and sapphires are highly durable gemstones. Related Read: Can You Test a Sapphire With a Diamond Tester?īlack Diamond vs. The good news is that black sapphires are pretty cheap, especially compared to black diamonds.Most black sapphires originate from Australia.Where Are Natural Black Sapphires Mostly Found? Yes, black sapphires are natural stones, and unlike black diamonds, they are found in abundant quantities.It is a crystalline form of aluminum oxide that comes in many vivid colors (blue, green, pink, yellow) and black. The black color of black sapphires comes from the corundum that it is made of.Black Sapphires: FAQ Why Are Black Sapphires Black? Namely, they are arbitrary gemstones that can cost thousands of dollars. While black sapphire is on the lower end of the price range, black star sapphires can cost a small fortune. Star sapphires are generally rarer stones, reflecting on their price and bringing us to the most important difference between these two black beauties. Even though their names suggest they might be the same, these two gemstones are entirely different.īlack star sapphire is a variety of the so-called “star sapphires.” Star sapphires owe their picturesque name because their crystal structures reflect light in the shape of a star.īlack sapphires are mostly mined in Australia, while black star sapphires can be found in different parts of the world, such as Thailand, West Africa, and India. You can have a black center stone for far less money!īe careful not to confuse black sapphires with black star sapphires. As a result, sapphires are of much lower value, which is good news for those who have to work on a low budget. Compared to their diamond lookalikes, they are deemed second-rate gemstones. Natural black diamonds cost about $3000 per carat.Įven though black sapphires are considered as fancy as black diamonds, they are not nearly as prestigious. The treated stones have an average cost of $300 per carat. Therefore, natural black diamonds are far more expensive than the treated ones.
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